However in some cases, a pancreatic NET occurs outside of the pancreas. A NET arises from cells that produce hormones, so the tumor can also produce hormones. ... Pancreatic NETs are called either functional or nonfunctional. A functional pancreatic NET causes specific symptoms because it makes extra hormones, such as gastrin, insulin, or glucagon. ... Pancreatic NETs can be hard to diagnosis, often not identified until 5 to 10 years after they begin to grow. Most pancreatic NETs are not inherited and occur sporadically in people with no family history of NETs.

A neuroendocrine tumor (NET) is a rare type of tumor that arises from specialized body cells called neuroendocrine cells . ... Pancreatic neuroendocrine tumors (also called islet cell tumors) - NETs that typically arise in the pancreas, although they can occur outside the pancreas. A p heochromocytoma is another, rarer type of NET that usually develops in the adrenal gland , but can also arise in other parts of the body. ... Functional NETs produce a specific set of symptoms due to the production of excess hormones, while non-functional NETs generally do not cause specific symptoms. In many cases, a person has no symptoms until the tumor spreads to the liver and/or impairs the function of an organ or system. This can make NETs very hard to diagnose. The majority of NETs are not inherited and occur sporadically in people with no family history of NETs.

H&E stain Specialty Endocrine oncology Neuroendocrine tumors ( NETs ) are neoplasms that arise from cells of the endocrine ( hormonal ) and nervous systems . ... G1 and G2 neuroendocrine neoplasms are called neuroendocrine tumors (NETs) – formerly called carcinoid tumours. ... Unsourced material may be challenged and removed. ( November 2015 ) ( Learn how and when to remove this template message ) NETs from a particular anatomical origin often show similar behavior as a group, such as the foregut (which conceptually includes pancreas, and even thymus, airway and lung NETs), midgut and hindgut ; individual tumors within these sites can differ from these group benchmarks: Foregut NETs are argentaffin negative. ... Bone metastasis is uncommon. Hindgut NETs are argentaffin negative and rarely secrete 5-HT, 5-HTP, or any other vasoactive peptides. ... Not all cells are immediately killed; cell death can go on for up to two years. [ citation needed ] PRRT was initially used for low grade NETs. It is also very useful in more aggressive NETs such as Grade 2 and 3 NETs [83] [84] provided they demonstrate high uptake on SSTR imaging to suggest benefit.

A rare, genetic, primary orthostatic disorder characterized by dizziness, palpitations, fatigue, blurred vision and tachycardia following postural change from a supine to an upright position, in the absence of hypotension. A syncope with transient cognitive impairment and dyspnea may also occur. The norepinephrine transporter deficiency leads to abnormal uptake and high plasma concentrations of norepinephrine.

A group of esophageal epithelial neoplasms characterized by neuroendocrine differentiation, comprising well-differentiated neuroendocrine tumors (NETs), poorly differentiated neuroendocrine carcinomas (NECs), and mixed neuroendocrine-non-neuroendocrine neoplasms, an umbrella category including mixed adenoneuroendocrine carcinoma. ... NECs may also arise in other parts of the esophagus. On endoscopy, NETs usually appear as small polypoid or nodular submucosal masses, while NECs are large, infiltrative, and ulcerated. Patients most commonly present with dysphagia, pain, weight loss, and sometimes melena. Metastatic NETs may be associated with carcinoid syndrome.

To reduce malaria infections, world health programs distribute preventive drugs and insecticide-treated bed nets to protect people from mosquito bites. The World Health Organization has recommended a malaria vaccine for use in children who live in countries with high numbers of malaria cases. Protective clothing, bed nets and insecticides can protect you while traveling. ... The World Health Organization estimates that about 94% of all malaria deaths occur in Africa — most commonly in children under the age of 5. Malaria deaths are usually related to one or more serious complications, including: Cerebral malaria. ... Do not use products with oil of lemon eucalyptus (OLE) or p-Menthane-3,8-diol (PMD) on children under age 3. Apply repellent to clothing. Sprays containing permethrin are safe to apply to clothing. Sleep under a net. Bed nets, particularly those treated with insecticides, such as permethrin, help prevent mosquito bites while you are sleeping.

A rare neoplastic disease characterized by occurrence of atypical and aggressive gastric type 1 neuroendocrine tumors (NET) in early adulthood. The tumors often show nodal infiltration requiring total gastrectomy. ... Patients present high serum gastrin concentrations and iron-deficiency anemia (rather than megaloblastic anemia, which is a typical feature in patients with sporadic gastric type 1 NET, where the tumor usually arises on the background of autoimmune atrophic gastritis).

The patient had onset of seizures at age 12 months and showed developmental regression at age 35 months. ... Lien et al. (2016) reported a 32-month-old boy with severe developmental delay and hypotonia who developed refractory epilepsy at age 3 months. Brain imaging was normal. ... In vitro functional studies in HEK293 cells showed that the mutation altered the kinetic properties of the channel, resulting in the net loss of GABAergic inhibition. In a boy with EIEE45, Lien et al. (2016) identified a de novo heterozygous missense mutation in the GABRB1 gene (T287I; 137190.0002).

Acute metabolic decompensation is corrected by treating the precipitating stress while delivering sufficient calories, insulin, free amino acids, isoleucine, and valine to achieve sustained net protein synthesis in tissues. Some centers use hemodialysis/hemofiltration to remove BCAAs from the extracellular compartment, but this intervention does not alone establish net protein accretion. ... Signs of deepening encephalopathy including lethargy, intermittent apnea, opisthotonus, and stereotyped movements such as "fencing" and "bicycling" are evident by age four to five days. Coma and central respiratory failure may occur by age seven to ten days, sometimes before newborn screening results are available. ... Following the neonatal period, acute metabolic intoxication (leucinosis) and neurologic deterioration can develop rapidly at any age as a result of net protein degradation precipitated by infection, surgery, injury, or psychological stress (see Figure 1). ... Plasma leucine levels rise predictably as a result of net protein catabolism provoked by a variety of physiologic stresses, including (more...) ... Coronal T 2 -weighted MRI from a Mennonite boy age five years during an acute metabolic crisis.

Depending on the mosquito vector, and the affected community, a variety of prevention methods may be deployed at one time. Insecticidal nets and indoor residual spraying [ edit ] The use of insecticide treated mosquito nets (ITNs) are at the forefront of preventing mosquito bites that cause malaria. ... Because the Anopheles gambiae feeds indoors (endophagic) and rests indoors after feeding (endophilic), insecticide treated nets (ITNs) interrupt the mosquito's feeding pattern. The ITNs continue to offer protection, even after there are holes in the nets, because of their excito-repellency properties which reduce the number of mosquitoes that enter the home. ... The risk of complications from the vaccine are greater for individuals over 60 years of age. In addition, the vaccine is not usually administered to babies under nine months of age, pregnant women, people with allergies to egg protein, and individuals living with AIDS/HIV . ... "The Impact of Pyrethroid Resistance on the Efficacy of Insecticide-Treated Bed Nets against African Anopheline Mosquitoes: Systematic Review and Meta-Analysis" .

Part of a series on Discrimination General forms Age Class ( Caste ) Physical Disability Education Economic Employment Genetics Hair texture Height Housing Language Looks Race / Ethnicity / Nationality Rank Religion Sanity Sex Sexual orientation Size Skin color Specific forms Social Acephobia Adultism Amatonormativity Anti-albinism Anti-autism Anti-homelessness Anti-intellectualism Anti-intersex Anti-left handedness Anti-Masonry Antisemitism (Judeophobia) Aporophobia Audism Biphobia Clannism Cronyism Drug use Elitism Ephebiphobia Fatism Gerontophobia Heteronormativity Heterosexism HIV/AIDS stigma Homophobia Leprosy stigma Lesbophobia Misandry Misogyny Nepotism Pedophobia Perpetual foreigner Pregnancy Reverse Sectarianism Supremacism Black White Transphobia Non-binary Transmisogyny Vegaphobia Xenophobia Religious Ahmadiyya Atheism Baháʼí Faith Buddhism Catholicism Christianity post–Cold War era Druze Falun Gong Hinduism Persecution Islam Persecution Jehovah's Witnesses Judaism Persecution LDS or Mormon Neopaganism Eastern Orthodox Oriental Orthodox Copts Protestantism Rastafarianism Shi'ism Sufism Sunnism Zoroastrianism Ethnic/national African Albanian American Arab Armenian Australian Austrian Azerbaijani British Canadian Catalan Chechen Chilean Chinese Croat Dutch English Estonian European Filipino Finnish French Georgian German Greek Haitian Hazara Hispanic Hungarian Igbo Indian Indonesian Iranian Irish Israeli Italian Japanese Jewish Khmer Korean Kurdish Malay Manchu Mexican Middle Eastern Mongolian Montenegrin Pakistani Pashtun Polish Portuguese Quebec Romani Romanian Russian Scottish Serb Slavic Somali Soviet Tatar Thai Tibetan Turkish Ukrainian Venezuelan Vietnamese Western Manifestations Blood libel Bullying Compulsory sterilization Counter-jihad Cultural genocide Defamation Democide Disability hate crime Dog-whistle politics Eliminationism Ethnic cleansing Ethnic conflict Ethnic hatred Ethnic joke Ethnocide Forced conversion Freak show Gay bashing Gendercide Genital modification and mutilation Genocide examples Glass ceiling Hate crime Hate group Hate speech online Homeless dumping Indian rolling Lavender scare LGBT hate crimes Lynching Mortgage Murder music Occupational segregation Persecution Pogrom Purge Red Scare Religious persecution Religious terrorism Religious violence Religious war Scapegoating Segregation academy Sex-selective abortion Slavery Slut-shaming Trans bashing Victimisation Violence against women White flight White power music Wife selling Witch-hunt Policies Age of candidacy Blood purity Blood quantum Crime of apartheid Disabilities Catholic Jewish Ethnocracy Ethnopluralism Gender pay gap Gender roles Gerontocracy Gerrymandering Ghetto benches Internment Jewish quota Jim Crow laws Law for Protection of the Nation McCarthyism MSM blood donation restrictions Nonpersons Numerus clausus (as religious or racial quota) Nuremberg Laws One-drop rule Racial quota Racial steering Redlining Same-sex marriage (laws and issues prohibiting) Segregation age racial religious sexual Sodomy law State atheism State religion Ugly law Voter suppression Countermeasures Affirmative action Anti-discrimination law Cultural assimilation Cultural pluralism Diversity training Empowerment Feminism Fighting Discrimination Hate speech laws by country Human rights Intersex rights LGBT rights Masculism Multiculturalism Nonviolence Racial integration Reappropriation Self-determination Social integration Toleration Related topics Allophilia Anti-cultural, anti-national, and anti-ethnic terms Bias Christian privilege Civil liberties Cultural assimilation Dehumanization Diversity Ethnic penalty Eugenics Internalized oppression Intersectionality Male privilege Masculism Medical model of disability autism Multiculturalism Net bias Neurodiversity Oikophobia Oppression Police brutality Political correctness Polyculturalism Power distance Prejudice Prisoner abuse Racial bias in criminal news Racism by country Religious intolerance Second-generation gender bias Snobbery Social exclusion Social model of disability Social stigma Stereotype threat The talk White privilege v t e Gerontophobia is the fear of age-related self-degeneration (similar to Gerascophobia ), or a hatred or fear of the elderly due to memento mori . The term comes from the Greek γέρων – gerōn , "old man" [1] and φόβος – phobos , "fear". [2] Contents 1 Ageism 2 See also 3 References 4 External links Ageism [ edit ] Discriminatory aspects of ageism have been strongly linked to gerontophobia . [3] This irrational fear or hatred of the elderly is associated with the fact that someday all young people including oneself will be old inevitably and suffer from the irreversible health decline that comes with old age , which is associated with disability , disease and death . The sight of aged people is a reminder of death ( memento mori ) and inevitable biological vulnerability. ... External links [ edit ] AGEISM AND AGING UP: A Q and A with Mariah MedFriendly Age Wave v t e Discrimination General forms Age Caste Class Disability Education Economic Employment Genetic Hair texture Height Housing Language Looks Race / Ethnicity / Nationality Rank Sanity Sex Sexual orientation Size Skin color Social Acephobia Adultism Amatonormativity Anti-albinism Anti-autism Anti-homelessness Anti-intellectualism Anti-intersex Anti-left handedness Anti-Masonry Antisemitism (Judeophobia) Aporophobia Audism Biphobia Clannism Cronyism Drug use Elitism Ephebiphobia Fatism Gerontophobia Heteronormativity Heterosexism HIV/AIDS stigma Homophobia Leprosy stigma Lesbophobia Misandry Misogyny Nepotism Pedophobia Perpetual foreigner Pregnancy Reverse Sectarianism Supremacism Black White Transphobia Non-binary Transmisogyny Vegaphobia Xenophobia Religious Ahmadiyya Atheism Baháʼí Faith Buddhism Catholicism Christianity post–Cold War era Falun Gong Hinduism Persecution Islam Persecution Jehovah's Witnesses Judaism Persecution LDS or Mormon Neopaganism Eastern Orthodox Oriental Orthodox Protestantism Rastafarianism Shi'ism Sufism Zoroastrianism Ethnic/National African Albanian American Arab Armenian Australian Austrian British Canadian Catalan Chilean Chinese Croat Dutch English Estonian European Filipino Finnish French Georgian German Greek Haitian Hazara Hindu Hispanic Hungarian Igbo Indian Indonesian Iranian Irish Israeli Italian Japanese Jewish Khmer Korean Kurdish Malay Manchu Mexican Middle Eastern Mongolian Pakistani Pashtun Polish Portuguese Quebec Romani Romanian Russian Scottish Serb Slavic Somali Soviet Tatar Thai Turkish Ukrainian Venezuelan Vietnamese Western Manifestations Blood libel Bullying Compulsory sterilization Counter-jihad Cultural genocide Defamation Democide Disability hate crime Dog-whistle politics Eliminationism Enemy of the people Ethnic cleansing Ethnic conflict Ethnic hatred Ethnic joke Ethnocide Forced conversion Freak show Gay bashing Gendercide Genital modification and mutilation Genocide examples Glass ceiling Hate crime Hate group Hate speech Homeless dumping Indian rolling Lavender scare LGBT hate crimes Lynching Mortgage Murder music Native American sports mascots Occupational segregation Persecution Pogrom Purge Red Scare Religious persecution Religious terrorism Religious violence Religious war Scapegoating Segregation academy Sex-selective abortion Slavery Slut-shaming Trans bashing Victimisation Violence against women White flight White power music Wife selling Witch-hunt Discriminatory policies Age of candidacy Blood purity Blood quantum Crime of apartheid Disabilities Catholic Jewish Ethnocracy Ethnopluralism Gender pay gap Gender roles Gerontocracy Gerrymandering Ghetto benches Internment Jewish quota Jim Crow laws Law for Protection of the Nation McCarthyism MSM blood donation restrictions Nonpersons Numerus clausus (as religious or racial quota) Nuremberg Laws One-drop rule Racial quota Racial steering Redlining Same-sex marriage (laws and issues prohibiting) Segregation age racial religious sexual Sodomy law State atheism State religion Ugly law Voter suppression Countermeasures Affirmative action Anti-discrimination law Cultural assimilation Cultural pluralism Diversity training Empowerment Feminism Fighting Discrimination Hate speech laws by country Human rights Intersex rights LGBT rights Masculism Multiculturalism Nonviolence Racial integration Reappropriation Self-determination Social integration Toleration Related topics Allophilia Anti-cultural, anti-national, and anti-ethnic terms Bias Christian privilege Civil liberties Cultural assimilation Dehumanization Diversity Ethnic penalty Eugenics Internalized oppression Intersectionality Male privilege Masculism Medical model of disability autism Multiculturalism Net bias Neurodiversity Oikophobia Oppression Police brutality Political correctness Polyculturalism Power distance Prejudice Prisoner abuse Racial bias in criminal news Racism by country Religious intolerance Second-generation gender bias Snobbery Social exclusion Social model of disability Social stigma Stereotype threat The talk White privilege Category

PanNETs are a type of neuroendocrine tumor , representing about one third of gastroenteropancreatic neuroendocrine tumors (GEP-NETs). Many PanNETs are benign , while some are malignant . ... However, morphological imaging alone is not sufficient for a definite diagnosis [14] [16] On biopsy , immunohistochemistry is generally positive for chromogranin and synaptophysin . [17] Genetic testing thereof typically shows altered MEN1 and DAXX / ATRX . [17] Staging [ edit ] The 2010 WHO classification of tumors of the digestive system grades all the neuroendocrine tumors into three categories, based on their degree of cellular differentiation (from well-differentiated "NET G1" through to poorly-differentiated "NET G3"). ... Combinations of several medicines have been used, such as doxorubicin with streptozocin and fluorouracil (5-FU) [12] and capecitabine with temozolomide. [ citation needed ] Although marginally effective in well-differentiated PETs, cisplatin with etoposide has some activity in poorly differentiated neuroendocrine cancers (PDNECs), [12] particularly if the PDNEC has an extremely high Ki-67 score of over 50%. [8] : 30 Several targeted therapy agents have been approved in PanNETs by the FDA based on improved progression-free survival (PFS): everolimus (Afinitor) is labeled for treatment of progressive neuroendocrine tumors of pancreatic origin in patients with unresectable, locally advanced or metastatic disease. [20] [21] The safety and effectiveness of everolimus in carcinoid tumors have not been established. [20] [21] sunitinib (Sutent) is labeled for treatment of progressive, well-differentiated pancreatic neuroendocrine tumors in patients with unresectable locally advanced or metastatic disease. [22] [23] Sutent also has approval from the European Commission for the treatment of 'unresectable or metastatic, well-differentiated pancreatic neuroendocrine tumors with disease progression in adults'. [24] A phase III study of sunitinib treatment in well differentiated pNET that had worsened within the past 12 months (either advanced or metastatic disease) showed that sunitinib treatment improved progression-free survival (11.4 months vs. 5.5 months), overall survival , and the objective response rate (9.3% vs. 0.0%) when compared with placebo. [25] Genetics [ edit ] Pancreatic neuroendocrine tumors may arise in the context of multiple endocrine neoplasia type 1 , Von Hippel–Lindau disease , neurofibromatosis type 1 (NF-1) or tuberose sclerosis (TSC) [26] [27] Analysis of somatic DNA mutations in well-differentiated pancreatic neuroendocrine tumors identified four important findings: [28] [6] as expected, the genes mutated in NETs, MEN1 , ATRX , DAXX , TSC2 , PTEN and PIK3CA , [28] are different from the mutated genes previously found in pancreatic adenocarcinoma . [29] [30] one in six well-differentiated pancreatic NETs have mutations in mTOR pathway genes, such as TSC2 , PTEN and PIK3CA . [28] The sequencing discovery might allow selection of which NETs would benefit from mTOR inhibition such as with everolimus , but this awaits validation in a clinical trial . mutations affecting a new cancer pathway involving ATRX and DAXX genes were found in about 40% of pancreatic NETs. [28] The proteins encoded by ATRX and DAXX participate in chromatin remodeling of telomeres ; [31] these mutations are associated with a telomerase -independent maintenance mechanism termed ALT (alternative lengthening of telomeres) that results in abnormally long telomeric ends of chromosomes . [31] ATRX / DAXX and MEN1 mutations were associated with a better prognosis . [28] References [ edit ] ^ Burns WR, Edil BH (March 2012).

Prevention [ edit ] Low-cost, ceiling hung mosquito netting for a bed Many of the guidelines for preventing occupational West Nile virus exposure are common to all mosquito-borne diseases . [57] Public health measures include taking steps to reduce mosquito populations. ... DEET formulations as high as 30% are recommended for children over two months of age. [58] The CDC also recommends the use of: IR3535, oil of lemon eucalyptus, para-menthane-diol, or 2-undecanone. [59] Protect infants less than two months of age by using a carrier draped with mosquito netting with an elastic edge for a tight fit. ... Repellents containing permethrin ( e.g. , Permanone) or other insect repellents may be applied to clothing, shoes, tents, mosquito nets, and other gear. (Permethrin is not suitable for use directly on skin.) ... Retrieved 28 October 2017 . ^ Gompf, Sandra. "West Nile Virus" . Medicine Net . MedicineNet Inc . Retrieved 15 January 2019 . ^ "Symptoms, Diagnosis, & Treatment" . ... S2CID 31695008 . ^ Glass, WG; Lim JK; Cholera R; Pletnev AG; Gao JL; Murphy PM (October 17, 2005).

Dowling-Degos disease is characterized by a lacy or net-like (reticulate) pattern of abnormally dark skin coloring (hyperpigmentation) in the body's folds and creases.

Furthermore, urea is reabsorbed actively by the tubule; this process is apparently brought into play particularly in states of low protein intake. Net reabsorption might be due to exaggerated active reabsorption or to deficient secretion.

] and the use of large-bore tubes inserted into the esophagus to forcefully lavage it. [17] [ unreliable medical source? ] Endoscopic [ edit ] The Roth net can be inserted through the endoscope to remove pieces of the obstructed food. ... Traditional endoscopic techniques involved the use of an overtube, a plastic tube inserted into the esophagus prior to the removal of the food bolus, in order to reduce the risk of aspiration into the lungs at the time of endoscopy. [7] However, the "push technique", which involves insufflating air into the esophagus, and gently pushing the bolus toward the stomach instead, has emerged as a common and safe way of removing the obstruction. [7] [18] Other tools may be used to remove food boluses. The Roth Net is a mesh net that can be inserted through the endoscope, and opened and closed from the outside; it can be used to retrieve pieces of obstructed food. ... PMID 17413601 . ^ Cheung KM, Oliver MR, Cameron DJ, Catto-Smith AG, Chow CW (2003). "Esophageal eosinophilia in children with dysphagia".

Insulinoma is a type of pancreatic neuroendocrine tumor (pancreatic NET), which refers to a group of rare tumors that form in the hormone-making cells of the pancreas.

Management and treatment As there is presently no antiviral drug available for YF, treatment is supportive, following the guidelines for treatment of severe septicemia. Insecticide-treated bed nets and/or room screens should be used in open-air settings to prevent further transmission. ... YF-17D is indicated for persons over 9 months of age who are traveling to or living in YF endemic areas. Vaccination is contraindicated in children <4 months old and pregnant women and caution is advised in persons with egg allergy, the immunocompromised, children 4-9 months of age and elderly persons, especially if the risk is minimal, such as trips restricted to attending conferences in modern urban hotels with no rural exposure.

Clinical Features Tatton-Brown et al. (2017) reported 5 unrelated patients, ranging in age from 1.9 to 16 years, with mild to severe intellectual disability associated with variable somatic overgrowth, including height, weight, and/or head circumference. ... Additional features, each found only in 1 or 2 patients, included kyphoscoliosis, camptodactyly, talipes equinovarus, advanced bone age, dental anomalies, skin nevi, strabismus, astigmatism, and amblyopia. ... The truncated proteins were predicted to have a reduced net charge compared to the wildtype protein, rendering them likely to be less effective in neutralizing negatively charged linker DNA. ... INHERITANCE - Autosomal dominant GROWTH Height - Increased birth length - Increased height Weight - Increased birth weight - Increased weight HEAD & NECK Head - Large head circumference Face - Full cheeks Eyes - Telecanthus - Strabismus - Amblyopia - Astigmatism ABDOMEN Gastrointestinal - Poor feeding in the neonatal period SKELETAL - Advanced bone age Spine - Kyphoscoliosis Hands - Camptodactyly Feet - Talipes equinovarus SKIN, NAILS, & HAIR Skin - Nevi MUSCLE, SOFT TISSUES - Hypotonia, neonatal - Hypertonia, neonatal NEUROLOGIC Central Nervous System - Delayed development - Intellectual disability, mild to severe MISCELLANEOUS - Highly variable features - De novo mutation MOLECULAR BASIS - Caused by mutation in the histone gene cluster 1, H1 histone family, member E gene (HIST1H1E, 142220.0001 ) ▲ Close

Patients With Confirmed SLC26A1 Variants Gee et al. (2016) reported a boy of Macedonian descent with onset of acute renal failure due to calcium oxalate nephrolithiasis at 5 years of age. He also had ureteropelvic junction obstruction necessitating surgery. ... The inverse association was found independently of age, gender, race/ethnicity, region, and antibiotic use. ... In vitro flux studies indicated that mice lacking Slc26a6 have a defect in intestinal oxalate secretion resulting in enhanced net absorption of oxalate. Jiang et al. (2006) concluded that the anion exchanger, SLC26A6, has a major constitutive role in limiting net intestinal absorption of oxalate, thereby preventing hyperoxaluria and calcium oxalate urolithiasis.