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- W1035606891 abstract "Objective: Helicobacter pylori eradication has widely accepted as a primary treatment for gastric marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT). We evaluated long-term clinical outcome of low-grade gastric MALT lymphoma in a single center. Methods: From 1996 to 2010, a total of 205 H. pylori-infected patients with lowgrade gastric MALT lymphoma were prospectively enrolled in Seoul National University Hospital. Twelve patients were excluded due to presence of extra-gastric MALT lymphoma or other malignancy at initial diagnosis. Complete remission (CR) was defined as no endoscopic findings of lymphoma, and histopathology of complete histological response (ChR) or probable minimal residual disease (pMRD). Tumor response to H. pylori eradication therapy was evaluated by endoscopy and histopathology every 2-3 months till CR and every 6-12 months after achieving CR. Results: Median follow-up period was 5.4 years (range, 1.0-14.4 years). H. pylori was successfully eradicated in 187 (96.9%) of 193 eligible patients. CR was obtained in 170 (88.1%) patients and the median time to achieve CR was 3 months (range, 1-20 months) after H. pylori eradication therapy. Tumor recurrence was found in 7 (4.1%) patients and the median tumor recurrence time was 13 months (range, 3-61 months) after achieving CR. Cumulative recurrence rate was 1.9, 4.2 and 7.8% at 1, 3 and 5 years, respectively. Disease-free survival was 97.0, 96.1 and 94.8% at 3, 5 and 7 years, respectively. Other malignancies were found in 8 (4.1%) of 193 patients, none of whom had metachronous gastric cancer. Five-year and 10-year overall survival rate was 99.4 and 97.4%, respectively. Tumors of the proximal stomach (mid-body to fundus) (odds ratio [OR] 4.39, 95% confidence interval [CI] 1.34-14.43; p=0.015) and low serum total cholesterol level (,170 mg/dL) (OR 4.17, 95% CI 1.27-13.71; p=0.019) increased the risk of non-CR after H. pylori eradication therapy. Conclusions: Most patients with low-grade gastric MALT lymphoma treated by H. pylori eradication therapy showed excellent long-term outcomes. Serum total cholesterol might be a novel predictive marker for tumor response to H. pylori eradication therapy." @default.
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- W1035606891 date "2013-05-01" @default.
- W1035606891 modified "2023-10-16" @default.
- W1035606891 title "Tu1086 Management Strategy for Small Duodenal Carcinoid Tumors: Does Conservative Management With Close Follow-up Represent an Alternative to Endoscopic Treatment?" @default.
- W1035606891 doi "https://doi.org/10.1016/s0016-5085(13)62802-4" @default.
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