An unusual presentation of prostate cancer posing a diagnostic dilemma: A case report.

Sarcomatoid carcinomas are a rare type of prostate cancer and are associated with a poor prognosis. We present the case of an 80-year-old gentleman who presented with rectal bleeding and his CT scan revealed an incidental pelvic cystic mass. He initially underwent attempted ultrasound-guided drainage and transurethral resection for this.