Cystadenoma (or "cystoma") refers to 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 mucinous cystadenoma

See also

• Warthin's tumor

External links

• Picture of serous cystadenoma
• - Slide: Papillary Cystadenoma of Epididymis

de:Zystom

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