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International braz j urol

Print version ISSN 1677-5538

Int. braz j urol. vol.38 no.2 Rio de Janeiro Mar./Apr. 2012

http://dx.doi.org/10.1590/S1677-55382012000200019 

RADIOLOGY PAGE

 

Penile fracture and magnetic resonance imaging

 

 

Katie S. MurrayI; Michael GilbertIII; Lawrence R. RicciIII; Narendra KhareII; Joshua BroghammerI

IUniversity of Kansas Medical Center Department of Urology, Kansas City, KS,
IIUniversity of Missouri-Kansas City Department of Urology
IIIDepartment of Radiology, Kansas City, MO, USA

Correspondence address

 

 

A thirty-three-year-old male presented to an outside emergency department with scrotal swelling and pain after intercourse. A scrotal ultrasound revealed hematoma, with no other abnormalities and the patient was discharged. He then presented to our institution where examination showed diffuse ecchymosis through the shaft of the penis, suprapubic region, and scrotum without a palpable cavernosal defect.

Magnetic resonance imaging (MRI) without contrast was obtained after the injection of 10 micrograms of intracavernosal alprostadil. The low signal tunica albuginea is easily demarcated compared to the high T2 and intermediate T1 signal of the corpora cavernosum (Figures 1-3) (1,2). Hematoma shows heterogeneous intermediate T1 and T2 signal (Figures 2 and 3) (1).

 

 

 

 

Penile fracture is rupture of the corpus cavernosum from blunt trauma to the erect penis (3,4). Typical presentation is a pop during intercourse, immediate detumescence with edema, hematoma and penile deformity (3,4). In atypical presentations, radiological studies may be useful to determine the diagnosis. MRI provides the ability to identify disruption of the corpus cavernosum due to excellent tissue contrast and visualization of soft tissue pathological processes (5). MRI is an adjunctive tool in the evaluation of atypical presentations of suspected penile fracture (3).

 

REFERENCES

1. Fedel M, Venz S, Andreessen R, Sudhoff F, Loening SA: The value of magnetic resonance imaging in the diagnosis of suspected penile fracture with atypical clinical findings. J Urol. 1996;155:1924-7.         [ Links ]

2. Choi MH, Kim B, Ryu JA, Lee SW, Lee KS: MR imaging of acute penile fracture. Radiographics. 2000; 20: 1397-405. Erratum in: Radiographics. 2000;20:1818.         [ Links ]

3. Koifman L, Barros R, Júnior RA, Cavalcanti AG, Favorito LA: Penile fracture: diagnosis, treatment and outcomes of 150 patients. Urology. 2010;76:1488-92.         [ Links ]

4. El-Assmy A, El-Tholoth HS, Abou-El-Ghar ME, Mohsen T, Ibrahiem el HI: False penile fracture: value of different diagnostic approaches and long-term outcome of conservative and surgical management. Urology. 2010;75:1353-6.         [ Links ]

5. Rahmouni A, Hoznek A, Duron A, Colombel M, Chopin DK, Mathieu D, et al.: Magnetic resonance imaging of penile rupture: aid to diagnosis. J Urol. 1995;153:1927-8.         [ Links ]

 

 

Correspondence address:
Dr. Katie Murray
Department of Urology
University of Kansas Medical Center
3901 Rainbow Blvd Mail Stop 3016
Kansas City, KS 66160
Fax: 913-588-6668
E-mail: kmurray3@kumc.edu

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