Long Term Clinical Outcomes of Gastric Mucosa-Associated Lymphoid Tissue Lymphoma: A Single Center Study

Author:

Koh Seong HyunORCID,Yeo Seung HyunORCID,Park Moo InORCID,Jung KyoungwonORCID,Kim Sung EunORCID,Moon WonORCID,Park Seun JaORCID

Abstract

Objectives: Few studies have reported long-term follow-up after treatment of gastric mucosaassociated lymphoid tissue (MALT) lymphoma. In this single-center study, we investigated longterm treatment outcomes in patients diagnosed with gastric MALT lymphoma.Methods: The study included 80 patients diagnosed with gastric MALT lymphoma, who were followed up at a single center between January 2005 and December 2019 after <i>Helicobacter pylori</i> eradication therapy, radiotherapy, or chemotherapy. We evaluated complete remission, improvement, or recurrence of the lesion. Follow-up over >60 months was classified as long-term follow-up, and the progression-free survival rate was recorded.Results: Following <i>H. pylori</i> eradication treatment, complete remission occurred in 85.9% (55/64) of <i>H. pylori</i>-positive and 50.0% (3/6) of <i>H. pylori</i>-negative patients. All patients with gastric MALT lymphoma who did not respond to <i>H. pylori</i> eradication therapy (100.0% [6/6]) achieved complete remission following administration of local radiotherapy. We observed no deaths on long-term follow-up (>60 months), and the progression-free survival was 101 months.Conclusions: In this study, patients with gastric MALT lymphoma showed excellent survival rates, progression-free survival, and prognosis on long-term follow-up. Prospective studies are warranted to determine the long-term prognosis of gastric MALT lymphoma after treatment.

Publisher

Korean College of Helicobacter and Upper Gastrointestinal Research

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