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Case Reports
. 1999 Dec;38(12):957-61.
doi: 10.2169/internalmedicine.38.957.

Primary duodenal MALT lymphoma

M Toshima  1 , K Aikawa, K Soga, K Shibasaki, K Yoshida, I Emura
Affiliations
Free article
Case Reports

Primary duodenal MALT lymphoma

M Toshima et al. Intern Med. 1999 Dec.
Free article

Abstract

Primary duodenal MALT lymphoma (MALToma) is a very rare neoplasm arising from the mucosa-associated lymphoid tissue of the duodenum. We report a 55-year-old woman with MALToma located in the descending duodenum and accompanying Helicobacter pylori infection of the stomach. We performed operative resection due to involvement of the papilla of Vater and submucosal tumor infiltration. Despite wide mucosal spreading, postoperative examination revealed only a small amount of MALToma cells infiltrating into the submucosa. No invasion into the adjacent structure or metastasis to regional lymph nodes was confirmed, suggesting the disease could have been controlled by eradication of Helicobacter pylori.

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