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KMID : 0914820010010010060
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Journal of the Korean Gastric Cancer Association
2001 Volume.1 No. 1 p.60 ~ p.63
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Clinical Analysis of MALT Lymphoma in the Stomach
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Paik Kwang-Yeol
Noh Jae-Hyung
Heo Jin-Seok
Sohn Tae-Sung
Choi Seong-Ho
Cho Jae-Won
Kim Yong-Il
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Abstract
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Purpose: The aim of this study was to analyze the clinical and the histopathological characteristics of mucosa associated lymphoid tissue (MALT) lymphomas in the stomach.
Materials and Methods: We retrospectively reviewed the medical records of 22 patients who had been treated at Samsung Medical Center from Jan. 1995 to Sep. 2000 and who had been pathologically proven to have a MALT lymphoma. The factors we analyzed were operative procedure, tumor stage, and histopathological characteristics.
Results: Of 3658 patients with a gastric malignancy, 22 patients proved to have a MALT lymphoma (0.6%). There were 7 men and 15 women whose ages ranged from 25 years to 70 years (mean, 48.8 years). Forteen cases were located in the antrum, 4 (18%) in the body and 4 (18%) in the fundus or the high body. Nineteen of these patients were managed with total gastrectomy and splenectomy and 3 with radical subtotal gastrectomy. Histopathologically the tumor was limited to the mucosa in 3 patients (13.6%), to the submucosa in 13 (59.1%) and extended to the muscularis propria in 6 (27.3%). Lymph node involvement was seen in 12 patients (54.6%). There was no splenic or hepatic involvement. Bone marrow involvement was not seen in any patients. H. pylori was identified in 11 patients (50%). During the mean follow-up period of 32.7 months, there were no reports of tumor recurrence or death.
Conclusion:MALT lymphomas rarely disseminate by the time of diagnosis and rarely involve the bone marrow. Lymph node involvement is relatively high and a total gastrectomy is effective in managing patients with a MALT lymphoma.
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KEYWORD
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Mucosa associated lymphoid tissue (MALT) lymphoma, Stomach
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