Cystadenoma classification

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 mucinous cystadenoma