Cystadenoma
Cystadenoma (or "cystoma") is a type of cystic adenoma. When malignant, it is called cystadenocarcinoma.
Classification
When not otherwise specified, the ICD-O coding is 8440/0. However, the following classifications also exist:
By form
- serous cystadenoma (8441-8442)
- papillary cystadenoma (8450-8451, 8561)
- mucinous cystadenoma (8470-8473)
By location
- Bile duct cystadenoma (8161)
- Endometrioid cystadenoma (8380)
- Appendix: The term mucinous cystadenoma is an obsolete term for appendiceal mucinous neoplasm
The term "cystadenoma" may also refer to a hidrocystoma.
See also
- Warthin's tumor