2021-31/ August 2
Contributors: Dimitris Goutas, Andreas C. Lazaris
A 60-year-old man experiencing voiding difficulties due to prostate gland enlargement, unresponsive to medical treatment, underwent a transurethral resection of the prostate to alleviate his symptoms. Endoscopic evaluation of the prostatic urethra was unremarkable. The patient had no known history of carcinoma.
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1. What is the correct diagnosis?
a. High grade prostate adenocarcinoma
b. Urothelial carcinoma, probably of urinary bladder origin, invading prostatic stroma with large nested pattern
c. Primary invasive urothelial carcinoma of the prostate
d. Intraepithelial extension of urothelial carcinoma to periurethral prostatic ducts and acini