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Inicio Radiología (English Edition) Corpus cavernosum fracture: The ultrasound in the emergency diagnosis
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Vol. 55. Issue 2.
Pages 154-159 (March - April 2013)
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Vol. 55. Issue 2.
Pages 154-159 (March - April 2013)
Original article
Corpus cavernosum fracture: The ultrasound in the emergency diagnosis
Fractura de cuerpo cavernoso: la ecografía en el diagnóstico de urgencia
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M. Martí de Gracia, I. Muñiz Iriondo
Corresponding author
ireneim@terra.es

Corresponding author.
, J.P. García Fresnadillo, H. Rodríguez Requena, A. Matos, I. Pinilla
Servicio de Radiodiagnóstico, Hospital Universitario La Paz, Madrid, Spain
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Table 1. Epidemiological data from the 12 patients studied for suspected corpus cavernosum rupture between July 2007 and August 2009.
Table 2. Ultrasonic findings of the 12 cases reviewed.
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Abstract
Objective

The main objective of this work is to study usefulness of ultrasound (US) for the emergency diagnosis of the penile fracture.

Material and methods

We reviewed all the penile US studies registered in our Emergency Department between July 2007 and August 2009 with suspicion of a corpus cavernosum fracture. We compared US findings (subcutaneous hematoma, peri-albuginea hematoma, albuginea rupture and Buck's fascia rupture), and the clinical progress, with those of the surgery. We studied sensitivity, specificity, positive predictive value and negative predictive value of US in the diagnosis of rupture of the tunica albuginea. The epidemiological data of all the cases reviewed were collected.

Results

Twelve patients with a mean age of 37.8 years were reviewed. The most common cause of injury was sexual intercourse. A subcutaneous hematoma was found in nine patients, a peri-albuginea hematoma in eleven of the cases, and an albuginea rupture was seen in six of them. We found no Buck's fascia rupture. Seven patients underwent surgical treatment and in the remaining five patients, treatment was conservative. Clinical progress was good in all cases. US, as an emergency test to diagnose albuginea fracture gave 0.83 sensitivity, 1 specificity, 1 positive predictive value and 0.83 negative predictive value.

Conclusion

We believe that US is a useful procedure in the diagnosis of acute penile fracture and that it could be proposed as the diagnostic method of choice to confirm the clinical suspicion of penile fracture. Identifying the exact site of a tear in the tunica albuginea facilitates the surgical procedure.

Keywords:
Corpus cavernosum
Emergency
Fracture
Tunica albuginea
Ultrasound
Resumen
Objetivo

Valorar la utilidad de los hallazgos ecográficos en la sospecha de fractura de pene.

Material y métodos

Se revisan las ecografías de pene realizadas en urgencias entre julio de 2007 y agosto de 2009 por sospecha clínica de fractura del cuerpo cavernoso, comparando los hallazgos ecográficos (hematoma subcutáneo, hematoma perialbugínea, rotura de la albugínea y rotura de la fascia de Buck) con los quirúrgicos, y la evolución a medio plazo. Se calculan sensibilidad (S), especificidad (E), valor predictivo positivo (VPP) y valor predictivo negativo (VPN) de los hallazgos ecográficos para el diagnóstico de fractura del cuerpo cavernoso. Recogemos datos epidemiológicos de los casos revisados.

Resultados

Se estudiaron a 12 pacientes, con edad media de 35,75 años. El origen más frecuente de la lesión es el traumatismo durante el acto sexual. Ecográficamente, presentaron un hematoma subcutáneo 9 pacientes, perialbugínea 11 sujetos y discontinuidad de la albugínea 6 pacientes. No se visualizaron roturas de la fascia de Buck. Siete fueron operados. En los 5 sujetos restantes se realizó manejo conservador. La evolución fue siempre satisfactoria. La identificación mediante ecografía de la discontinuidad de la albugínea mostró una S de 0,83, E de 1, VPP de 1 y VPN de 0,83.

Conclusión

Consideramos la ecografía como un procedimiento útil para diagnosticar la fractura de cuerpo cavernoso y que se puede proponer como de elección para confirmar la sospecha clínica. La identificación del punto exacto de rotura dirige y facilita la cirugía.

Palabras clave:
Cuerpo cavernoso
Fractura
Túnica albugínea
Ultrasonografía
Urgencia

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