期刊
GUT AND LIVER
卷 10, 期 2, 页码 228-236出版社
EDITORIAL OFFICE GUT & LIVER
DOI: 10.5009/gnl14472
关键词
Stomach neoplasms; Metastasis; Risk factors; Therapeutics
资金
- National Research Foundation of Korea (NRF) - Korea government (MSIP) [2011-0030001]
- National Research Foundation of Korea [2011-0030001] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Background/Aims: To identify the risk factors for meta-chronous gastric neoplasms in patients who underwent an endoscopic resection of a gastric neoplasm. Methods: We prospectively collected clinicopathologic data and measured the methylation levels of NANDI, THBD, APC, and MOS in the gastric mucosa by methylation-specific real-time polymerase chain reaction in patients who underwent endoscopic resection of gastric neoplasms. Results: A total of 257 patients with gastric neoplasms (113 low-grade dysplasias, 25 high-grade dysplasias, and 119 early gastric cancers) were enrolled. Metachronous gastric neoplasm developed in 7.4% of patients during a mean follow-up of 52 months. The 5-year cumulative incidence of metachronous gastric neoplasm was 4.8%. Multivariate analysis showed that moderate/severe corpus intestinal metaplasia and family history of gastric cancer were independent risk factors for metachronous gastric neoplasm development; the hazard ratios were 4.12 (95% confidence interval [CI], 1.23 to 13.87; p=0.022) and 3.52 (95% CI, 1.09 to 11.40; p=0.036), respectively. The methylation level of MOS was significantly elevated in patients with metachronous gastric neoplasms compared age- and sex matched patients without metachronous gastric neoplasms (p=0.020). Conclusions: In patients who underwent endoscopic resection of gastric neoplasms, moderate/severe corpus intestinal metaplasia and a family history of gastric cancer were independent risk factors for metachronous gastric neoplasm, and MOS was significantly hypermethylated in patients with metachronous gastric neoplasms.
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