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Medicine (Baltimore). 2018 Nov;97(46):e13249. doi: 10.1097/MD.0000000000013249.

Urethral defect due to periurethral abscess treated with a tunica vaginalis flap: A case report.

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Department of Urology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung.
Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.



Periurethral abscess is a life-threatening disease, and the occurrence of a urethral defect with periurethral abscess is a rare finding. In this case, the patient had a lengthy urethral defect from the bulbous urethra to the membranous urethra accompanied by periurethral abscess that developed within a short time. Herein, we report a case of a pedicle-sparing tunica vaginalis flap utilized in urethral reconstruction which degenerated due to fibrotic changes and soft tissue defects in the urethral bed.


The patient was a 36-year-old man with fever and lower urinary tract symptoms who had been treated with antibiotics and anti-inflammatory drugs for urinary tract infections 3 days before admission. Purulent necrosis was formed by the urethral abscess, and a long-length urethral defect was formed in the bulbous urethra.


Based on the initial computed tomography and laboratory findings, empirical antibiotics were administered to treat a lower urinary tract infection. On the 7th day of hospitalization, ultrasonography was performed due to the sudden swelling of the scrotum, and the patient was diagnosed with a periurethral abscess that was 10 × 3 cm in size.


Initial urinary diversion, wide debridement, and a large amount of abscess drainage were performed. Necrosis of the urethral ventral part caused a urethral defect that was 5 cm in size. After treatment with antibiotics, long-term disinfection and intermittent debridement were conducted and urethral reconstruction was performed using a tunica vaginalis flap with preserved vascular structure.


No complications occurred until 6 months after urethral reconstruction.


Urethral reconstruction using a tunica vaginalis flap is a good method for selected patients. Pedicle-sparing tunica vaginalis is an advantageous material for resolving urethral defects, especially when the surrounding circulation conditions are poor.

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