A 7-year-old 5.31-kg (11.68-lb) castrated male American Shorthair was admitted to the College of Veterinary Medicine at the University of Tennessee for evaluation of vomiting, lethargy, and anorexia of 3 days' duration. The cat was allowed indoor and outdoor access, and its vaccination status was current. The cat regularly received heartworm and flea preventatives. Previous history included urinary tract infections, but none had developed in the preceding 4 years.
Clinical and Gross Findings
The cat had a body condition score of 7 (scale of 9), and the remainder of the physical examination findings were considered normal. A CBC revealed