title: Cystadenoma of the seminal vesicle.
abstract: Primary tumors of the seminal vesicle are extremely rare. Among them, there is a spectrum of tumors derived from both epithelium and stroma and so classified as epithelial-stromal tumors. Herein, we report a case of a cystadenoma in a 49-year-old asymptomatic man, detected in a routine ultrasonography for liver disease follow-up. The digital rectal examination detected a large mass anterior to rectum and posterior to bladder. Computed tomography scan and magnetic resonance imaging showed a normal prostate and a 9.0 cm cystic tumor, replacing the left seminal vesicle. The gross appearance and microscopic aspect was compatible with cystadenoma of seminal vesicle. Patient's postoperative recovery was uneventful. He is currently alive, 3 years after the diagnosis, with no signs of recurrence.
authors.affiliation: Oswaldo Cruz Deutch Hospital, São Paulo, SP, Brazil. doctorgil@uol.com.br
authors.forename: Antônio O
authors.initials: AO
authors.lastname: Gil
authors.forename: Lucas Y S
authors.initials: LY
authors.lastname: Yamakami
authors.forename: Tércio
authors.initials: T
authors.lastname: Genzini