Gut Liver.  2010 Mar;4(1):117-121.

Ileal Mucosa-Associated Lymphoid Tissue (MALT) Lymphoma with a Large-Cell Component That Regressed Spontaneously

Affiliations
  • 1Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan. hsuzuki@sc.itc.keio.ac.jp
  • 2Department of Pathology, Keio University School of Medicine, Tokyo, Japan.
  • 3Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan.

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.

Keyword

Mucosa-associated lymphoid tissue lymphoma; Large cell component; Regression; Ileum, Low grade

MeSH Terms

Ileum
Lymphoid Tissue
Lymphoma
Lymphoma, B-Cell, Marginal Zone
Lymphoma, Non-Hodgkin
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