2021-21/ May 24
Contributors: Max Kong
Male patient in his 80s with prostate biopsy, PSA 0.9 ng/ml. Transurethral resection of the prostate was performed twice in the last two years due to benign prostatic hypertrophy with urinary obstruction.
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1. What is the correct diagnosis?
a) Prostatic adenocarcinoma with mucinous features, Gleason score 4+3=7 (grade group 3)
b) Prostatic adenocarcinoma with mucinous features and loss of NKX3.1 expression, Gleason score 4+3=7 (grade group 3)
c) Enteric-type/mucinous adenocarcinoma of prostatic urethra, moderately differentiated, involving prostatic tissue
d) Enteric-type/mucinous adenocarcinoma, moderately differentiated, direct invasion or metastatic to prostate from urinary bladder and/or GI tract