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随着消化内镜器械的研发和操作技术、治疗技术的不断进步,结直肠癌前病变的检出率得以显著提高[1]。早期诊断、早期治疗可改善结直肠癌患者的预后。通常情况下,肠道内带蒂息肉给予内镜下黏膜切除术(EMR)即可获得满意效果[2];但对广基扁平病变,尤其是经病理检查证实为高级别上皮内瘤变的病变,EMR难以实现整块完整切除。2012年8月—2014年4月,我们对结直肠广基癌前病变237例行内镜黏膜下
With the development of digestive endoscopy equipment and operation technology, treatment technology continues to progress, the detection rate of colorectal precancerous lesions has been significantly improved [1]. Early diagnosis, early treatment can improve the prognosis of patients with colorectal cancer. Often, satisfactory results are obtained with endoscopic mucosal resection (EMR) of pedunculated polyps in the intestine [2]; however, extensive and flat lesions, especially those with high-grade intraepithelial neoplasia confirmed by pathology , EMR difficult to achieve a complete block removal. From August 2012 to April 2014, we performed 237 patients with colorectal wide-basal precancerous lesions under endoscopic mucosal