Hypospadias in dogs is a rare pathology in the veterinary practice. The manifestation of hypospadias in dogs is diverse, since there is a varying degree of damage to the urogenital apparatus. The owners of a Sheltie puppy at the age of 3 days came to the clinic due to the difficulty of determining sex, the presence of inflammation of the anus and abdominal skin, defecation and urination violations. Clinical examination of the puppy showed a blind-closed preputial sac, absence of the ventral wall of the prepuce and an open urogenital urine trough was located in its place in the abdominal wall area. On examination of the puppy at the age of 28 days, hyperaemia and swelling of the anus were noted, as well as prolapse of the rectum. Findings of the examination at the age of 4 months consisted of drying of the mucous part of the open urogenital canal chute and accumulation of pus in the underdeveloped preputial sac. Bilateral cryptorchidism and the absence of the scrotum were also found out. A decision on the surgical treatment was made. The anus and the opening of the urethra were separated to form a urethrostomy in the scrotum and restore the integrity of the anus. On the 5th post operative day, oedema and stricture of the reconstructed urethra resulted in difficulty urinating, followed by the formation of urinary fistula in the perineal region below the anus opening. As a result of the chosen surgical treatment approach, the problem with contact dermatitis of the perineum and pollakiuria was solved.

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This article presents the experience of treating a child with stenosis of a colo-rectal instrumental anastomosis imposed due to Hirschsprung’s disease.