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.[1]
MRI
On MRI, the prostate will be diffusely enlarged, often with associated inflammatory changes of periprostatic fat and of the seminal vesicles.[1]
Findings of acute prostatitis on MRI include:
- T1: peripheral zone iso- or hypo-intense to transitional zone
- T2: hyperintense
- Gd (C+): diffusely enhancing
References
- ↑ 1.0 1.1 1.2 Prostatitis. Radiopaedia 2016. http://radiopaedia.org/articles/prostatitis. Accessed on March 7, 2016