期刊
WORLD JOURNAL OF GASTROENTEROLOGY
卷 21, 期 8, 页码 2563-2567出版社
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v21.i8.2563
关键词
Rectum; Tonsil; Lymphoid hyperplasia; Rectal tonsil; Lymphoid follicles
The rectal tonsil, a reactive proliferation of lymphoid tissue located in the rectum, is rare. Histologically, benign lymphoid hyperplasia of the rectum is usually characterized by large lymphoid follicles with active germinal centers and a narrow surrounding mantle zone and marginal zone. This lesion is benign, but must be differentiated from the polypoid type of mucosa-associated lymphoid tissue lymphomas. In the current paper, we present a case of rectal tonsil in a 59-year-old woman. We describe the endoscopic ultrasound imaging findings with literature review.
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