An 8-year-old sexually intact male white alpaca was submitted for necropsy after being referred to a private veterinary hospital because of a history of circling and ataxia for a few hours.
Clinical and Gross Findings
Physical examination performed by the referring veterinarian did not reveal any other abnormalities, but the clinical signs rapidly progressed and the alpaca died 24 hours later. No neurologic examination was performed. At necropsy, the carcass was in good body condition. A well-demarcated, sessile, white, and firm nodule measuring 3 cm in diameter was attached to the gingival surface of the gum at the level
Dr. Rosa's present address is Laboratório de Patologia Veterinária, Universidade Federal de Santa Maria, CEP 971005-900, Rio Grande do Sul, Brazil.
Dr. Rosa was a visiting student supported by the CAPES/FIPSE Program (process 083/09) at the Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602.