Abstract

Gastric adenoma with high-grade dysplasia (HGD) is an obvious precancerous lesion and needs aggressive treatment, such as surgery or endoscopic submucosal dissection(ESD). However, the natural history of low-grade dysplasia (LGD)varies, and there is no treatment guideline for LGD. This study was performed to evaluate the risk factors for the progression of LGD to HGD or early gastric cancer (EGC) after endoscopic treatment. To determine the appropriate treatment for LGD,we compared the rates of complication, recurrence, and remnant lesions between ESD and endoscopic mucosal resection(EMR).

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