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Prevalence and implications of bone marrow involvement in patients with gastric mucosa-associated lymphoid tissue lymphoma

Gut and Liver, ISSN: 2005-1212, Vol: 12, Issue: 3, Page: 278-287
2018
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Article Description

Background/Aims: Mucosa-associated lymphoid tissue (MALT) lymphoma of the stomach is an uncommon disease. Bone marrow involvement is reported even in patients with only a mucosal lesion. We evaluated the prevalence and risk factors of marrow involvement and its implications for diagnosis and treatment. Methods: In total, 132 patients who were diagnosed with gastric MALT lymphoma at the National Cancer Center in Korea between January 2001 and December 2016 were enrolled in the study. The patient data were collected and analyzed retrospectively. Results: Of the 132 patients, 47 (35.6%) were male, with a median age of 52 years (range, 17 to 81 years). The median follow-up duration was 48.8 months (range, 0.5 to 169.9 months). Helicobacter pylori infection was detected in 82 patients (62.1%). Most patients (80.3%) had stage IE1 according to the modified Ann Arbor staging system. Ninety-two patients underwent bone marrow evaluation, and four patients (4.3%) had marrow involvement. Of these patients, one presented with abdominal lymph node involvement, while the other three had stage IE1 disease if marrow involvement was disregarded. All three patients had no significant symptoms and were monitored after local treatment without evidence of disease aggravation. Conclusions: Bone marrow involvement was found in 4.3% of the patients with gastric MALT lymphoma. Bone marrow examination may be deferred because marrow involvement does not change the treatment options or outcome in gastric MALT lymphoma confined to the stomach wall.

Bibliographic Details

Choi, Sang Il; Kook, Myeong-Cherl; Hwang, Sanghyun; Kim, Young-Il; Lee, Jong Yeul; Kim, Chan Gyoo; Choi, Il Ju; Lee, Hyewon; Eom, Hyeon Seok; Cho, Soo-Jeong

The Editorial Office of Gut and Liver

Medicine

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