Korean J Gastrointest Endosc > Volume 35(4); 2007 > Article
Korean Journal of Gastrointestinal Endoscopy 2007;35(4): 272-276.
다발성 점막하종양 형태로 발현된 원발성 직장 MALT 림프종 1예
연세대학교 의과대학 내과학교실, *병리학교실, 수원연세내과의원
A Case of Primary Rectal MALT Lymphoma Presented as Multiple Submucosal Tumors
Hee Sun Mun, M.D., Hyo Jin Park, M.D., Ki Byung Lee, M.D., In Su Jung, M.D., Woo Ick Yang, M.D.*, Soon Won Hong, M.D.* and Jung Hwan Kim, M.D.
Departments of Internal Medicine and *Pathology, Yonsei University College of Medicine, Seoul, Suwon Yonsei Clinic of Internal Medicine, Suwon, Korea
MALT (mucosa-associated lymphoid tissue) lymphomas are the most common primary gastrointestinal (GI) lymphomas. MALT lymphomas of the GI tract tend to occur most commonly in the stomach, followed by the small intestine, ileocecal area, colon and the esophagus. However, MALT lymphomas of the large intestine are rare. Previously, a diagnosis was commonly established by the surgical specimens but endoscopic biopsy specimens are currently used to make a diagnosis. A 61-year-old woman was found to have multiple submucosal tumors of the rectum during a screening colonoscopy. The tumors were removed by a polypectomy. The histology revealed the diffuse infiltration of centrocyte-like cells and a lymphoepithelial lesion. Immunohistochemical staining confirmed the diagnosis of a low grade B cell lymphoma of the MALT type. No other site of involvement was identified on the CT of the chest, abdomen and pelvis. (Korean J Gastrointest Endosc 2007;35:272-276)
Key Words: Lymphoma, Mucosa-associated lymphoid tissue, Rectum
주요어: 림프종, Mucosa-associated lymphoid tissue, 직장
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