transition zone of the prostate

transition zone of the prostate

The central area of the prostate gland. Glandular overgrowth here is responsible for symptoms of bladder obstruction, urinary frequency, and nighttime urination—symptoms of benign prostatic hypertrophy. Relatively fewer cancers start here than at the outer borders of the gland.
References in periodicals archive ?
3) Many of these tumours are felt to have arisen in the transition zone of the prostate, although these tumours are classically lower grade than peripheral zone cancers.
Sclerosing adenosis is a rare benign lesion arising in the transition zone of the prostate, characterized by a cellular proliferation of variably sized glands and solid nests surrounded by basement membrane material in a cellular stroma, which can be myxoid at times.

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