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KMID : 1188320120060040446
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Gut and Liver
2012 Volume.6 No. 4 p.446 ~ p.451
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Is Endoscopic Mucosal Resection a Sufficient Treatment for Low-Grade Gastric Epithelial Dysplasia?
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Kim Seul-Young
Sung Jae-Kue
Moon Hee-Seok
Kim Kyu-Seop
Jung Il-Soon
Yoon Beom-Yong
Kim Beom-Hee
Ko Kwang-Hun
Jeong Hyun-Yong
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Abstract
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Background/Aims:The rate of diagnosis of gastric adenoma has increased because esophagogastroduodenoscopy is being performed at an increasingly greater frequency. However, there are no treatment guidelines for low-grade dysplasia (LGD). To determine the appropriate treatment for LGD, we evaluated the risk factors associated with the categorical upgrade from LGD to high grade dysplasia (HGD)/early gastric cancer (EGC) and the risk factors for recurrence after endoscopic treatment.
Methods:We compared the complication rates, recurrence rates, and remnant lesions in 196 and 56 patients treated with endoscopic submucosal dissection (ESD) and endoscopic mucosal resection (EMR), respectively, by histologically confi rming low-grade gastric epithelial dysplasia.
Results:The en bloc resection rate was significantly lower in the EMR group (31.1%) compared with the ESD group (75.0%) (p<0.001). However, no significant difference was observed in the prevalence of remnant lesions or recurrence rate (p=0.911) of gastric adenoma. The progression of LGD to HGD or EGC caused an increase in the incidence of tumor lesions >1 cm with surface redness and depressions.
Conclusions:For the treatment of LGD, EMR resulted in a higher incidence of uncertain resection margins and a lower en bloc resection rate than ESD. However, there was no signifi cant difference in recurrence rate.
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KEYWORD
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Adenoma, Low-grade dysplasia, Endoscopic mucosal resection, Endoscopic submucosal dissection
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