Gut and Liver 2010; 4(1): 117-121 https://doi.org/10.5009/gnl.2010.4.1.117 Ileal Mucosa-Associated Lymphoid Tissue (MALT) Lymphoma with a Large-Cell Component That Regressed Spontaneously
Author Information
Yohsuke Makino*, Hidekazu Suzuki*, Toshihiro Nishizawa*, Kaori Kameyama, Tadakazu Hisamatsu*, Hiroyuki Imaeda, Makio Mukai, and Toshifumi Hibi*
*Division of Gastroenterology and Hepatology, Department of Internal Medicine and Department of Pathology, Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan

Hidekazu Suzuki
© The Korean Society of Gastroenterology, the Korean Society of Gastrointestinal Endoscopy, the Korean Society of Neurogastroenterology and Motility, Korean College of Helicobacter and Upper Gastrointestinal Research, Korean Association the Study of Intestinal Diseases, the Korean Association for the Study of the Liver, Korean Pancreatobiliary Association, and Korean Society of Gastrointestinal Cancer. All rights reserved.

Abstract
Reported herein is a case of mucosa-associated lymphoid tissue (MALT) lymphoma of the terminal ileum with a large-cell component, which regressed spontaneously. To the best of our knowledge, only five cases of spontaneously regressing MALT lymphoma have been reported in the English-language literature, and all of these cases were low-grade lymphomas. Spontaneous regression of a MALT lymphoma with a high-grade component is very rare. The present case suggests that MALT lymphoma cells have a reversible nature, even in the presence of a high-grade component. (Gut Liver 2010;4:117-121)
Keywords: Mucosa-associated lymphoid tissue lymphoma; Large cell component; Regression; Ileum, Low grade
Abstract
Reported herein is a case of mucosa-associated lymphoid tissue (MALT) lymphoma of the terminal ileum with a large-cell component, which regressed spontaneously. To the best of our knowledge, only five cases of spontaneously regressing MALT lymphoma have been reported in the English-language literature, and all of these cases were low-grade lymphomas. Spontaneous regression of a MALT lymphoma with a high-grade component is very rare. The present case suggests that MALT lymphoma cells have a reversible nature, even in the presence of a high-grade component. (Gut Liver 2010;4:117-121)
Keywords: Mucosa-associated lymphoid tissue lymphoma; Large cell component; Regression; Ileum, Low grade
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