Calcium oxalate urolithiasis in the canine: surgical management and preventative strategies.

A 4-year-old, neutered male Chihuahua was presented with inappetance, lethargy, and a tense abdomen attributed to pain. Abdominal radiographs revealed a large cystic calculus and small urethral calculi. Urethral hydropulsion followed by cystotomy were performed successfully. Dietary management was initiated as the primary means of preventing recurrence.