Mucinous Adenocarcinoma and T-Cell Lymphoma in the Small Intestine of 2 Vietnamese Potbellied Pigs (Sus scrofa)

Small intestinal T-cell lymphoma and mucinous adenocarcinoma are rarely reported in the pig, with most lymphomas being of B-cell origin and only a single report of mucinous adenocarcinoma. Two aged Vietnamese potbellied pigs had concurrent T-cell lymphoma and mucinous adenocarcinoma of the small int...

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Bibliographic Details
Published in:Veterinary Pathology 2011-09, Vol.48 (5), p.1004-1007
Main Authors: Corapi, W. V., Rodrigues, A., Lawhorn, D. B.
Format: Article
Language:English
Subjects:
Adenocarcinoma, Mucinous - pathology
Adenocarcinoma, Mucinous - veterinary
Animals
Fatal Outcome
Immunohistochemistry - veterinary
Intestinal Neoplasms - pathology
Intestinal Neoplasms - veterinary
Lymphoma, T-Cell - pathology
Lymphoma, T-Cell - veterinary
Male
Swine
Swine Diseases - pathology
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Summary:Small intestinal T-cell lymphoma and mucinous adenocarcinoma are rarely reported in the pig, with most lymphomas being of B-cell origin and only a single report of mucinous adenocarcinoma. Two aged Vietnamese potbellied pigs had concurrent T-cell lymphoma and mucinous adenocarcinoma of the small intestine. The lymphomas formed polypoid masses that projected into the intestinal lumen, whereas the mucinous adenocarcinomas were mural masses that bulged from the serosal surface. Immunohistochemically, neoplastic cells within the lymphomas were positive for CD3 and negative for CD79a. Mucicarmine stain highlighted the abundant cytoplasmic and extracellular mucin in the adenocarcinomas.
ISSN:0300-9858
1544-2217
DOI:10.1177/0300985810386465