Prostatic Adenocarcinoma presenting as Large Cystic lesion of Prostate - A Case Report

73 years old male presented with acute urinary retention. There was no history of lower urinary tract symptoms (LUTS) prior to this episode. On digital rectal examination he had a large nontender cystic swelling on anterior wall of rectum. His serum PSA was 62.36 ng/ml. After Imaging & fine-needle aspiration cytology (FNAC) he was diagnosed as a case of benign cyst likely prostatic utricle cyst. He was given a trial without catheter which failed, and He was managed with robot assisted laparoscopic excision of prostatic cyst. Histopathological examination of excised specimen revealed presence of Prostate Adenocarcinoma arising within cystic lesion.