Clinical Endoscopy

Hyun Jin Jo

1 Article

Low Grade Gastric Mucosa-associated Lymphoid Tissue Lymphoma: Clinicopathological Factors Associated with Helicobacter pylori Eradication and Tumor Regression: Yoon Jin Choi, Dong Ho Lee, Ji Yeon Kim, Ji Eun Kwon, Jae Yeon Kim, Hyun Jin Jo, Cheol Min Shin, Hyun Young Kim, Young Soo Park, Nayoung Kim, Hyun Chae Jung, In Sung Song; Clin Endosc 2011;44(2):101-108. Published online December 31, 2011; DOI: https://doi.org/10.5946/ce.2011.44.2.101

Background/Aims

Eradication of Helicobacter pylori is widely accepted as initial therapy for low-grade gastric mucosa-associated lymphoid tissue (MALT) lymphoma. However, approximately 20% of patients with this disease are not responsive to H. pylori eradication therapy. The aim of this study was to assess remission and relapse rates of low-grade gastric MALT lymphoma after H. pylori eradication and identify the clinical factors that affect remission.

Methods

Thirty-nine patients diagnosed with gastric MALT lymphoma (May 2003 to May 2010) were retrospectively analyzed.

Results

Of the 39 patients, 30 (77%) had a H. pylori infection. There were 35/39 (90%) patients with stage I. Among stage I, 25 patients with the infection underwent eradication therapy and 22/25 (88%) achieved remission. The total regression rate with eradication only in stage I was 24/28 (86%). The median time to remission was 98 days (range, 22 to 397 days). Age, tumor location, invasion depth, H. pylori burden, and severity of mononuclear leukocyte and neutrophil infiltration were not related to remission. However, patients with less neutrophil infiltration were more likely to achieve a successful first H. pylori eradication (p=0.049).

Conclusions

The results show that the rate of low-grade gastric MALT lymphoma regression (86%) with H. pylori eradication alone was higher than that in Western studies (77.8%) and that neutrophil infiltration was inversely related to success of the first H. pylori eradication procedure.

Citations

Citations to this article as recorded by

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