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Diagnostic exercise: submucosal gastric masses in a cat


Brosinski, K; Burkhardt, W A; Venzin, C; Grest, P (2013). Diagnostic exercise: submucosal gastric masses in a cat. Veterinary Pathology, 50(2):350-353.

Abstract

A 14-year-old neutered male cat presenting with chronic vomiting had 2 masses within the submucosa of the stomach that were excised. They presented histologically as circumscribed, submucosal masses consisting of diffusely arranged medium-sized round cells with a moderate amount of cytoplasm and interspersed eosinophils, separated by trabecular fibroblastic stroma. The overlying mucosa was diffusely infiltrated by the same round cells, and marked epitheliotropism was present. Neoplastic cells labelled positive for CD3 and negative for CD79a and CD117. Giemsa staining and silver staining (SNOBA) were also negative. A T-cell lymphoma with reactive fibroplasia was diagnosed, and differential diagnoses including mast cell tumor and feline gastrointestinal eosinophilic sclerosing fibroplasia could be excluded.

A 14-year-old neutered male cat presenting with chronic vomiting had 2 masses within the submucosa of the stomach that were excised. They presented histologically as circumscribed, submucosal masses consisting of diffusely arranged medium-sized round cells with a moderate amount of cytoplasm and interspersed eosinophils, separated by trabecular fibroblastic stroma. The overlying mucosa was diffusely infiltrated by the same round cells, and marked epitheliotropism was present. Neoplastic cells labelled positive for CD3 and negative for CD79a and CD117. Giemsa staining and silver staining (SNOBA) were also negative. A T-cell lymphoma with reactive fibroplasia was diagnosed, and differential diagnoses including mast cell tumor and feline gastrointestinal eosinophilic sclerosing fibroplasia could be excluded.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Pathology
05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:2013
Deposited On:03 Oct 2012 14:04
Last Modified:05 Apr 2016 15:58
Publisher:American College of Veterinary Pathologists
ISSN:0300-9858
Publisher DOI:https://doi.org/10.1177/0300985812461361
PubMed ID:23012386
Permanent URL: https://doi.org/10.5167/uzh-64955

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