Case Report

Extraprostatic Papillary Cystadenocarcinoma of the Prostate

Authors: Abdol-Mohammad Kajbafzadeh, MD, Hooman Djaladat, MD

Abstract

A 62-year-old man was evaluated for lower urinary tract symptoms. Imaging studies showed a normal prostate and multiple cysts between the rectum and bladder with no evident communication to the prostate. On pathology, papillary cystadenocarcinoma with positive immunohistochemical staining for PSA was confirmed.


Key Points


* Papillary cystadenocarcinoma of the prostate is an extremely rare tumor.


* Most of the reported cases have been from Japan.


* PSA is increased in serum and cystic fluid of papillary cystadenocarcinoma.


* The diagnosis is based on histologic examination and immunohistochemistry for PSA.

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