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Urethral cutaneous fistula correction using an autologous tunica vaginalis pedicle flap in a four-year-old intact male German shepherd dog
Van de Wetering, Klaas-Jan; Elliott, Ross Christopher
Urethral cutaneous fistulas are rarely reported in dogs. 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.