Primary Clear Cell Adenocarcinoma of the Female Urethra: A Case Report of a Rare Disease.

Primary clear cell adenocarcinoma of the urethra (CCAU) is a rare malignant tumor in the female genitourinary tract and reported only in single case reports. Imaging examinations play an important role in preoperative localization and qualitative diagnosis; the final diagnosis relies on pathologic examination. We report here the MRI and FDG PET/CT findings of primary clear cell adenocarcinoma of the urethra in a female.