GASTROENTEROLOGICAL ENDOSCOPY
Online ISSN : 1884-5738
Print ISSN : 0387-1207
ISSN-L : 0387-1207
A CASE OF ANGIOIMMUNOBLASTIC T-CELL LYMPHOMA WITH AGGRESSIVE COLONIC INVOLVEMENT
Junko NISHIYuko MORISHITAShiho MIYASEKatsuki HARAOKAYoshihiro OUCHIDAShigetoshi FUJIYAMAHitoshi SUZUSHIMATakaaki ITO
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2015 Volume 57 Issue 2 Pages 154-158

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Abstract

A 77-year-old man complained of weight loss and tarry stools. Gastroscopy revealed a duodenal ulcer and multiple duodenal erosions. Contrast-enhanced abdominal computed tomography revealed severe circumferential wall thickening of the descending colon, sigmoid colon, and rectum. 18F-fluorodeoxyglucose positron emission tomography showed diffuse uptake in the colorectal wall. Colonoscopic examination revealed focal hyperemia and edema of the mucosa, and a biopsy of colonic mucosal tissue showed the characteristic histological features of T-cell lymphoma. An inguinal lymph node biopsy revealed the characteristic histological features of angioimmunoblastic T-cell lymphoma (AITL). The lower digestive tract is an unusual site for extranodal AITL.

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© 2015 Japan Gastroenterological Endoscopy Society
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