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Vet Pathol 43:358-362 (2006)
© 2006 American College of Veterinary Pathologists
BRIEF COMMUNICATIONS AND CASE REPORTS

Gastric Adenocarcinoma and Chronic Gastritis in Two Related Persian Cats

M. M. Dennis, N. Bennett and E. J. Ehrhart

Abstract

Two 12.5-year-old castrated male Persian cats from the same household, whose dams were littermates, presented simultaneously with gastric adenocarcinoma associated with proliferative and fibrosing gastritis. Intralesional adult Ollulanus tricuspis nematodes and rare surface-associated spiral-shaped bacteria were identified in one cat. No etiologic agents were identified in tissues from the second cat; however, gastric mucosa was examined following anthelmintic treatment. Clinical signs in each cat had commenced 2 months apart and included vomiting, hematemesis, intermittent melena, and weight loss. This is the first report of gastric adenocarcinoma occurring in housemate cats or cats of common descent. Carcinogenesis may have been influenced by shared undetermined genetic and environmental factors, possibly including Ollulanus tricuspis, spiral-shaped bacteria, or other etiologies for chronic gastritis that remain unidentified.

Key words: Adenocarcinoma; cats; gastritis; Helicobacter; nematodes; neoplasia; Ollulanus tricuspis; parasite.

Request reprints from Michelle Dennis, 308 Pathology Bldg., 1619 Campus Delivery, Colorado State University, Fort Collins, CO 80523 (USA). E-mail: Michelle.Dennis{at}colostate.edu


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Copyright © 2006 by the American College of Veterinary Pathologists.