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Vet Pathol 43:1000-1003 (2006)
© 2006 American College of Veterinary Pathologists
BRIEF COMMUNICATIONS AND CASE REPORTS

Retrospective Study on the Diagnostic Value of Full-Thickness Biopsies from the Stomach and Intestines of Dogs with Chronic Gastrointestinal Disease Symptoms

S. Kleinschmidt, F. Meneses, I. Nolte and M. Hewicker-Trautwein

Abstract

An evaluation of histologic findings in full-thickness biopsies from the gastrointestinal tract (GIT) from 64 dogs with chronic GIT disease symptoms was performed. In the majority of cases (38/64; 59%), intestinal lymphangiectasia and mucosal edema of unknown etiology were present. In 10 dogs (16%) an eosinophilic colitis, either alone or together with gastritis and/or enteritis, was found. In 5 dogs (8%) lymphocytic-plasmacytic enteritis or enterocolitis was diagnosed. Five dogs (8%) had an intestinal T-cell lymphoma. Samples from the remaining cases were histologically normal or did not allow for a final diagnosis. In contrast to reports about findings in endoscopic biopsies (which often are of varying quality or inadequate for diagnosis), in the majority of cases of this study, examination of full-thickness biopsies from the GIT allowed us to make a definitive histopathologic diagnosis. Furthermore, the study revealed that transmural biopsies are very helpful for diagnosing lymphoma.

Key words: Dog; eosinophilic gastroenteritis; full-thickness biopsies; gastrointestinal; inflammatory bowel disease; lymphangiectasia; lymphoma.

Request reprints from Dr. Marion Hewicker-Trautwein, Department of Pathology, School of Veterinary Medicine Hannover, Bünteweg 17, D-30559 Hannover (Germany). E-mail: Marion.Hewicker-Trautwein{at}tiho-hannover.de






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