Most common site of prostate carcinoma is -
Ans. is 'b' i.e., Peripheral zone o Surgical Anatomy of Prostate# Prostate is divided into following 3 zones:o Peripheral zone which lies in the outer part of prostate but mainly posteriorly.o Central zone: tvhich lies posterior to the urethral lumen and above the ejaculatory ducts as they pass through the prostate.o Periurethral transitional zone (TZ)o Carcinoma arise most commonly from - Peripheral zoneo Benign prostatic hyperplasia arise from - Transitional zoneo As BHP arises from transitional zone and 'prostatectomy' done for BHP removes TZ leaving behind the PZ. The pt. is still at risk for prostatic carcinoma.
Anterior zone
Peripheral zone
Central zone
Transitional zone
Prostate Cancer