Abstract

VAN DE WETERING, KM  and  ELLIOTT, RC. Urethral cutaneous fistula correction using an autologous tunica vaginalis pedicle flap in a four-year-old intact male German shepherd dog. J. S. Afr. Vet. Assoc. [online]. 2023, vol.94, n.1, pp.153-156. ISSN 2224-9435.  http://dx.doi.org/10.36303/JSAVA.558.

Urethral cutaneous fistulas are rarely reported in doqs. Several techniques have been described to treat urethrocutaneous fistulas with different degrees of success. This case report is on a four-year-old male intact German shepherd diagnosed with urethrocutaneous fistulas after two weeks of dysuria. The urethra was repaired using an autologous tunica vaginalis pedicle flap after open castration and scrotal ablation. The dog was catheterised for two weeks after which a positive contrast urethrogram revealed a healed urethra with no stricture or leakage into surrounding tissue. The dog was discharged the following day after normal urination. Follow-up examination with the referring veterinarian at five months confirmed that the dog was clinically healthy and urinating normally. Literature about urethrocutaneous fistulas is lacking in the small animal field. To our knowledge there are no reports in the literature describing the use of an autologous tunica vaginalis pedicle flap for the repair of a urethral defect in dogs. This case report describes a novel technique to treat urethrocutaneous fistulas in an intact male dog.

Keywords : urethrocutaneous fistula; tunica vaginalis; urethral trauma; urethral tear; urethral defect.

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