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KMID : 0359020080360020102
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Korean Journal of Gastrointestinal Endoscopy
2008 Volume.36 No. 2 p.102 ~ p.106
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A Case of Primary B Cell Mucosa-associated Lymphoid Tissue Lymphoma Presenting as a Solitary Rectal Mass
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Kim Jong-Hoon
Moon Young-Soo
Lee Seuk-Hyun
Park Jun-Sup
Bae Won-Ki
Kim Nam-Hoon
Chang Sun-Hee
Kim Kyung-Ah
Lee Hye-Ran
Lee June-Sung
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Abstract
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Primary extranodal B cell lymphoma of mucosa- associated lymphoid tissue (MALT) can develop in diverse anatomic locations such as the stomach, salivary gland, thyroid, lung, and breast. Its distribution in the GI tract is as follows: 50∼60% in the stomach, 20∼30% in the small intestine and ileocecal area and 10% in the colorectal area. Although autoimmune and infectious diseases are known as the main etiologies, H. pylori infection has been clearly shown to play a causative role in lymphomagenesis, especially in the stomach. H. pylori eradication therapy only can induce disease remission nearly in 80% of the cases of gastric MALT lymphoma. However, there is lack of evidence for the extragastric area. In this case, a 71-year-old woman with low abdominal pain was diagnosed as having a rectal MALT lymphoma that was noted as a solitary rectal mass in a colonoscopic examination. Remission induction was commenced by H. pylori eradication and radiation therapy. (Korean J Gastrointest Endosc 2008;36:102-106)
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KEYWORD
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Mucosa associated lymphoid tissue lymphoma, Rectum, Helicobacter pylori eradication, Radiotherapy
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