Abstract
Early gastric cancer patients have a good prognosis after radical resection. However, if the patients have a gastric remnant after the surgery, the risk of metachronous gastric cancer remains. The aim of this study was to clarify the risk factors for metachronous gastric cancer after partial gastrectomy for early gastric cancer. Data on a series of 1281 consecutive gastrectomy patients with pathologically confirmed early gastric cancer from 1991 to 2007 in Shikoku Cancer Center were analyzed retrospectively. The gastric remnants of 868 patients were periodically surveyed by endoscopic examination. Among those surveyed cases, 26 patients were diagnosed as having metachronous gastric cancer in the gastric remnant. They underwent curative resection by remnant gastrectomy (n = 13 patients) or endoscopic mucosal resection (n = 13 patients). Multivariate analysis showed that male sex, older age, submucosal invasion, and proximal gastrectomy were independent risk factors. Our data suggested that more intensive endoscopic follow-up is needed for the remnant stomach in patients with these risk factors to detect metachronous gastric cancer at its early stage.
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