Ovarian Cystadenoma

**Semantic type:** Neoplastic Process

**Definition:** A benign ovarian surface epithelial-stromal tumor characterized by the presence of cystic structures lined by serous epithelial cells, mucinous columnar epithelial cells, or endometrial-type well-differentiated cells.

**Synonyms:** - Benign Cystadenoma of Ovary - Benign Cystadenoma of the Ovary - Benign Ovarian Cystadenoma - Cystadenoma of Ovary - Cystadenoma of the Ovary - Cystoma Serosum Simplex - Simple Cystoma of Ovary - Simple Cystoma of the Ovary - Simple Ovarian Cystoma