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DOI: 10.1148/rg.283075100
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RadioGraphics 2008;28:837-853
© RSNA, 2008

EDUCATION EXHIBIT

MR Imaging of Nonmalignant Penile Lesions1

Alexander P. S. Kirkham, FRCR, Rowland O. Illing, MRCS, Suks Minhas, FRCS, Suks Minhas, FRCS, and Clare Allen, FRCR

1 From the Departments of Imaging (A.P.S.K., R.O.I., C.A.) and Urology (S.M.), University College London Hospitals NHS Foundation Trust, 235 Euston Rd, London NW1 2BU, England. Recipient of a Certificate of Merit award for an education exhibit at the 2006 RSNA Annual Meeting. Received May 7, 2007; revision requested June 8; final revision received September 26; accepted September 26. All authors have no financial relationships to disclose. Address correspondence to A.P.S.K. (e-mail: alexkirkham{at}yahoo.com).

Magnetic resonance (MR) imaging is potentially useful in the assessment of many benign penile diseases. When T1- and T2-weighted sequences are used, MR imaging can clearly delineate the tunica albuginea and can be used to diagnose penile fracture and Peyronie disease; in both conditions, MR imaging may help refine the surgical approach. It is also useful in cases of priapism; in these cases, intravenously administered contrast material can help assess the viability of the corpora cavernosa and the presence of penile fibrosis. In the assessment of a penile prosthesis, MR imaging provides excellent anatomic information and is the investigation of choice. In the evaluation of erectile dysfunction, MR imaging has limited value, and for urethral stricture, it has not yet proved adequately superior to other modalities to justify its routine use.

© RSNA, 2008






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