Combined Use of Intravesicular Ureteroneocystostomy Techniques to Correct Ureteral Ectopia in a Male Cat

A 2 yr old castrated male Himalayan presented for evaluation and treatment of persistent urinary incontinence that had been present since birth. Ultrasonographic evaluation of the urinary tract revealed suspected bilateral, extramural, ureteral ectopia that was confirmed at the time of surgical exploration. Marked left hydroureter and a normal right ureter were found entering the urethra similar to 2 cm caudal to the bladder neck. An intravesicular mucosal apposition (modified Leadbetter-Politano) and "dropin" ureteroneocystostomy techniques were used for reimplantation of the left and right ureter, respectively. Postoperatively, the cat gained urinary continence and remained continent and clinically normal 6 mo following surgery.