Brenner Tumor

**Definition:** A smooth, solid or cystic fibroepithelial (FIBROEPITHELIAL NEOPLASMS) tumor, usually found in the OVARIES but can also be found in the adnexal region and the KIDNEYS. It consists of a fibrous stroma with nests of epithelial cells that sometimes resemble the transitional cells lining the urinary bladder. Brenner tumors generally are benign and asymptomatic. Malignant Brenner tumors have been reported.

**Tree numbers:** - C04.557.450.565.590.595.150 - C04.557.470.625.150 - C12.050.351.500.056.630.705.265 - C12.050.351.937.418.685.265 - C12.100.250.056.630.705.265 - C12.900.418.685.265 - C19.391.630.705.265