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]
Overview
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).[1]
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.
MRI
On MRI, the prostate will be diffusely enlarged, often with associated inflammatory changes of periprostatic fat and of the seminal vesicles. Findings of acute prostatitis on MRI include: T1: peripheral zone iso- or hypo-intense to transitional zone T2: hyperintense Gd (C+): diffusely enhancing
References
- ↑ Prostatitis. Radiopaedia 2016. http://radiopaedia.org/articles/prostatitis. Accessed on March 7, 2016