A CASE OF PAPILLARY CYSTADENOCARCINOMA OF THE PROSTATE

Abstract

An 86-year-old was admitted to our hospital with the complaint of uritnary retension. Ultrasonography and CT scan revealed a large cystic intrapelvic mass which was palpated on the bilateral inguinal portion, when the needle aspiration was performed, we aspirated serous fluid which a consentration of prostate-specific antigen (PSA) was remarkably elavated to 6200ng/ml. Following hormonal therapy with diethylstilbestrol diphosphate, maximum androgen blockade with Flutaminde and LH-RH analog was performed. But no reduction in the size of the cyst was observed, he died from dyspnea caused by carcinomatosa 91 days later. Autopsy revealed a papillary cystadenocarcinoma of the prostate. Furthermore, we revealed that the cyst is primary and neoplastic changes supervened in this case. Seven cases of papillary cystadenocarcinoma of the prostate in the Japanese letarature are reviewed briefly.