Cystadenoma
Encyclopedia
Cystadenoma refers to a type of cystic adenoma
.
When malignant
, it is called cystadenocarcinoma.
The term "cystadenoma" may also refer to a hidrocystoma
.
Adenoma
An adenoma is a benign tumor of glandular origin. Adenomas can grow from many organs including the colon, adrenal glands, pituitary gland, thyroid, prostate, etc. Although these growths are benign, over time they may progress to become malignant, at which point they are called adenocarcinomas...
.
When malignant
Malignant
Malignancy is the tendency of a medical condition, especially tumors, to become progressively worse and to potentially result in death. Malignancy in cancers is characterized by anaplasia, invasiveness, and metastasis...
, 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 ductBile ductA bile duct is any of a number of long tube-like structures that carry bile.Bile, required for the digestion of food, is excreted by the liver into passages that carry bile toward the hepatic duct, which joins with the cystic duct to form the common bile duct, which opens into the intestine.The...
cystadenoma (8161) - Endometrioid cystadenoma (8380)
- AppendixVermiform appendixThe appendix is a blind-ended tube connected to the cecum , from which it develops embryologically. The cecum is a pouchlike structure of the colon...
mucinous cystadenoma
The term "cystadenoma" may also refer to a hidrocystoma
Hidrocystoma
Hidrocystoma is an adenoma of the sweat glands.Hidrocystomas are cysts of sweat ducts, usually on the eyelids.Histrocystomas are not tumours...
.