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Abstract

CASE DESCRIPTION A 14-week-old 7.7-kg (16.9-lb) sexually intact female Golden Retriever was evaluated because of urine dripping from the caudoventral aspect of the abdomen.

CLINICAL FINDINGS Ultrasonography, radiography, excretory CT urography, and vaginocystourethroscopy were performed. Results indicated eversion of the bladder through the ventral abdominal wall with exposure of the ureterovesicular junctions, pubic diastasis, and an open vulva and clitoral fossa. Clinical findings were suggestive of bladder exstrophy, a rare congenital anomaly.

TREATMENT AND OUTCOME The dog was anesthetized and bilateral ileal osteotomies were performed. Two ureteral catheters were passed retrograde into the renal pelves under fluoroscopic guidance. The lateral margins of the bladder, bladder neck, and urethra were surgically separated from the abdominal wall, and the bladder was closed, forming a hollow viscus. The symphysis pubis was closed on midline with horizontal mattress sutures. The defects in the vestibule and clitoral fossa were closed. Lastly, the iliac osteotomies were stabilized. The dog was initially incontinent with right hind limb sciatic neuropraxia and developed pyelonephritis. Over time, the dog became continent with full return to orthopedic and neurologic function, but had recurrent urinary tract infections, developed renal azotemia likely associated with chronic pyelonephritis, and ultimately was euthanized 3.5 years after surgery because of end-stage kidney disease.

CLINICAL RELEVANCE Bladder exstrophy and epispadias is a treatable but rare congenital abnormality. The procedure described could be considered for treatment of this condition, but care should be taken to monitor for urinary tract infections and ascending pyelonephritis.

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in Journal of the American Veterinary Medical Association