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Single stage urethroplasty for perineal hypospadias in a foal
Authors:J Harrison  K Corley  C Kearney  I Mushtaq
Institution:1. Urology Department, Great Ormond Street Hospital, London, UK;2. Anglesey Lodge Equine Hospital, The Curragh, Co Kildare, Ireland;3. School of Veterinary Medicine, University College Dublin, Belfield, Ireland
Abstract:The incidence of hypospadias is increasing in man, but the condition is rarely reported in horses. There are few available data regarding the surgical management of this disorder in horses, with no previous published report of urethral reconstructive surgery and only two reports documenting phallectomy procedures. This case report documents hypospadias repair, not previously reported in the horse, in a Thoroughbred foal with proximal hypospadias. The indication for surgery was contact dermatitis of the hind leg, which was impairing the foal's ambulation and had the potential to impair the foal's racing ability. Preoperative examination revealed a proximal hypospadias with a wide urethral plate. The anus was normal. The foal was otherwise thriving. A single stage urethroplasty was performed, during which the urethral plate was tubularised in two layers and the urethral meatus was successfully relocated distally to open upon the glans. The urethroplasty was covered with dartos fascia and the penile shaft skin and prepuce were reconstructed. Minor superficial dehiscence of the wound was successfully managed conservatively. Post‐operatively, urine was voided through the opening created on the glans penis, resolving the contact dermatitis. Follow‐up after 3 years confirmed that the horse continues to void through the re‐sited meatus without complication and had gone on to race successfully. In conclusion, we present the first report of reconstructive urethroplasty for the treatment of a horse for proximal hypospadias with good functionality and long‐term outcome.
Keywords:horse  hypospadias  reconstructive surgery  urethroplasty
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