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  • Progressive External Ophthalmoplegia With Mitochondrial Dna Deletions, Autosomal Recessive 4 OMIM
    Clinical Features Ronchi et al. (2012) reported 6 patients, including 2 sibs, with adult-onset mitochondrial myopathy. Three patients and the 2 sibs presented between 40 and 69 years of age with slowly progressive external ophthalmoplegia (in 2 patients) and/or limb muscle weakness. ... She was then well until age 20 years, when she experienced 2 episodes of acute mitochondrial myopathy with proximal muscle weakness, increased serum creatine kinase, and rhabdomyolysis possibly triggered by infection. ... INHERITANCE - Autosomal recessive HEAD & NECK Ears - Sensorineural deafness (family A) Eyes - Progressive external ophthalmoplegia (in most patients) - Ptosis (in most patients) ABDOMEN Gastrointestinal - Dysphagia (in some patients) MUSCLE, SOFT TISSUES - Mitochondrial myopathy - Muscle weakness, proximal - Weakness primarily affects lower limbs - Upper limbs may show muscle weakness - Muscle weakness, distal (family A) - Muscle atrophy - Muscle biopsy shows fiber size variability - Ragged-red fibers - COX-negative fibers - MtDNA deletions - Myopathic changes seen on EMG NEUROLOGIC Central Nervous System - Cognitive impairment (family A) - Cortical atrophy (family A) Peripheral Nervous System - Axonal neuropathy (family A) - Hyporeflexia (family A) VOICE - Dysphonia LABORATORY ABNORMALITIES - Increased serum creatine kinase, mild - Increased serum lactate, mild MISCELLANEOUS - Onset in adulthood - Variable presentation and phenotype MOLECULAR BASIS - Caused by mutation in the deoxyguanosine kinase gene (DGUOK, 601465.0008 ) ▲ Close
    DGUOK
    • Adult-Onset Multiple Mitochondrial Dna Deletion Syndrome Due To Dguok Deficiency Orphanet
      Clinical manifestations include progressive external ophthalmoplegia, mitochondrial myopathy, recurrent rhabdomyolysis, lower motor neuron disease, mild cognitive impairment, sensory axonal neuropathy, optic atrophy, ataxia, hypogonadism and/or parkinsonism.
  • Hypotonia Wikipedia
    Phelan–McDermid syndrome 3-Methylcrotonyl-CoA carboxylase deficiency [4] Achondroplasia Aicardi syndrome Autism spectrum disorders [5] Canavan disease Centronuclear myopathy (including myotubular myopathy) Central core disease CHARGE syndrome Cohen syndrome Costello syndrome Dejerine–Sottas disease (HMSN Type III) Down syndrome a.k.a. trisomy 21 — most common Ehlers–Danlos syndrome Familial dysautonomia (Riley–Day syndrome) FG syndrome Fragile X syndrome Griscelli syndrome Type 1 (Elejalde syndrome) Disorder Growth Hormone Disorder Pituitary Dwarfism Holocarboxylase synthetase deficiency / Multiple carboxylase deficiency [6] Krabbe disease Leigh's disease Lesch–Nyhan syndrome [7] Marfan's syndrome Menkes syndrome Methylmalonic acidemia Myotonic dystrophy Niemann–Pick disease Nonketotic hyperglycinemia (NKH) or Glycine encephalopathy (GCE) Noonan syndrome Neurofibromatosis Patau syndrome a.k.a. trisomy 13 Prader–Willi syndrome Rett syndrome Septo-optic dysplasia (de Morsier syndrome) Snyder–Robinson syndrome (SRS) Spinal muscular atrophy (SMA) Succinic semialdehyde dehydrogenase deficiency (SSADH) Tay–Sachs disease Werdnig–Hoffmann syndrome – Spinal muscular atrophy with congenital degeneration of anterior horns of spinal cord. ... External links [ edit ] hypotonia at NINDS Hypotonia – Medline Plus Classification D ICD - 10 : P94.2 ICD - 9-CM : 358 , 781.3 MeSH : D009123 DiseasesDB : 21417 External resources MedlinePlus : 003298 v t e Diseases of muscle , neuromuscular junction , and neuromuscular disease Neuromuscular- junction disease autoimmune Myasthenia gravis Lambert–Eaton myasthenic syndrome Neuromyotonia Myopathy Muscular dystrophy ( DAPC ) AD Limb-girdle muscular dystrophy 1 Oculopharyngeal Facioscapulohumeral Myotonic Distal (most) AR Calpainopathy Limb-girdle muscular dystrophy 2 Congenital Fukuyama Ullrich Walker–Warburg XR dystrophin Becker's Duchenne Emery–Dreifuss Other structural collagen disease Bethlem myopathy PTP disease X-linked MTM adaptor protein disease BIN1-linked centronuclear myopathy cytoskeleton disease Nemaline myopathy Zaspopathy Channelopathy Myotonia Myotonia congenita Thomsen disease Neuromyotonia / Isaacs syndrome Paramyotonia congenita Periodic paralysis Hypokalemic Thyrotoxic Hyperkalemic Other Central core disease Mitochondrial myopathy MELAS MERRF KSS PEO General Inflammatory myopathy Congenital myopathy v t e Conditions originating in the perinatal period / fetal disease Maternal factors complicating pregnancy, labour or delivery placenta Placenta praevia Placental insufficiency Twin-to-twin transfusion syndrome chorion / amnion Chorioamnionitis umbilical cord Umbilical cord prolapse Nuchal cord Single umbilical artery presentation Breech birth Asynclitism Shoulder presentation Growth Small for gestational age / Large for gestational age Preterm birth / Postterm pregnancy Intrauterine growth restriction Birth trauma scalp Cephalohematoma Chignon Caput succedaneum Subgaleal hemorrhage Brachial plexus injury Erb's palsy Klumpke paralysis Affected systems Respiratory Intrauterine hypoxia Infant respiratory distress syndrome Transient tachypnea of the newborn Meconium aspiration syndrome Pleural disease Pneumothorax Pneumomediastinum Wilson–Mikity syndrome Bronchopulmonary dysplasia Cardiovascular Pneumopericardium Persistent fetal circulation Bleeding and hematologic disease Vitamin K deficiency bleeding HDN ABO Anti-Kell Rh c Rh D Rh E Hydrops fetalis Hyperbilirubinemia Kernicterus Neonatal jaundice Velamentous cord insertion Intraventricular hemorrhage Germinal matrix hemorrhage Anemia of prematurity Gastrointestinal Ileus Necrotizing enterocolitis Meconium peritonitis Integument and thermoregulation Erythema toxicum Sclerema neonatorum Nervous system Perinatal asphyxia Periventricular leukomalacia Musculoskeletal Gray baby syndrome muscle tone Congenital hypertonia Congenital hypotonia Infections Vertically transmitted infection Neonatal infection rubella herpes simplex mycoplasma hominis ureaplasma urealyticum Omphalitis Neonatal sepsis Group B streptococcal infection Neonatal conjunctivitis Other Miscarriage Perinatal mortality Stillbirth Infant mortality Neonatal withdrawal
    NSD2, MSL3, RRM2B, MECP2, LETM1, KANSL1, NUDT2, PPP2CA, PAX7, INTS1, ASCC1, LSS, P4HTM, DDC, CHST14, RALGAPA1, ABAT, SLC25A3, MPZ, CDKL5, PREPL, GLDC, NDUFS7, AP4B1-AS1, SYNE2, VPS13A, KIAA0556, CAMTA1, SATB2, RPGRIP1L, CLASP1, SYNE1, SPECC1L, ADNP, MED13L, KANK1, MLYCD, CRB1, ETHE1, KAT6B, RBFOX2, ATP6V0A2, PIGN, LEMD3, KCNE5, AIPL1, FLRT3, PMPCA, CIC, CIZ1, PHF8, RAI1, ZMYND11, WDR4, SRCAP, PNPLA6, MAGED2, TTN-AS1, TLK2, B4GAT1, WDR45, SRD5A3-AS1, AP4S1, PLPBP, B4GALT7, MRAS, FASTKD2, FAN1, RAB3GAP1, RAB18, CLUAP1, EMC1, ZNF423, IQSEC2, POGZ, PLXND1, RAB3GAP2, NDUFAF3, NIPBL, KMT5B, ALG6, POMT2, PET100, DUOX2, TPRKB, CRPPA, EXOSC3, YARS2, NDUFA13, MLXIPL, SEPSECS, NDUFAF1, ZDHHC9, CTCF, TACO1, TMEM216, TIMMDC1, KCNK9, WAC, MBTPS2, TMEM138, NBAS, LIPT1, KLF13, PTRH2, ATP8A2, GMPPA, GMPPB, ANKRD11, NDUFAF4, SIN3A, SH2B1, PARS2, MMACHC, NSMF, SETBP1, KIFBP, RNU4ATAC, B3GAT3, FBXL4, HIBCH, VPS33B, SACS, SLC17A5, TBL2, RPS6KC1, MLH3, ACAD8, B9D1, BBS9, AHDC1, MMADHC, CCDC22, FLVCR1, SETD2, AP4B1, POMT1, MAP3K20, HESX1, OFD1, PPM1D, PEX3, CNTNAP1, KCNAB2, IKBKG, ELP1, CDK13, PEX11B, SUCLG1, SUCLA2, DPM1, FGF17, NPC2, SYNGAP1, ST3GAL5, EIF2B4, EIF2B3, EIF2B2, EIF2B5, AP1S2, PHOX2B, BAZ1B, SEMA5A, SLC7A7, PIGQ, CUL3, CUL4B, GNPAT, PLA2G6, NELFA, YWHAE, ZIC1, PCGF2, BSND, MOGS, TUBA1A, PAX8, BRPF1, ALDH5A1, KAT6A, LHX3, SHOC2, KMT2D, AAAS, HMGA2, DGCR6, LZTR1, ESS2, USP9X, RBM10, SMC1A, LAGE3, ARID1A, COLQ, TBX19, SMC3, BUB3, KIAA0586, ZEB2, SEC24D, FIG4, WASHC5, AMMECR1, MED12, DGCR2, SCO2, AKT3, FARSB, LRPPRC, AASS, ALG3, CD96, COQ7, HNRNPR, APC2, LAMC3, RXYLT1, SEMA3A, TUBB4A, PIBF1, COG5, ZBTB18, DEAF1, PTDSS1, TMEM94, HACD1, HDAC4, LARGE1, LRAT, ADGRG1, TRIP13, TRIP12, SNAP29, LONP1, COG1, HS6ST1, PEX16, EIF2AK3, CHST3, PIGL, TBX4, ADAMTS2, MPDU1, GTF2IRD1, SEC24C, ZNF592, IQCB1, CEP57, RUBCN, SEMA3E, CEP104, IFT140, INPP5K, BCL11A, HCN1, CEP41, RFT1, NDUFAF2, COG7, MTSS2, GDF6, STRADA, GORAB, TIMM50, PGAP3, TRMT10A, TBCK, FOXP2, PRRT2, EARS2, STX1B, FDX2, TP53RK, NACC1, MYMK, SLC46A1, SLC52A3, TOE1, CCDC151, COX20, ANTXR2, CYP2R1, ATPAF2, PKDCC, TMEM67, UBE3B, PUS1, WNT10A, SLC19A3, ASXL3, SLC2A10, CLPB, TRIM8, SPRY4, LAS1L, TMEM47, TRAPPC9, ADGRV1, POMK, PHF6, COA8, COG8, KISS1R, KDM2B, ORAI1, POMGNT2, WDR73, COX14, USP45, ATCAY, LHX4, MTFMT, METTL23, NUBPL, IYD, TUBB, HYLS1, HEPACAM, JMJD1C, STAC3, EBF3, FEZF1, BRWD3, NALCN, ASPM, MYO1H, CHAMP1, SLC13A5, CANT1, LAMA1, WDR62, CCDC141, DOK7, MMAB, FLG-AS1, SLC6A19, COA6, NEXMIF, RD3, ZFP57, TUBB2B, ARL13B, UBR1, ARID2, ASXL1, SPNS2, WDR81, NDUFA11, B3GALT6, DMBX1, TBC1D20, PROKR2, DIS3L2, NDUFAF6, AMER1, PTCHD1, SLC34A3, A2ML1, RDH12, B3GALNT2, SIK1, CKAP2L, CEP120, VPS13B, FAM120AOS, SPRED1, LGI4, MMAA, LCA5, ARX, WDR26, ARMC9, NANS, ALG1, PACS1, WDR11, NUP133, AGK, NGLY1, MBD5, LMBRD1, SPATA7, TMEM126B, HDAC8, ZC4H2, NDUFA12, INPP5E, PRR12, TWNK, MCCC1, MRPS22, COQ8A, HYMAI, RPGRIP1, C12orf4, NUP107, THOC2, SELENON, MCOLN1, THAP11, PEX26, PIGV, OSGEP, CHD7, RIN2, D2HGDH, RETREG1, RNF216, DGCR8, BDNF-AS, TMCO1, CLIP2, MAGEL2, NR2F1-AS1, DUOXA2, PDP1, IL17RD, AHI1, MKS1, TMEM70, OXSM, RMND1, FKBP14, DARS2, SETD5, ASXL2, SLC35C1, FOXRED1, POMGNT1, TBC1D24, ARID1B, CEP290, TCTN1, TMEM237, UPF3B, WNK1, CPLANE1, ALG12, NDUFAF5, FKRP, GNPTAB, TMEM43, THOC6, SLC52A2, TMEM231, SRD5A3, ARHGAP31, TBL1XR1, BBS10, SLC25A22, ALG9, EHMT1, CAMKMT, CSPP1, TCTN2, ALG13, L2HGDH, CENPT, NAA15, BCL11B, NMNAT1, SIL1, LMBR1, HECW2, PCDH19, HACE1, CC2D2A, ALS2, CHD8, ZSWIM6, PRX, EPG5, WDR19, PRUNE1, KMT2C, TRPV4, SLC25A19, PROK2, TRAPPC11, PIEZO2, ZNF335, PRDM16, MCCC2, IFIH1, IRF2BPL, SEMA4A, STRA6, NSD1, NDUFB11, UFD1, VRK1, GAMT, FLT4, FMR1, MTOR, FUCA1, GAA, GABRA1, GABRB3, GABRD, GABRG2, GALC, GALE, GALNS, GATA1, FLG, GBA, GBE1, GCDH, GCK, GCSH, GDI1, GDNF, B4GALT1, GJA1, GJA8, GJB1, GPC3, FLII, FOXE1, GLI2, ETFB, EIF2B1, EIF2S3, ELN, EMD, EP300, CLN8, ERCC1, ERCC2, ERCC5, ERCC6, ERF, ETFA, ETFDH, FOXG1, EXT1, EZH2, ACSL4, FBN1, FBP1, FKTN, GPC4, FGF8, FGFR1, FGFR3, FH, FHL1, GLE1, GM2A, VLDLR, KCNB1, IDUA, IMPDH1, INS, INPPL1, PDX1, ITGA3, ITGA7, ITGB6, ITPR1, ANOS1, KARS1, KCNA2, KCNC3, HSPD1, KCNH1, KCNJ10, KCNJ11, KCNJ13, KCNQ2, KCNQ3, KIT, KIF11, KIF22, KRAS, LAMA2, LAMB2, IDH2, HRAS, GNAO1, HSD17B10, GNB1, GP1BB, GRID2, GRIN1, GRIN2B, GRM7, MSH6, GTF2I, GUSB, GUCY2D, H1-4, H3-3A, HADHA, HPRT1, HADHB, HARS1, HBA1, HBA2, HBB, HEXA, HLCS, HMGCL, HNRNPH2, HNRNPK, HNRNPU, HPD, EGR2, EFNB1, EEF1A2, BMP2, ATP2B3, ALDH7A1, ATP6V1A, ATP6AP1, ATP7A, ATRX, KIF1A, BBS2, BCKDHA, BCKDHB, BCS1L, BDNF, BMPR1A, RERE, BRAF, BRCA2, BTD, BUB1, BUB1B, CA8, CACNA1A, CACNA1C, CAMK2A, CAMK2B, CASR, CDKN1C, ATP1A3, ATIC, EDNRB, AGA, ACADM, ACADS, ACADSB, ACADVL, ACAT1, ACOX1, ACP2, ACTA1, ACTB, ACY1, ADCY5, ADCY6, AHSG, ASPA, ALAD, ALDH3A2, ALPL, AMT, ANK3, SLC25A4, FAS, AR, ARL3, ARSA, ARVCF, ASCL1, CFL2, CHRNA1, CHRNA7, DNM1, CYP27B1, DAG1, DBH, DBT, DCC, DCX, DDX3X, DES, DGUOK, DHCR7, DLG3, DMD, DMPK, CHRNB2, DNAH5, DYNC1H1, DNMT3A, DOCK3, DPAGT1, DPYD, SLC26A2, DUSP6, DYRK1A, TOR1A, ECHS1, EDN3, CTNND2, CTNNB1, NKX2-5, CSTB, CLCNKA, CLCNKB, CLTC, COL1A1, COL1A2, COL2A1, COL4A1, COL4A2, COL5A1, COL5A2, COL6A2, COL6A3, COL12A1, COMT, COX6B1, COX8A, COX10, COX15, CPS1, CPT1A, CPT2, CRAT, CREBBP, CRX, CRYBA1, LIFR, LIMK1, LMNA, SCN9A, RRAS, RREB1, RYR1, MSMO1, SC5D, ATXN1, ATXN2, SCN1A, SCN1B, SCN2A, SCN4A, SCN8A, SCO1, RPS6KA3, SDHA, SET, SIM1, SIX3, SKI, SLC2A1, SLC3A1, SLC5A5, SLC6A1, SLC6A8, SLC16A2, SLC18A2, RPS20, RPL10, PSAP, RAD21, PTCH1, PTEN, PTPN11, PTS, PURA, PEX19, PEX2, PEX5, PYCR1, ALDH18A1, QDPR, RAC1, RAD51, RPE65, RAF1, RAP1A, RAP1B, RARB, RASA2, RB1, DPF2, RET, REV3L, RFC2, RIT1, RMRP, SLC22A5, SNAI2, SMARCA4, TPO, NR2F1, TG, TGFB2, TGFBR2, THRA, THRB, NKX2-1, TK2, TNXB, TPI1, TPM2, TPM3, TRPS1, SMARCB1, TSHB, TSHR, TTN, TULP1, HIRA, UBA1, UBE2A, UBE3A, ABCB7, SLC35A2, KDM6A, VDR, TCF20, TCF4, TBX1, TACR3, SMARCC2, SMARCE1, SMN1, SMN2, SMPD1, SMS, SON, SOS1, SOS2, SOX2, SOX4, SOX5, SOX9, SOX10, SOX11, SPARC, SPAST, SPG7, SPTBN2, STAT3, STIM1, STXBP1, ABCC8, SURF1, SYT1, LRP5, PSMD12, RELN, NDUFA4, TRNS2, TRNW, TRIM37, MMUT, MVK, MYBPC3, MYL2, MYO5A, NAGA, NDP, NDUFA1, NDUFA2, NDUFA6, TRNQ, NEB, NDUFA9, NDUFA10, NDUFB3, NDUFB9, NDUFB10, NDUFS1, NDUFS2, NDUFS3, NDUFV1, NDUFS4, NDUFS6, TRNS1, TRNN, PRPS1, COX1, LTC4S, EPCAM, MAN2B1, MEF2C, MIPEP, MLH1, KMT2A, MLLT1, MN1, MPI, MSH2, ATP8, COX2, TRNL1, COX3, MTM1, ND1, ND2, ND3, ND4, ND5, ND6, MTTP, MTRR, TRNF, TRNH, NDUFS8, NDUFV2, NEU1, PMP22, PEX10, PEX12, PEX13, PEX14, PHKG2, PHYH, PIK3CA, PLAGL1, PLCB4, PLOD1, PLP1, PMM2, PMS1, NF1, PMS2, POLE, POLG, POU1F1, PPM1B, PPP2R1A, PPP2R5D, PPT1, MAP2K1, MAP2K2, PRODH, PROP1, PEX7, PEX6, PEX1, SLC26A4, NFIX, TONSL, CNOT3, NOTCH1, NOTCH3, PNP, NPC1, NPHP1, NRAS, OCA2, OGDH, OPA1, OPHN1, SIX6, OTX2, P4HB, PAFAH1B1, PRDX1, PAH, PAX6, PC, PCBD1, PCYT1A, PDHA1, EMC1-AS1, ATXN7, ABL1
  • Neuromyotonia Wikipedia
    External links [ edit ] Classification D ICD - 10 : G71.1 ICD - 9-CM : 333.90 MeSH : D020386 DiseasesDB : 31818 External resources Orphanet : 11619 v t e Diseases of muscle , neuromuscular junction , and neuromuscular disease Neuromuscular- junction disease autoimmune Myasthenia gravis Lambert–Eaton myasthenic syndrome Neuromyotonia Myopathy Muscular dystrophy ( DAPC ) AD Limb-girdle muscular dystrophy 1 Oculopharyngeal Facioscapulohumeral Myotonic Distal (most) AR Calpainopathy Limb-girdle muscular dystrophy 2 Congenital Fukuyama Ullrich Walker–Warburg XR dystrophin Becker's Duchenne Emery–Dreifuss Other structural collagen disease Bethlem myopathy PTP disease X-linked MTM adaptor protein disease BIN1-linked centronuclear myopathy cytoskeleton disease Nemaline myopathy Zaspopathy Channelopathy Myotonia Myotonia congenita Thomsen disease Neuromyotonia / Isaacs syndrome Paramyotonia congenita Periodic paralysis Hypokalemic Thyrotoxic Hyperkalemic Other Central core disease Mitochondrial myopathy MELAS MERRF KSS PEO General Inflammatory myopathy Congenital myopathy v t e Diseases of ion channels Calcium channel Voltage-gated CACNA1A Familial hemiplegic migraine 1 Episodic ataxia 2 Spinocerebellar ataxia type-6 CACNA1C Timothy syndrome Brugada syndrome 3 Long QT syndrome 8 CACNA1F Ocular albinism 2 CSNB2A CACNA1S Hypokalemic periodic paralysis 1 Thyrotoxic periodic paralysis 1 CACNB2 Brugada syndrome 4 Ligand gated RYR1 Malignant hyperthermia Central core disease RYR2 CPVT1 ARVD2 Sodium channel Voltage-gated SCN1A Familial hemiplegic migraine 3 GEFS+ 2 Febrile seizure 3A SCN1B Brugada syndrome 6 GEFS+ 1 SCN4A Hypokalemic periodic paralysis 2 Hyperkalemic periodic paralysis Paramyotonia congenita Potassium-aggravated myotonia SCN4B Long QT syndrome 10 SCN5A Brugada syndrome 1 Long QT syndrome 3 SCN9A Erythromelalgia Febrile seizure 3B Paroxysmal extreme pain disorder Congenital insensitivity to pain Constitutively active SCNN1B / SCNN1G Liddle's syndrome SCNN1A / SCNN1B / SCNN1G Pseudohypoaldosteronism 1AR Potassium channel Voltage-gated KCNA1 Episodic ataxia 1 KCNA5 Familial atrial fibrillation 7 KCNC3 Spinocerebellar ataxia type-13 KCNE1 Jervell and Lange-Nielsen syndrome Long QT syndrome 5 KCNE2 Long QT syndrome 6 KCNE3 Brugada syndrome 5 KCNH2 Short QT syndrome KCNQ1 Jervell and Lange-Nielsen syndrome Romano–Ward syndrome Short QT syndrome Long QT syndrome 1 Familial atrial fibrillation 3 KCNQ2 BFNS1 Inward-rectifier KCNJ1 Bartter syndrome 2 KCNJ2 Andersen–Tawil syndrome Long QT syndrome 7 Short QT syndrome KCNJ11 TNDM3 KCNJ18 Thyrotoxic periodic paralysis 2 Chloride channel CFTR Cystic fibrosis Congenital absence of the vas deferens CLCN1 Thomsen disease Myotonia congenita CLCN5 Dent's disease CLCN7 Osteopetrosis A2, B4 BEST1 Vitelliform macular dystrophy CLCNKB Bartter syndrome 3 TRP channel TRPC6 FSGS2 TRPML1 Mucolipidosis type IV Connexin GJA1 Oculodentodigital dysplasia Hallermann–Streiff syndrome Hypoplastic left heart syndrome GJB1 Charcot–Marie–Tooth disease X1 GJB2 Keratitis–ichthyosis–deafness syndrome Ichthyosis hystrix Bart–Pumphrey syndrome Vohwinkel syndrome ) GJB3 / GJB4 Erythrokeratodermia variabilis Progressive symmetric erythrokeratodermia GJB6 Clouston's hidrotic ectodermal dysplasia Porin AQP2 Nephrogenic diabetes insipidus 2 See also: ion channels
    HINT1, KCNA1, CNTNAP2, LGI1, NTN1, ACHE, DCC, PIK3C2A, PMP22, CNTN2, THM, UNC5A, CCDC125
    • Neuromyotonia And Axonal Neuropathy, Autosomal Recessive OMIM
      A number sign (#) is used with this entry because autosomal recessive neuromyotonia and axonal neuropathy (NMAN) is caused by homozygous or compound heterozygous mutation in the HINT1 gene (601314) on chromosome 5q23. Description NMAN is an autosomal recessive neurologic disorder characterized by onset in the first or second decade of a peripheral axonal neuropathy predominantly affecting motor more than sensory nerves. The axonal neuropathy is reminiscent of Charcot-Marie-Tooth disease type 2 (see, e.g., CMT2A1, 118210) and distal hereditary motor neuropathy (see, e.g., HMN1, 182960). Individuals with NMAN also have delayed muscle relaxation and action myotonia associated with neuromyotonic discharges on needle EMG resulting from hyperexcitability of the peripheral nerves (summary by Zimon et al., 2012). Clinical Features Hahn et al. (1991) reported a Canadian brother and sister of Chinese origin with childhood-onset neuromyotonia and progressive motor neuropathy.
    • Autosomal Recessive Axonal Neuropathy With Neuromyotonia MedlinePlus
      Autosomal recessive axonal neuropathy with neuromyotonia is a disorder that affects the peripheral nerves. Peripheral nerves connect the brain and spinal cord to muscles and to sensory cells that detect sensations such as touch, pain, heat, and sound. Axonal neuropathy, a characteristic feature of this condition, is caused by damage to a particular part of peripheral nerves called axons, which are the extensions of nerve cells (neurons) that transmit nerve impulses. In people with autosomal recessive axonal neuropathy with neuromyotonia, the damage primarily causes progressive weakness and wasting (atrophy) of muscles in the feet, legs, and hands. Muscle weakness may be especially apparent during exercise (exercise intolerance) and can lead to an unusual walking style (gait), frequent falls, and joint deformities (contractures) in the hands and feet.
    • Isaacs' Syndrome GARD
      Isaacs' syndrome is a rare neuromuscular disorder that is characterized by progressive muscle stiffness; continuously contracting or twitching muscles (myokymia); and diminished reflexes. Signs and symptoms generally develop between ages 15 and 60, with most people experiencing symptoms before age 40. Although the exact underlying cause is unknown, there appear to be hereditary and acquired (non-inherited) forms of the condition. Treatment is based on the signs and symptoms present in each person.
    • Autosomal Recessive Axonal Neuropathy With Neuromyotonia Orphanet
      A rare peripheral neuropathy characterized by slowly progressive axonal, motor greater than sensory, polyneuropathy combined with neuromytonia (including spontaneous muscular activity at rest (myokymia), impaired muscle relaxation (pseudomyotonia), and contractures of hands and feet) and neuromyotonic or myokymic discharges on needle EMG. It presents with distal lower limb weakness with gait impairment, muscle stiffness, fasciculations and cramps in hands and legs worsened by cold, decreased to absent tendon reflexes, intrinsic hand muscle atrophy and, variably, mild distal sensory impairment.
    • Isaac Syndrome Orphanet
      Isaac's syndrome is an immune-mediated peripheral motor neuron disorder characterized by continuous muscle fiber activity at rest resulting in muscle stiffness, cramps, myokymia, and pseudomyotonia. Epidemiology Prevalence is unknown but 100 -200 cases have been reported so far. Clinical description The age of disease onset ranges from infancy to the sixth decade, with a peak incidence between forty and sixty. Isaac's syndrome is characterized by continuous muscle fiber activity at rest (even during sleep), resulting in cramps, muscle stiffness and weakness, pseudomyotonia, muscle twitching (visible myokymia), and fasciculation. Hyperhidrosis, muscle hypertrophy and hyporeflexia are also observed.
  • Ehlers-Danlos Syndrome, Kyphoscoliotic Type, 2 OMIM
    Description Ehlers-Danlos syndrome kyphoscoliotic type 2 is characterized by severe muscle hypotonia at birth, progressive scoliosis, joint hypermobility, hyperelastic skin, myopathy, sensorineural hearing impairment, and normal pyridinoline excretion in urine (Baumann et al., 2012). ... Minor criteria include (i) hyperelastic skin with follicular hyperkeratosis, easy bruising, and occasional abnormal scarring; (ii) myopathy as seen clinically by reduced strength and endurance and confirmed in some patients by histology and muscle imaging; and (iii) hearing impairment that is predominantly sensorineural and may not be present in all individuals. Mapping Using genomic DNA from 23 members of an Austrian family segregating autosomal recessive Ehlers-Danlos syndrome with progressive kyphoscoliosis, myopathy, and hearing loss, Baumann et al. (2012) performed a genomewide scan followed by haplotype analysis and autozygosity mapping and identified only 2 linkage regions for which the 2 affected individuals were homozygous identical by descent, on chromosomes 7p15.1 and 16q12.2. ... Molecular Genetics In 2 affected individuals from an Austrian family with Ehlers-Danlos syndrome with progressive kyphoscoliosis, myopathy, and hearing loss, Baumann et al. (2012) sequenced the candidate gene FKBP14 (614505) and identified homozygosity for a 1-bp insertion (614505.0001). ... In a 3-year-old boy with Ehlers-Danlos syndrome and myopathy, Aldeeri et al. (2014) performed exome sequencing and identified homozygosity for a 4-bp splice site deletion in the FKBP14 gene (614505.0003).
    FKBP14, ACADSB, AUH, DHCR7, HSD17B10, ACAD8, ROGDI
    • Kyphoscoliotic Ehlers-Danlos Syndrome Due To Fkbp22 Deficiency Orphanet
      A rare subtype of kyphoscoliotic Ehlers-Danlos syndrome characterized by congenital muscle hypotonia, congenital or early-onset kyphoscoliosis (progressive or non-progressive), and generalized joint hypermobility with dislocations/subluxations (in particular of the shoulders, hips, and knees). Additional common features are skin hyperextensibility, easy bruising of the skin, rupture/aneurysm of a medium-sized artery, osteopenia/osteoporosis, blue sclerae, umbilical or inguinal hernia, chest deformity, marfanoid habitus, talipes equinovarus, and refractive errors. Subtype-specific manifestations include congenital hearing impairment (sensorineural, conductive, or mixed), follicular hyperkeratosis, muscle atrophy, and bladder diverticula. Molecular testing is obligatory to confirm the diagnosis.
  • Chromosome Xp21 Deletion Syndrome OMIM
    Other features included psychomotor retardation, spasticity, growth failure, myopathy, and osteoporosis. Glycerol kinase activity in leukocytes and cultured fibroblasts was less than 5% of controls. ... The infantile form is characterized by adrenal hypoplasia, psychomotor retardation, growth delay, osteoporosis, and in some patients myopathy histologically similar to that of Duchenne muscular dystrophy. ... Patil et al. (1985) also described studies of families in which affected males had combined GK deficiency and adrenal hypoplasia, sometimes with myopathy as well, and had deletion of the Xp21.3-p21.2 region. ... Francke et al. (1987) did mapping studies with various DNA probes in a search for deletions of GK deficiency either in isolation or in association with congenital adrenal hypoplasia and developmental delay with or without congenital dystrophic myopathy. Four of 7 such patients were found to have deletions of different sizes within Xp21. ... In cases with the GKD/adrenal hypoplasia microdeletion syndrome without myopathy, no deletion was found in the dystrophin gene.
    NR0B1, GK, IL1RAPL1
    • Xp21 Deletion Syndrome Orphanet
      Xp21 microdeletion syndrome is a rare chromosomal anomaly characterized by complex glycerol kinase deficiency, congenital adrenal hypoplasia, intellectual disability and/or Duchenne muscular dystrophy that usually affect males. The clinical features depend on the deletion size and the number and type of involved genes.
  • Osteopoikilosis Wikipedia
    External links [ edit ] Classification D ICD - 10 : Q78.8 ICD - 9-CM : 756.53 OMIM : 166700 MeSH : D010023 DiseasesDB : 30071 External resources eMedicine : derm/733 v t e Osteochondrodysplasia Osteodysplasia/ / osteodystrophy Diaphysis Camurati–Engelmann disease Metaphysis Metaphyseal dysplasia Jansen's metaphyseal chondrodysplasia Schmid metaphyseal chondrodysplasia Epiphysis Spondyloepiphyseal dysplasia congenita Multiple epiphyseal dysplasia Otospondylomegaepiphyseal dysplasia Osteosclerosis Raine syndrome Osteopoikilosis Osteopetrosis Other/ungrouped FLNB Boomerang dysplasia Opsismodysplasia Polyostotic fibrous dysplasia McCune–Albright syndrome Chondrodysplasia / chondrodystrophy (including dwarfism ) Osteochondroma osteochondromatosis Hereditary multiple exostoses Chondroma / enchondroma enchondromatosis Ollier disease Maffucci syndrome Growth factor receptor FGFR2 : Antley–Bixler syndrome FGFR3 : Achondroplasia Hypochondroplasia Thanatophoric dysplasia COL2A1 collagen disease Achondrogenesis type 2 Hypochondrogenesis SLC26A2 sulfation defect Achondrogenesis type 1B Autosomal recessive multiple epiphyseal dysplasia Atelosteogenesis, type II Diastrophic dysplasia Chondrodysplasia punctata Rhizomelic chondrodysplasia punctata Conradi–Hünermann syndrome Other dwarfism Fibrochondrogenesis Short rib – polydactyly syndrome Majewski's polydactyly syndrome Léri–Weill dyschondrosteosis v t e Cytoskeletal defects Microfilaments Myofilament Actin Hypertrophic cardiomyopathy 11 Dilated cardiomyopathy 1AA DFNA20 Nemaline myopathy 3 Myosin Elejalde syndrome Hypertrophic cardiomyopathy 1, 8, 10 Usher syndrome 1B Freeman–Sheldon syndrome DFN A3, 4, 11, 17, 22; B2, 30, 37, 48 May–Hegglin anomaly Troponin Hypertrophic cardiomyopathy 7, 2 Nemaline myopathy 4, 5 Tropomyosin Hypertrophic cardiomyopathy 3 Nemaline myopathy 1 Titin Hypertrophic cardiomyopathy 9 Other Fibrillin Marfan syndrome Weill–Marchesani syndrome Filamin FG syndrome 2 Boomerang dysplasia Larsen syndrome Terminal osseous dysplasia with pigmentary defects IF 1/2 Keratinopathy ( keratosis , keratoderma , hyperkeratosis ): KRT1 Striate palmoplantar keratoderma 3 Epidermolytic hyperkeratosis IHCM KRT2E ( Ichthyosis bullosa of Siemens ) KRT3 ( Meesmann juvenile epithelial corneal dystrophy ) KRT4 ( White sponge nevus ) KRT5 ( Epidermolysis bullosa simplex ) KRT8 ( Familial cirrhosis ) KRT10 ( Epidermolytic hyperkeratosis ) KRT12 ( Meesmann juvenile epithelial corneal dystrophy ) KRT13 ( White sponge nevus ) KRT14 ( Epidermolysis bullosa simplex ) KRT17 ( Steatocystoma multiplex ) KRT18 ( Familial cirrhosis ) KRT81 / KRT83 / KRT86 ( Monilethrix ) Naegeli–Franceschetti–Jadassohn syndrome Reticular pigmented anomaly of the flexures 3 Desmin : Desmin-related myofibrillar myopathy Dilated cardiomyopathy 1I GFAP : Alexander disease Peripherin : Amyotrophic lateral sclerosis 4 Neurofilament : Parkinson's disease Charcot–Marie–Tooth disease 1F, 2E Amyotrophic lateral sclerosis 5 Laminopathy : LMNA Mandibuloacral dysplasia Dunnigan Familial partial lipodystrophy Emery–Dreifuss muscular dystrophy 2 Limb-girdle muscular dystrophy 1B Charcot–Marie–Tooth disease 2B1 LMNB Barraquer–Simons syndrome LEMD3 Buschke–Ollendorff syndrome Osteopoikilosis LBR Pelger–Huet anomaly Hydrops-ectopic calcification-moth-eaten skeletal dysplasia Microtubules Kinesin Charcot–Marie–Tooth disease 2A Hereditary spastic paraplegia 10 Dynein Primary ciliary dyskinesia Short rib-polydactyly syndrome 3 Asphyxiating thoracic dysplasia 3 Other Tauopathy Cavernous venous malformation Membrane Spectrin : Spinocerebellar ataxia 5 Hereditary spherocytosis 2, 3 Hereditary elliptocytosis 2, 3 Ankyrin : Long QT syndrome 4 Hereditary spherocytosis 1 Catenin APC Gardner's syndrome Familial adenomatous polyposis plakoglobin ( Naxos syndrome ) GAN ( Giant axonal neuropathy ) Other desmoplakin : Striate palmoplantar keratoderma 2 Carvajal syndrome Arrhythmogenic right ventricular dysplasia 8 plectin : Epidermolysis bullosa simplex with muscular dystrophy Epidermolysis bullosa simplex of Ogna plakophilin : Skin fragility syndrome Arrhythmogenic right ventricular dysplasia 9 centrosome : PCNT ( Microcephalic osteodysplastic primordial dwarfism type II ) Related topics: Cytoskeletal proteins
    LEMD3, HMGA2, ELN, EXT1, GZMH, GZMB, PRDM16
    • Isolated Osteopoikilosis Orphanet
      A rare primary bone dysplasia characterized by multiple, small, round to ovoid osteosclerotic foci with a predilection for the epiphyses and metaphyses of long tubular bones as well as the pelvis, scapula, carpal, and tarsal bones. The condition is usually clinically silent and discovered only incidentally, although some patients may experience mild articular pain with or without joint effusion. Bone strength is normal.
    • Osteopoikilosis GARD
      Osteopoikilosis is a condition in which many small, roundish spots are found in the bones, particularly near the joints. These spots are areas of bone tissue that did not develop properly and are exceptionally dense. They usually do not cause symptoms and do not change over time. Osteopoikilosis can be diagnosed at any age and is often detected by chance when an otherwise healthy individual has x-rays for an unrelated reason, such as injury. This condition may occur randomly with no other features ( sporadic ), or may be inherited from a parent as a part of Buschke Ollendorff syndrome .
    • Buschke-Ollendorff Syndrome OMIM
      A number sign (#) is used with this entry because of evidence that Buschke-Ollendorff syndrome (BOS) is caused by heterozygous loss-of-function mutations in the LEMD3 gene (607844) on chromosome 12q14. Description Buschke-Ollendorff syndrome is an autosomal dominant connective tissue disorder manifest by multiple subcutaneous nevi or nodules. They may be either elastin-rich (elastoma) or collagen-rich (dermatofibrosis lenticularis disseminata) on histologic examination. The lesions are usually nontender and firm. Affected individuals also have osteopoikilosis (OPK), literally meaning 'spotted bones,' which are osteosclerotic foci that occur in the epiphyses and metaphyses of long bones, wrist, foot, ankle, pelvis, and scapula. Some individuals have both skin and bone manifestations, whereas others may lack skin or bone manifestations.
  • Monilethrix Wikipedia
    External links [ edit ] Classification D ICD - 10 : Q84.1 ( ILDS Q84.140) ICD - 9-CM : 757.4 OMIM : 158000 MeSH : D056734 DiseasesDB : 29592 External resources eMedicine : derm/763 Orphanet : 573 v t e Congenital malformations and deformations of skin appendages Nail disease Anonychia Leukonychia Pachyonychia congenita / Onychauxis Koilonychia Hair disease hypotrichosis /abnormalities: keratin disease Monilethrix IBIDS syndrome Sabinas brittle hair syndrome Pili annulati Pili torti Uncombable hair syndrome Björnstad syndrome Giant axonal neuropathy with curly hair hypertrichosis : Zimmermann–Laband syndrome v t e Cytoskeletal defects Microfilaments Myofilament Actin Hypertrophic cardiomyopathy 11 Dilated cardiomyopathy 1AA DFNA20 Nemaline myopathy 3 Myosin Elejalde syndrome Hypertrophic cardiomyopathy 1, 8, 10 Usher syndrome 1B Freeman–Sheldon syndrome DFN A3, 4, 11, 17, 22; B2, 30, 37, 48 May–Hegglin anomaly Troponin Hypertrophic cardiomyopathy 7, 2 Nemaline myopathy 4, 5 Tropomyosin Hypertrophic cardiomyopathy 3 Nemaline myopathy 1 Titin Hypertrophic cardiomyopathy 9 Other Fibrillin Marfan syndrome Weill–Marchesani syndrome Filamin FG syndrome 2 Boomerang dysplasia Larsen syndrome Terminal osseous dysplasia with pigmentary defects IF 1/2 Keratinopathy ( keratosis , keratoderma , hyperkeratosis ): KRT1 Striate palmoplantar keratoderma 3 Epidermolytic hyperkeratosis IHCM KRT2E ( Ichthyosis bullosa of Siemens ) KRT3 ( Meesmann juvenile epithelial corneal dystrophy ) KRT4 ( White sponge nevus ) KRT5 ( Epidermolysis bullosa simplex ) KRT8 ( Familial cirrhosis ) KRT10 ( Epidermolytic hyperkeratosis ) KRT12 ( Meesmann juvenile epithelial corneal dystrophy ) KRT13 ( White sponge nevus ) KRT14 ( Epidermolysis bullosa simplex ) KRT17 ( Steatocystoma multiplex ) KRT18 ( Familial cirrhosis ) KRT81 / KRT83 / KRT86 ( Monilethrix ) Naegeli–Franceschetti–Jadassohn syndrome Reticular pigmented anomaly of the flexures 3 Desmin : Desmin-related myofibrillar myopathy Dilated cardiomyopathy 1I GFAP : Alexander disease Peripherin : Amyotrophic lateral sclerosis 4 Neurofilament : Parkinson's disease Charcot–Marie–Tooth disease 1F, 2E Amyotrophic lateral sclerosis 5 Laminopathy : LMNA Mandibuloacral dysplasia Dunnigan Familial partial lipodystrophy Emery–Dreifuss muscular dystrophy 2 Limb-girdle muscular dystrophy 1B Charcot–Marie–Tooth disease 2B1 LMNB Barraquer–Simons syndrome LEMD3 Buschke–Ollendorff syndrome Osteopoikilosis LBR Pelger–Huet anomaly Hydrops-ectopic calcification-moth-eaten skeletal dysplasia Microtubules Kinesin Charcot–Marie–Tooth disease 2A Hereditary spastic paraplegia 10 Dynein Primary ciliary dyskinesia Short rib-polydactyly syndrome 3 Asphyxiating thoracic dysplasia 3 Other Tauopathy Cavernous venous malformation Membrane Spectrin : Spinocerebellar ataxia 5 Hereditary spherocytosis 2, 3 Hereditary elliptocytosis 2, 3 Ankyrin : Long QT syndrome 4 Hereditary spherocytosis 1 Catenin APC Gardner's syndrome Familial adenomatous polyposis plakoglobin ( Naxos syndrome ) GAN ( Giant axonal neuropathy ) Other desmoplakin : Striate palmoplantar keratoderma 2 Carvajal syndrome Arrhythmogenic right ventricular dysplasia 8 plectin : Epidermolysis bullosa simplex with muscular dystrophy Epidermolysis bullosa simplex of Ogna plakophilin : Skin fragility syndrome Arrhythmogenic right ventricular dysplasia 9 centrosome : PCNT ( Microcephalic osteodysplastic primordial dwarfism type II ) Related topics: Cytoskeletal proteins This genetic disorder article is a stub .
    KRT81, KRT83, KRT86, DSG4, KRT80
    • Monilethrix Orphanet
      A rare genodermatosis characterized by a hair shaft dysplasia resulting in hypotrichosis. Epidemiology The prevalence and incidence are not known. Clinical description Monilethrix has an early onset in infancy. Alopecia, associated with follicular hyperkeratosis and perifollicular erythema, can involve only the occiput and the nape of the neck or, in severe forms, the entire scalp, the eyebrows and eyelashes, and secondary hair. Infants show a characteristic hair shaft dysplasia: dystrophic constrictions regularly separated by elliptical nodes of normal thickness, giving a beaded appearance of affected hair. The thin internodal region shows a high propensity to break. In some cases, nail dystrophy (koilonychia) on fingers and toes has been reported.
    • Monilethrix OMIM
      A number sign (#) is used with this entry because of evidence that monilethrix is caused by heterozygous mutation in the hair cortex keratin genes KRTHB1 (KRT81; 602153), KRTHB6 (KRT86; 601928), and KRTHB3 (KRT83; 602765). Description Individuals with monilethrix have normal hair at birth, but within the first few months of life develop fragile, brittle hair that tends to fracture and produce varying degrees of dystrophic alopecia. In the mildest forms, only the occipital regions of the scalp are involved; however, in severe forms the eyebrows, eyelashes, and secondary sexual hair may also be involved. Follicular hyperkeratosis with predilection for the scalp, nape of neck, and extensor surfaces of the upper arm and thighs is also a characteristic finding in these patients. Light microscopic examination is diagnostic and reveals elliptical nodes of normal thickness and intermittent constrictions (internodes) at which the hair easily breaks.
    • Monilethrix MedlinePlus
      Monilethrix is a condition that affects hair growth. Its most characteristic feature is that individual strands of hair have a beaded appearance like the beads of a necklace. The name monilethrix comes from the Latin word for necklace (monile) and the Greek word for hair (thrix). Noticeable when viewed under a microscope, the beaded appearance is due to periodic narrowing of the hair shaft. People with monilethrix also have sparse hair growth (hypotrichosis) and short, brittle hair that breaks easily. Affected individuals usually have normal hair at birth, but the hair abnormalities develop within the first few months of life.
    • Monilethrix GARD
      Monilethrix is a rare condition caused by a defect in the hair shaft resulting in hair which appears dry, dull, and brittle, and which breaks spontaneously or with mild trauma. The age of onset, severity, and course may vary from person to person.
  • Perimyositis Wikipedia
    Please help improve the article by providing more context for the reader . ( January 2021 ) ( Learn how and when to remove this template message ) Perimyositis Specialty Rheumatology Perimyositis is inflammation or swelling of tissues near the muscles . See also [ edit ] myopathy (muscle disease) myalgia (muscle pain) Masticatory muscle myositis (a disease in dogs) myositis References [ edit ] v t e Inflammation Symptoms Flushing (Rubor) Fever (Calor) Swelling (Tumor) Pain (Dolor) Malaise Mechanism Acute Plasma-derived mediators Bradykinin complement C3 C5a MAC coagulation Factor XII Plasmin Thrombin Cell-derived mediators preformed: Lysosome granules biogenic amines Histamine Serotonin synthesized on demand: cytokines IFN-γ IL-8 TNF-α IL-1 eicosanoids Leukotriene B4 Prostaglandins Nitric oxide Kinins Chronic Macrophage Epithelioid cell Giant cell Granuloma Other Acute-phase reaction Vasodilation Increased vascular permeability Exudate Leukocyte extravasation Chemotaxis Tests Full blood count Leukocytosis C-reactive protein Erythrocyte sedimentation rate General Lymphadenopathy List of inflammed body part states v t e Systemic connective tissue disorders General Systemic lupus erythematosus Drug-induced SLE Libman–Sacks endocarditis Inflammatory myopathy Myositis Dermatopolymyositis Dermatomyositis / Juvenile dermatomyositis Polymyositis * Inclusion body myositis Scleroderma Systemic scleroderma Progressive systemic sclerosis CREST syndrome Overlap syndrome / Mixed connective tissue disease Other hypersensitivity / autoimmune Sjögren syndrome Other Behçet's disease Polymyalgia rheumatica Eosinophilic fasciitis Eosinophilia–myalgia syndrome fibrillin Marfan syndrome Congenital contractural arachnodactyly v t e Symptoms and conditions relating to muscle Pain Myalgia Fibromyalgia Acute Delayed onset Inflammation Myositis Pyomyositis Destruction Muscle weakness Rhabdomyolysis Muscle atrophy / Amyotrophy Other Myositis ossificans Fibrodysplasia ossificans progressiva Compartment syndrome Anterior Diastasis of muscle Diastasis recti Muscle spasm This article about a disease of musculoskeletal and connective tissue is a stub .
  • Becker Muscular Dystrophy Wikipedia
    External links [ edit ] Becker muscular dystrophy at Curlie Classification D ICD - 10 : G71.0 ICD - 9-CM : 359.1 OMIM : 300376 DiseasesDB : 1280 External resources MedlinePlus : 000706 eMedicine : pmr/14 Patient UK : Becker muscular dystrophy Scholia has a topic profile for Becker muscular dystrophy . v t e Muscular dystrophy Types Congenital Dystrophinopathy Becker's Duchenne Distal Emery-Dreifuss Facioscapulohumeral Limb-girdle muscular dystrophy Calpainopathy Myotonic Oculopharyngeal National/International Organizations Muscular Dystrophy Association (USA) Muscular Dystrophy Canada Myotonic Dystrophy Foundation Muskelsvindfonden (Denmark) National/International Events MDA Muscle Walk (USA) Labor Day Telethon (defunct; USA/Canada) Décrypthon (France) Grøn Koncert (Denmark) Clinical trials Stamulumab (MYO-029) Category v t e X-linked disorders X-linked recessive Immune Chronic granulomatous disease (CYBB) Wiskott–Aldrich syndrome X-linked severe combined immunodeficiency X-linked agammaglobulinemia Hyper-IgM syndrome type 1 IPEX X-linked lymphoproliferative disease Properdin deficiency Hematologic Haemophilia A Haemophilia B X-linked sideroblastic anemia Endocrine Androgen insensitivity syndrome / Spinal and bulbar muscular atrophy KAL1 Kallmann syndrome X-linked adrenal hypoplasia congenita Metabolic Amino acid : Ornithine transcarbamylase deficiency Oculocerebrorenal syndrome Dyslipidemia : Adrenoleukodystrophy Carbohydrate metabolism : Glucose-6-phosphate dehydrogenase deficiency Pyruvate dehydrogenase deficiency Danon disease/glycogen storage disease Type IIb Lipid storage disorder : Fabry's disease Mucopolysaccharidosis : Hunter syndrome Purine–pyrimidine metabolism : Lesch–Nyhan syndrome Mineral : Menkes disease / Occipital horn syndrome Nervous system X-linked intellectual disability : Coffin–Lowry syndrome MASA syndrome Alpha-thalassemia mental retardation syndrome Siderius X-linked mental retardation syndrome Eye disorders: Color blindness (red and green, but not blue) Ocular albinism ( 1 ) Norrie disease Choroideremia Other: Charcot–Marie–Tooth disease (CMTX2-3) Pelizaeus–Merzbacher disease SMAX2 Skin and related tissue Dyskeratosis congenita Hypohidrotic ectodermal dysplasia (EDA) X-linked ichthyosis X-linked endothelial corneal dystrophy Neuromuscular Becker's muscular dystrophy / Duchenne Centronuclear myopathy (MTM1) Conradi–Hünermann syndrome Emery–Dreifuss muscular dystrophy 1 Urologic Alport syndrome Dent's disease X-linked nephrogenic diabetes insipidus Bone / tooth AMELX Amelogenesis imperfecta No primary system Barth syndrome McLeod syndrome Smith–Fineman–Myers syndrome Simpson–Golabi–Behmel syndrome Mohr–Tranebjærg syndrome Nasodigitoacoustic syndrome X-linked dominant X-linked hypophosphatemia Focal dermal hypoplasia Fragile X syndrome Aicardi syndrome Incontinentia pigmenti Rett syndrome CHILD syndrome Lujan–Fryns syndrome Orofaciodigital syndrome 1 Craniofrontonasal dysplasia v t e Diseases of muscle , neuromuscular junction , and neuromuscular disease Neuromuscular- junction disease autoimmune Myasthenia gravis Lambert–Eaton myasthenic syndrome Neuromyotonia Myopathy Muscular dystrophy ( DAPC ) AD Limb-girdle muscular dystrophy 1 Oculopharyngeal Facioscapulohumeral Myotonic Distal (most) AR Calpainopathy Limb-girdle muscular dystrophy 2 Congenital Fukuyama Ullrich Walker–Warburg XR dystrophin Becker's Duchenne Emery–Dreifuss Other structural collagen disease Bethlem myopathy PTP disease X-linked MTM adaptor protein disease BIN1-linked centronuclear myopathy cytoskeleton disease Nemaline myopathy Zaspopathy Channelopathy Myotonia Myotonia congenita Thomsen disease Neuromyotonia / Isaacs syndrome Paramyotonia congenita Periodic paralysis Hypokalemic Thyrotoxic Hyperkalemic Other Central core disease Mitochondrial myopathy MELAS MERRF KSS PEO General Inflammatory myopathy Congenital myopathy
    DMD
  • Lambert–eaton Myasthenic Syndrome Wikipedia
    This is attributed to the influx of calcium in response to these stimuli. [3] [2] On single-fiber examination, features may include increased jitter (seen in other diseases of neuromuscular transmission) and blocking. [3] Blood tests may be performed to exclude other causes of muscle disease (elevated creatine kinase may indicate a myositis , and abnormal thyroid function tests may indicate thyrotoxic myopathy ). Antibodies against voltage-gated calcium channels can be identified in 85% of people with EMG-confirmed LEMS. [3] Once LEMS is diagnosed, investigations such as a CT scan of the chest are usually performed to identify any possible underlying lung tumors. ... External links [ edit ] Classification D ICD - 10 : G73.1 , G70.8 ICD - 9-CM : 358.1 MeSH : D015624 DiseasesDB : 4030 External resources MedlinePlus : 000710 eMedicine : neuro/181 emerg/292 v t e Diseases of muscle , neuromuscular junction , and neuromuscular disease Neuromuscular- junction disease autoimmune Myasthenia gravis Lambert–Eaton myasthenic syndrome Neuromyotonia Myopathy Muscular dystrophy ( DAPC ) AD Limb-girdle muscular dystrophy 1 Oculopharyngeal Facioscapulohumeral Myotonic Distal (most) AR Calpainopathy Limb-girdle muscular dystrophy 2 Congenital Fukuyama Ullrich Walker–Warburg XR dystrophin Becker's Duchenne Emery–Dreifuss Other structural collagen disease Bethlem myopathy PTP disease X-linked MTM adaptor protein disease BIN1-linked centronuclear myopathy cytoskeleton disease Nemaline myopathy Zaspopathy Channelopathy Myotonia Myotonia congenita Thomsen disease Neuromyotonia / Isaacs syndrome Paramyotonia congenita Periodic paralysis Hypokalemic Thyrotoxic Hyperkalemic Other Central core disease Mitochondrial myopathy MELAS MERRF KSS PEO General Inflammatory myopathy Congenital myopathy v t e Paraneoplastic syndromes Endocrine Hypercalcaemia SIADH Zollinger–Ellison syndrome Cushing's syndrome Hematological Multicentric reticulohistiocytosis Nonbacterial thrombotic endocarditis Neurological Paraneoplastic cerebellar degeneration Encephalomyelitis Limbic encephalitis Opsoclonus Polymyositis Transverse myelitis Lambert–Eaton myasthenic syndrome Anti-NMDA receptor encephalitis Musculoskeletal Dermatomyositis Hypertrophic osteopathy Mucocutaneous reactive erythema Erythema gyratum repens Necrolytic migratory erythema papulosquamous Acanthosis nigricans Ichthyosis acquisita Acrokeratosis paraneoplastica of Bazex Extramammary Paget's disease Florid cutaneous papillomatosis Leser-Trélat sign Pityriasis rotunda Tripe palms Other Febrile neutrophilic dermatosis Pyoderma gangrenosum Paraneoplastic pemphigus
    PLEC, PREPL, CACNA1A, DAP, ACHE, GMPPB, SCLC1, DOK7, COL13A1, CHAT, HLA-DRB1, SYT1, RBM45, SYT2, WNK1, GORASP1, F11R, CEACAM4, CD274, EIF3K, CD2AP, CHRND, TNF, SOX2, HSPA5, SOX1, SLC18A3, RELA, DPAGT1, CEACAM6, ISG20, IL10, CXCL8, IL2RA, IL1B, ICAM1, PTEN
    • Lambert-Eaton Myasthenic Syndrome Orphanet
      Lambert-Eaton myasthenic syndrome (LEMS) is an autoimmune, presynaptic disorder of neuromuscular transmission characterized by fluctuating muscle weakness and autonomic dysfunction frequently associated with small-cell lung cancer (SCLC). Epidemiology The prevalence is estimated to be between 1/250,000- 1/333,300 worldwide. Clinical description The age of onset is typically over 40 years old, although it may occur at any age. LEMS is characterized by the clinical triad of proximal muscle weakness, autonomic disturbance, and depressed tendon reflexes. Tumors, mostly SCLC (see this term), are present in fifty to sixty percent of LEMS patients.
    • Lambert Eaton Myasthenic Syndrome GARD
      Lambert Eaton myasthenic syndrome (LEMS) is a disorder of the neuromuscular junction. The neuromuscular junction is the site where nerve cells meet muscle cells and help activate the muscles. This syndrome occurs when antibodies interfere with electrical impulses between the nerve and muscle cells. It may be associated with other autoimmune diseases, or more commonly coincide with or precede a diagnosis of cancer such as small cell lung cancer. Symptoms may include muscle weakness, a tingling sensation in the affected areas, fatigue, and dry mouth.
  • May–hegglin Anomaly Wikipedia
    External links [ edit ] Classification D ICD - 10 : D72.0 ICD - 9-CM : 288.2 OMIM : 155100 DiseasesDB : 29517 SNOMED CT : 250279001 External resources eMedicine : ped/1383 v t e Disorders of bleeding and clotting Coagulation · coagulopathy · Bleeding diathesis Clotting By cause Clotting factors Antithrombin III deficiency Protein C deficiency Activated protein C resistance Protein S deficiency Factor V Leiden Prothrombin G20210A Platelets Sticky platelet syndrome Thrombocytosis Essential thrombocythaemia DIC Purpura fulminans Antiphospholipid syndrome Clots Thrombophilia Thrombus Thrombosis Virchow's triad Trousseau sign of malignancy By site Deep vein thrombosis Bancroft's sign Homans sign Lisker's sign Louvel's sign Lowenberg's sign Peabody's sign Pratt's sign Rose's sign Pulmonary embolism Renal vein thrombosis Bleeding By cause Thrombocytopenia Thrombocytopenic purpura : ITP Evans syndrome TM TTP Upshaw–Schulman syndrome Heparin-induced thrombocytopenia May–Hegglin anomaly Platelet function adhesion Bernard–Soulier syndrome aggregation Glanzmann's thrombasthenia platelet storage pool deficiency Hermansky–Pudlak syndrome Gray platelet syndrome Clotting factor Haemophilia A/VIII B/IX C/XI von Willebrand disease Hypoprothrombinemia/II Factor VII deficiency Factor X deficiency Factor XII deficiency Factor XIII deficiency Dysfibrinogenemia Congenital afibrinogenemia Signs and symptoms Bleeding Bruise Haematoma Petechia Purpura Nonthrombocytopenic purpura By site head Epistaxis Haemoptysis Intracranial haemorrhage Hyphaema Subconjunctival haemorrhage torso Haemothorax Haemopericardium Pulmonary haematoma abdomen Gastrointestinal bleeding Haemobilia Haemoperitoneum Haematocele Haematosalpinx joint Haemarthrosis v t e Cytoskeletal defects Microfilaments Myofilament Actin Hypertrophic cardiomyopathy 11 Dilated cardiomyopathy 1AA DFNA20 Nemaline myopathy 3 Myosin Elejalde syndrome Hypertrophic cardiomyopathy 1, 8, 10 Usher syndrome 1B Freeman–Sheldon syndrome DFN A3, 4, 11, 17, 22; B2, 30, 37, 48 May–Hegglin anomaly Troponin Hypertrophic cardiomyopathy 7, 2 Nemaline myopathy 4, 5 Tropomyosin Hypertrophic cardiomyopathy 3 Nemaline myopathy 1 Titin Hypertrophic cardiomyopathy 9 Other Fibrillin Marfan syndrome Weill–Marchesani syndrome Filamin FG syndrome 2 Boomerang dysplasia Larsen syndrome Terminal osseous dysplasia with pigmentary defects IF 1/2 Keratinopathy ( keratosis , keratoderma , hyperkeratosis ): KRT1 Striate palmoplantar keratoderma 3 Epidermolytic hyperkeratosis IHCM KRT2E ( Ichthyosis bullosa of Siemens ) KRT3 ( Meesmann juvenile epithelial corneal dystrophy ) KRT4 ( White sponge nevus ) KRT5 ( Epidermolysis bullosa simplex ) KRT8 ( Familial cirrhosis ) KRT10 ( Epidermolytic hyperkeratosis ) KRT12 ( Meesmann juvenile epithelial corneal dystrophy ) KRT13 ( White sponge nevus ) KRT14 ( Epidermolysis bullosa simplex ) KRT17 ( Steatocystoma multiplex ) KRT18 ( Familial cirrhosis ) KRT81 / KRT83 / KRT86 ( Monilethrix ) Naegeli–Franceschetti–Jadassohn syndrome Reticular pigmented anomaly of the flexures 3 Desmin : Desmin-related myofibrillar myopathy Dilated cardiomyopathy 1I GFAP : Alexander disease Peripherin : Amyotrophic lateral sclerosis 4 Neurofilament : Parkinson's disease Charcot–Marie–Tooth disease 1F, 2E Amyotrophic lateral sclerosis 5 Laminopathy : LMNA Mandibuloacral dysplasia Dunnigan Familial partial lipodystrophy Emery–Dreifuss muscular dystrophy 2 Limb-girdle muscular dystrophy 1B Charcot–Marie–Tooth disease 2B1 LMNB Barraquer–Simons syndrome LEMD3 Buschke–Ollendorff syndrome Osteopoikilosis LBR Pelger–Huet anomaly Hydrops-ectopic calcification-moth-eaten skeletal dysplasia Microtubules Kinesin Charcot–Marie–Tooth disease 2A Hereditary spastic paraplegia 10 Dynein Primary ciliary dyskinesia Short rib-polydactyly syndrome 3 Asphyxiating thoracic dysplasia 3 Other Tauopathy Cavernous venous malformation Membrane Spectrin : Spinocerebellar ataxia 5 Hereditary spherocytosis 2, 3 Hereditary elliptocytosis 2, 3 Ankyrin : Long QT syndrome 4 Hereditary spherocytosis 1 Catenin APC Gardner's syndrome Familial adenomatous polyposis plakoglobin ( Naxos syndrome ) GAN ( Giant axonal neuropathy ) Other desmoplakin : Striate palmoplantar keratoderma 2 Carvajal syndrome Arrhythmogenic right ventricular dysplasia 8 plectin : Epidermolysis bullosa simplex with muscular dystrophy Epidermolysis bullosa simplex of Ogna plakophilin : Skin fragility syndrome Arrhythmogenic right ventricular dysplasia 9 centrosome : PCNT ( Microcephalic osteodysplastic primordial dwarfism type II ) Related topics: Cytoskeletal proteins
    • Myh9-Related Disorders GeneReviews
      Summary Clinical characteristics. MYH9 -related disorders (MYH9RD) are characterized by large platelets (i.e., >40% of platelets >3.9 μm in diameter) and thrombocytopenia (platelet count <150 x 10 9 /L), both of which are present from birth. MYH9RD is variably associated with young-adult onset of progressive sensorineural hearing loss, presenile cataract, elevation of liver enzymes, and renal disease manifesting initially as glomerular nephropathy. Before identification of the gene in which mutation is causative, MYH9 , individuals with MYH9RD were diagnosed as having Epstein syndrome, Fechtner syndrome, May-Hegglin anomaly, or Sebastian syndrome based on the combination of different clinical findings at the time of diagnosis. However, the realization that they all are due to heterozygous pathogenic variants in MYH9 and that the clinical findings often worsen throughout life as a result of late onset of non-hematologic manifestations has led the four conditions to be regarded as one disorder, now known as MYH9RD. Diagnosis/testing. The diagnosis is established by the finding of typical MYH9 protein aggregates in neutrophils detected through immunofluorescence analysis of a peripheral blood smear and/or by the identification of a heterozygous pathogenic variant in MYH9 .
    • Myh9-Related Disorder MedlinePlus
      MYH9 -related disorder is a condition that can have many signs and symptoms, including bleeding problems, hearing loss, kidney (renal) disease, and clouding of the lens of the eyes (cataracts ). The bleeding problems in people with MYH9 -related disorder are due to thrombocytopenia. Thrombocytopenia is a reduced level of circulating platelets , which are small cells that normally assist with blood clotting. People with MYH9 -related disorder typically experience easy bruising, and affected women have excessive bleeding during menstruation (menorrhagia). The platelets in people with MYH9 -related disorder are larger than normal.
  • Hereditary Pyropoikilocytosis Wikipedia
    External links [ edit ] Classification D OMIM : 266140 MeSH : C563004 C563004, C563004 v t e Cytoskeletal defects Microfilaments Myofilament Actin Hypertrophic cardiomyopathy 11 Dilated cardiomyopathy 1AA DFNA20 Nemaline myopathy 3 Myosin Elejalde syndrome Hypertrophic cardiomyopathy 1, 8, 10 Usher syndrome 1B Freeman–Sheldon syndrome DFN A3, 4, 11, 17, 22; B2, 30, 37, 48 May–Hegglin anomaly Troponin Hypertrophic cardiomyopathy 7, 2 Nemaline myopathy 4, 5 Tropomyosin Hypertrophic cardiomyopathy 3 Nemaline myopathy 1 Titin Hypertrophic cardiomyopathy 9 Other Fibrillin Marfan syndrome Weill–Marchesani syndrome Filamin FG syndrome 2 Boomerang dysplasia Larsen syndrome Terminal osseous dysplasia with pigmentary defects IF 1/2 Keratinopathy ( keratosis , keratoderma , hyperkeratosis ): KRT1 Striate palmoplantar keratoderma 3 Epidermolytic hyperkeratosis IHCM KRT2E ( Ichthyosis bullosa of Siemens ) KRT3 ( Meesmann juvenile epithelial corneal dystrophy ) KRT4 ( White sponge nevus ) KRT5 ( Epidermolysis bullosa simplex ) KRT8 ( Familial cirrhosis ) KRT10 ( Epidermolytic hyperkeratosis ) KRT12 ( Meesmann juvenile epithelial corneal dystrophy ) KRT13 ( White sponge nevus ) KRT14 ( Epidermolysis bullosa simplex ) KRT17 ( Steatocystoma multiplex ) KRT18 ( Familial cirrhosis ) KRT81 / KRT83 / KRT86 ( Monilethrix ) Naegeli–Franceschetti–Jadassohn syndrome Reticular pigmented anomaly of the flexures 3 Desmin : Desmin-related myofibrillar myopathy Dilated cardiomyopathy 1I GFAP : Alexander disease Peripherin : Amyotrophic lateral sclerosis 4 Neurofilament : Parkinson's disease Charcot–Marie–Tooth disease 1F, 2E Amyotrophic lateral sclerosis 5 Laminopathy : LMNA Mandibuloacral dysplasia Dunnigan Familial partial lipodystrophy Emery–Dreifuss muscular dystrophy 2 Limb-girdle muscular dystrophy 1B Charcot–Marie–Tooth disease 2B1 LMNB Barraquer–Simons syndrome LEMD3 Buschke–Ollendorff syndrome Osteopoikilosis LBR Pelger–Huet anomaly Hydrops-ectopic calcification-moth-eaten skeletal dysplasia Microtubules Kinesin Charcot–Marie–Tooth disease 2A Hereditary spastic paraplegia 10 Dynein Primary ciliary dyskinesia Short rib-polydactyly syndrome 3 Asphyxiating thoracic dysplasia 3 Other Tauopathy Cavernous venous malformation Membrane Spectrin : Spinocerebellar ataxia 5 Hereditary spherocytosis 2, 3 Hereditary elliptocytosis 2, 3 Ankyrin : Long QT syndrome 4 Hereditary spherocytosis 1 Catenin APC Gardner's syndrome Familial adenomatous polyposis plakoglobin ( Naxos syndrome ) GAN ( Giant axonal neuropathy ) Other desmoplakin : Striate palmoplantar keratoderma 2 Carvajal syndrome Arrhythmogenic right ventricular dysplasia 8 plectin : Epidermolysis bullosa simplex with muscular dystrophy Epidermolysis bullosa simplex of Ogna plakophilin : Skin fragility syndrome Arrhythmogenic right ventricular dysplasia 9 centrosome : PCNT ( Microcephalic osteodysplastic primordial dwarfism type II ) Related topics: Cytoskeletal proteins v t e Medicine Specialties and subspecialties Surgery Cardiac surgery Cardiothoracic surgery Colorectal surgery Eye surgery General surgery Neurosurgery Oral and maxillofacial surgery Orthopedic surgery Hand surgery Otolaryngology ENT Pediatric surgery Plastic surgery Reproductive surgery Surgical oncology Transplant surgery Trauma surgery Urology Andrology Vascular surgery Internal medicine Allergy / Immunology Angiology Cardiology Endocrinology Gastroenterology Hepatology Geriatrics Hematology Hospital medicine Infectious disease Nephrology Oncology Pulmonology Rheumatology Obstetrics and gynaecology Gynaecology Gynecologic oncology Maternal–fetal medicine Obstetrics Reproductive endocrinology and infertility Urogynecology Diagnostic Radiology Interventional radiology Nuclear medicine Pathology Anatomical Clinical pathology Clinical chemistry Cytopathology Medical microbiology Transfusion medicine Other Addiction medicine Adolescent medicine Anesthesiology Dermatology Disaster medicine Diving medicine Emergency medicine Mass 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Commons Wikiproject Portal Outline This article about a disease of the blood or immune system is a stub .
    SPTA1, SPTB, ALPL, ALPP, ASRGL1, ATHS, NAT10, PDLIM3, ATRNL1, CCL27, SLPI, SCN4A, KRAS, COL1A1, COL1A2, CACNA1S, EPB41, SOST, SYNE1, PANX1, PRDX5, CDKN2A, OTUD4, TUBGCP3, BRAF, PDXP, SOX17, APC, SCGB3A1, H19, CDX2, TLR2, BEST1, GATA4, SOX9, DMD, SFRP1, EGFR, PTHLH, MAPK3, PRRX1, PLP1, ENPP1, PRDX1, MLH1, HES1, IH
    • Pyropoikilocytosis, Hereditary OMIM
      A number sign (#) is used with this entry because hereditary pyropoikilocytosis can be caused by mutation in the alpha-spectrin (182860) or the beta-spectrin gene (182870). Description Hereditary pyropoikilocytosis was originally described by Zarkowsky et al. (1975) as a distinct hemolytic anemia characterized by microspherocytosis, poikilocytosis, and an unusual thermal sensitivity of red cells. HPP is a subset of hereditary elliptocytosis (see 611804) due to homozygous or compound heterozygous mutations in spectrin leading to severe disruption of spectrin self-association (review by An and Mohandas, 2008). Clinical Features Liu et al. (1981) studied 2 patients from unrelated black families. Both had a history of hemolytic anemia since birth (Palek et al., 1981).
  • Distal Myotilinopathy Orphanet
    A rare, late adult-onset myofibrillar myopathy characterized by progressive distal muscle weakness associated with peripheral neuropathy and hyporeflexia.
    MYOT, KLK7, REST, UBB, UCHL1, BAP1, INA
  • Progressive External Ophthalmoplegia With Mitochondrial Dna Deletions, Autosomal Recessive 3 OMIM
    Muscle biopsy indicated a mitochondrial myopathy with up to 10% COX-negative ragged-red fibers. ... INHERITANCE - Autosomal recessive HEAD & NECK Face - Facial muscle weakness Eyes - External ophthalmoplegia, progressive - Ptosis CHEST Ribs Sternum Clavicles & Scapulae - Scapular winging ABDOMEN Gastrointestinal - Dysphagia MUSCLE, SOFT TISSUES - Muscle weakness, proximal - Muscle atrophy, mild, proximal - Mitochondrial myopathy - Myopathic features seen on EMG - Ragged red fibers seen on muscle biopsy - COX-negative fibers - Skeletal muscle shows mtDNA deletions - Decreased activities of mitochondrial-encoded respiratory chain complexes VOICE - Dysarthria LABORATORY ABNORMALITIES - Increased serum creatine kinase, mild - Increased serum lactate, mild MISCELLANEOUS - Onset in mid-forties - Two Finnish sisters have been reported (last curated August 2016) MOLECULAR BASIS - Caused by mutation in the nuclear-encoded mitochondrial thymidine kinase gene (TK2, 188250.0007 ) ▲ Close
    POLG, TK2, SPG7, RRM2B
    • Progressive External Ophthalmoplegia With Mitochondrial Dna Deletions, Autosomal Recessive 1 OMIM
      During the next several decades, both patients developed classic neurologic signs, including external ophthalmoplegia, ataxia, hearing impairment, ataxia, myopathy, cardiomyopathy, depression, and even cognitive impairment in 1. ... INHERITANCE - Autosomal recessive HEAD & NECK Eyes - External ophthalmoplegia, progressive (PEO) - Ptosis - Optic atrophy (1 patient) - Dyschromatopsia (1 patient) - Poor vision (1 patient) CARDIOVASCULAR Heart - Mitral valve prolapse - Mitral insufficiency - Cardiomyopathy (in some patients) RESPIRATORY - Respiratory insufficiency due to muscle weakness ABDOMEN Gastrointestinal - Dysphagia SKELETAL Feet - Pes cavus - 'Clawed' toes MUSCLE, SOFT TISSUES - Mitochondrial myopathy, severe - Muscle weakness, upper and lower limbs - Muscle weakness, proximal - Muscle weakness, distal - Facial weakness - Dysarthria - Dysphonia - Muscle atrophy, generalized - Exercise intolerance - EMG shows myopathic changes - Myotonic discharges - Fibrillations - Ragged red fibers seen on muscle biopsy - Increased variation in fiber size seen on muscle biopsy - Necrotic and atrophic fibers with centralized nuclei seen on muscle biopsy - Multiple mitochondrial DNA (mtDNA) deletions seen on muscle biopsy - Decreased activity of cytochrome c oxidase seen on muscle biopsy - Subsarcolemmal accumulations of abnormally shaped mitochondria seen with electronmicroscopy NEUROLOGIC Central Nervous System - Gait ataxia - Limb ataxia - 'Steppage' gait - Positive Romberg sign - Parkinsonism - Rigidity - Bradykinesia Peripheral Nervous System - Hyporeflexia - Areflexia - Distal sensory loss of vibration and proprioception - Decreased sensory nerve action potentials - Sensory axonal neuropathy - Sensory ataxic neuropathy Behavioral Psychiatric Manifestations - Depression - Emotional instability LABORATORY ABNORMALITIES - Mildly increased creatine kinase - Increased CSF protein MISCELLANEOUS - Onset in late teens to twenties - Highly variable phenotype - PEO is not always present - SANDO ( 607459 ) is a phenotypic variant of autosomal recessive PEO - See also autosomal dominant PEOA1 ( 157640 ) MOLECULAR BASIS - Caused by mutation in the DNA polymerase-gamma gene (POLG, 174763.0002 ) ▲ Close
    • Autosomal Recessive Progressive External Ophthalmoplegia Orphanet
      A rare genetic, neuro-ophthalmological disease characterized by progressive weakness of the external eye muscles, resulting in bilateral ptosis and diffuse, symmetric ophthalmoparesis. Additional signs may include generalized skeletal muscle weakness, muscle atrophy, sensory axonal neuropathy, ataxia, cardiomyopathy, and psychiatric symptoms. It is usually more severe than autosomal dominant form.
  • Juvenile Polymyositis Orphanet
    A rare type of juvenile idiopathic inflammatory myopathy (IIM) characterized by an onset before 18 years of age of chronic skeletal muscle inflammation, manifesting as progressive, proximal and distal muscle weakness and atrophy.
    TRIM21, NT5C1A
  • Mevalonic Aciduria Orphanet
    A rare, very severe form of mevalonate kinase deficiency (MKD) characterized by dysmorphic features, failure to thrive, psychomotor delay, ocular involvement, hypotonia, progressive ataxia, myopathy, and recurrent inflammatory episodes.
    MVK, HMGCR, NLRP3, TNF, MEFV, IL1B, RAC1, TNFRSF1A, RHOA, SEC23B, NLRC4, ADA2, PMVK, SAA1, PSTPIP1, FDFT1, IL1A, IFNG, GRID2, MMAB
    • Mevalonate Kinase Deficiency Wikipedia
      Mevalonate kinase deficiency Other names Mevalonic aciduria [1] and Hyper immunoglobin D syndrome (HIDS) A patient with mevalonate kinase deficiency at the age of 21 months, displaying characteristic craniofacial features Specialty Hematology , neurology , immunology , medical genetics , endocrinology Mevalonic acid Mevalonate kinase deficiency ( MKD ), is an autosomal recessive [2] metabolic disorder that disrupts the biosynthesis of cholesterol and isoprenoids . [3] It is characterized by an elevated level of immunoglobin D in the blood. Mevalonate kinase (MVK) is an enzyme involved in biosynthesis of cholesterols and isoprenoids and is necessary for the conversion of mevalonate to mevalonate-5-phosphate in the presence of Mg2+. MKD is due to a mutation in the gene that encodes mevalonate kinase which results in a reduced or deficient activity of this enzyme. Because of this deficiency, mevalonic acid can build up in the body with high levels found in the urine. The severity of MKD depends on the level of this deficiency with hyperimmunoglobulinemia D syndrome (first described as HIDS in 1984) being less severe, but more common, and mevalonic aciduria (MVA); a more severe, but rarer form.
    • Mevalonic Aciduria OMIM
      Less severely affected patients had psychomotor retardation, hypotonia, myopathy, and ataxia. All patients had recurrent crises in which there was fever, lymphadenopathy, increase in size of liver and spleen, arthralgia, edema, and a morbilliform rash.
    • Mevalonic Aciduria GARD
      Mevalonic aciduria is the severe form of mevalonate kinase deficiency, a condition characterized by recurrent episodes of fever that typically begin during infancy. During these fever episodes, people with mevalonic aciduria may have an enlarged liver and spleen (hepatosplenomegaly), lymphadenopathy , abdominal pain, diarrhea, joint pain ( arthralgia ), and skin rashes. Additional ongoing issues include developmental delay, progressive ataxia, progressive problems with vision, an unusually small, elongated head, and failure to thrive . Mevalonic aciduria is caused by deficiency of mevalonate kinase, the first committed enzyme of cholesterol biosynthesis. This deficiency occurs as a result of inherited mutations in the MVK gene.
  • Eosinophilic Fasciitis Orphanet
    A rare idiopathic inflammatory myopathy that is characterized by inflammation and thickening of the fascia, usually associated with peripheral eosinophilia.
    CD34, GATA3, PDCD1, STAT3, BNC2
    • Eosinophilic Fasciitis GARD
      Eosinophilic fasciitis is a very rare condition in which muscle tissue underneath the skin, called fascia, becomes swollen and thick. Rapid swelling can occur in the hands, arms, legs, and feet. People with this condition have a buildup of eosinophils, a type of white blood cell, in the affected fascia and muscles. The exact cause of this condition is unknown. Corticosteroids and other immune-suppressing medications are used to relieve the symptoms. Eosinophilic fasciitis is similar in appearance to scleroderma . However, in contrast with systemic sclerosis, internal organ involvement in eosinophilic fasciitis is generally absent. Some researchers believe that eosinophilic fasciitis may be a variant of morphea (localized scleroderma).
    • Eosinophilic Fasciitis Wikipedia
      External links [ edit ] Classification D ICD - 10 : M35.4 ICD - 9-CM : 728.89 OMIM : 226350 MeSH : C562487 DiseasesDB : 29427 External resources MedlinePlus : 000447 eMedicine : med/686 v t e Systemic connective tissue disorders General Systemic lupus erythematosus Drug-induced SLE Libman–Sacks endocarditis Inflammatory myopathy Myositis Dermatopolymyositis Dermatomyositis / Juvenile dermatomyositis Polymyositis * Inclusion body myositis Scleroderma Systemic scleroderma Progressive systemic sclerosis CREST syndrome Overlap syndrome / Mixed connective tissue disease Other hypersensitivity / autoimmune Sjögren syndrome Other Behçet's disease Polymyalgia rheumatica Eosinophilic fasciitis Eosinophilia–myalgia syndrome fibrillin Marfan syndrome Congenital contractural arachnodactyly v t e Soft tissue disorders Capsular joint Synoviopathy Synovitis / Tenosynovitis Calcific tendinitis Stenosing tenosynovitis Trigger finger De Quervain syndrome Transient synovitis Ganglion cyst osteochondromatosis Synovial osteochondromatosis Plica syndrome villonodular synovitis Giant-cell tumor of the tendon sheath Bursopathy Bursitis Olecranon Prepatellar Trochanteric Subacromial Achilles Retrocalcaneal Ischial Iliopsoas Synovial cyst Baker's cyst Calcific bursitis Noncapsular joint Symptoms Ligamentous laxity Hypermobility Enthesopathy / Enthesitis / Tendinopathy upper limb Adhesive capsulitis of shoulder Impingement syndrome Rotator cuff tear Golfer's elbow Tennis elbow lower limb Iliotibial band syndrome Patellar tendinitis Achilles tendinitis Calcaneal spur Metatarsalgia Bone spur other/general: Tendinitis / Tendinosis Nonjoint Fasciopathy Fasciitis : Plantar Nodular Necrotizing Eosinophilic Fibromatosis / contracture Dupuytren's contracture Plantar fibromatosis Aggressive fibromatosis Knuckle pads
    • Eosinophilic Fasciitis OMIM
      Thomson et al. (1989) described a brother and sister, aged 33 and 38 years, respectively, who developed eosinophilic fasciitis within a period of 6 months. They were found to have identical HLA-A, -B, -DR, and -DQ antigens. No common environmental factors close to the time of onset were identified. Muscle - Eosinophilic fasciitis Inheritance - Autosomal recessive ▲ Close
  • Phosphoglycerate Kinase 1 Deficiency OMIM
    Description Phosphoglycerate kinase-1 deficiency is an X-linked recessive condition with a highly variable clinical phenotype that includes hemolytic anemia, myopathy, and neurologic involvement. Patients can express 1, 2, or all 3 of these manifestations (Shirakawa et al., 2006). ... Shirakawa et al. (2006) reported a 33-year-old Japanese man with PGK1 deficiency manifesting as mental retardation and exertional myopathy, but without hemolytic anemia. ... In a patient with PGK1 deficiency manifest as myopathy (Sugie et al., 1989), Sugie et al. (1998) identified a mutation in the PGK1 gene (311800.0009). ... INHERITANCE - X-linked recessive HEAD & NECK Eyes - Retinal dystrophy (rare) - Loss of vision (rare) GENITOURINARY Kidneys - Renal failure may occur with myoglobinuria MUSCLE, SOFT TISSUES - Myopathy in approximately 45% of patients - Muscle cramps with exercise - Rhabdomyolysis - Exercise intolerance NEUROLOGIC Central Nervous System - Central nervous system involvement in approximately 50% of patients - Developmental delay - Mental retardation - Speech delay - Seizures - Hemiplegic migraines - Ataxia Behavioral Psychiatric Manifestations - Emotional instability HEMATOLOGY - Hemolytic anemia in approximately 60% of patients LABORATORY ABNORMALITIES - Myoglobinuria after exertion - Decreased hemoglobin - Increased serum bilirubin - Increased reticulocyte count - Decreased activity of phosphoglycerate kinase 1 MISCELLANEOUS - Highly variable phenotype - Variable age at onset (range infancy to adult) - Heterozygous females may exhibit variable degrees of enzyme deficiency MOLECULAR BASIS - Caused by mutation in the phosphoglycerate kinase 1 gene (PGK1, 311800.0002 ). ▲ Close
    PGK1, IMPDH1, PGK1P1
    • Phosphoglycerate Kinase Deficiency MedlinePlus
      Phosphoglycerate kinase deficiency is a genetic disorder that affects the body's ability to break down the simple sugar glucose, which is the primary energy source for most cells. Researchers have described two major forms of the condition. The most common form is sometimes called the hemolytic form. It is characterized by a condition known as chronic hemolytic anemia, in which red blood cells are broken down (undergo hemolysis) prematurely. Chronic hemolytic anemia can lead to unusually pale skin (pallor), yellowing of the eyes and skin (jaundice), fatigue, shortness of breath, and a rapid heart rate. Some people with the hemolytic form also have symptoms related to abnormal brain function, including intellectual disability, seizures, and stroke.
  • Lipodystrophy, Familial Partial, Type 6 OMIM
    Description Familial partial lipodystrophy-6 (FPLD6) is characterized by abnormal subcutaneous fat distribution, with variable excess accumulation of fat in the face, neck, shoulders, axillae, back, abdomen, and pubic region, and reduction in subcutaneous fat of the lower extremities. Progressive adult-onset myopathy is seen in some patients, and there is variable association with diabetes, hypertriglyceridemia, low high-density lipoprotein (HDL) cholesterol, and hepatic steatosis (Zolotov et al., 2017). ... Zolotov et al. (2017) reported a 41-year-old woman and her 36-year-old brother, from a consanguineous Israeli Arab family, who exhibited marked symmetric accumulation of subcutaneous fat in the face, neck, axillae, and trunk, with loss of subcutaneous fat from the lower extremities and progressive symmetric myopathy during adulthood. In addition, the sister had diabetes and the brother had hepatic steatosis. ... In an Israeli Arab sister and brother with multiple symmetric lipomatosis, partial lipodystrophy, and myopathy, Zolotov et al. (2017) performed Sanger and exome sequencing and identified homozygosity for a nonsense mutation in the LIPE gene (E1035X; 151750.0003) that segregated with disease in the family. The authors concluded that LIPE deficiency in humans is associated with adult-onset progressive multiple symmetric lipomatosis, lower extremity lipodystrophy, and myopathy, along with metabolic abnormalities such as diabetes, hypertriglyceridemia, and hepatic steatosis.
    LIPE, LIPE-AS1
    • Lipe-Related Familial Partial Lipodystrophy Orphanet
      Variable common additional features are progressive adult onset myopathy, insulin resistance, diabetes, hypertriglyceridemia, hepatic steatosis, and vitiligo.
  • Neuromuscular Junction Disease Wikipedia
    External links [ edit ] Classification D MeSH : D020511 External resources Orphanet : 98491 v t e Diseases of muscle , neuromuscular junction , and neuromuscular disease Neuromuscular- junction disease autoimmune Myasthenia gravis Lambert–Eaton myasthenic syndrome Neuromyotonia Myopathy Muscular dystrophy ( DAPC ) AD Limb-girdle muscular dystrophy 1 Oculopharyngeal Facioscapulohumeral Myotonic Distal (most) AR Calpainopathy Limb-girdle muscular dystrophy 2 Congenital Fukuyama Ullrich Walker–Warburg XR dystrophin Becker's Duchenne Emery–Dreifuss Other structural collagen disease Bethlem myopathy PTP disease X-linked MTM adaptor protein disease BIN1-linked centronuclear myopathy cytoskeleton disease Nemaline myopathy Zaspopathy Channelopathy Myotonia Myotonia congenita Thomsen disease Neuromyotonia / Isaacs syndrome Paramyotonia congenita Periodic paralysis Hypokalemic Thyrotoxic Hyperkalemic Other Central core disease Mitochondrial myopathy MELAS MERRF KSS PEO General Inflammatory myopathy Congenital myopathy
    ACHE, GAD2, GFPT1
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