Prostatitis imaging findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Maliha Shakil, M.D. [2]

Imaging findings

CT

Contrast enhanced CT is the best imaging tool if abscess is suspected. CT will demonstrate a diffusely enlarged, edematous gland with predilection for peripheral zone involvement. When an abscess is present it is seen as a rim-enhancing, unilocular or multilocular, hypodensity in the peripheral zone. Central zone involvement is encountered in post transurethral resection of the prostate (TURP).

Ultrasound

On ultrasound, prostatitis is characterized by a focal hypoechoic region in the peripheral zone of the gland. Discrete fluid collection suggests abscess formation. Colour Doppler ultrasound demonstrates increase flow in the periphery of the abscess.