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Narrow-band imaging observation of colorectal lesions using NICE classification to avoid discarding significant lesions

引用

World Journal of Gastrointestinal Endoscopy 2014年第12期6卷 600-605页

作者： Santa Hattori Mineo Iwatate Wataru Sano Noriaki Hasuike Hidekazu Kosaka Taro Ikumoto Masahito Kotaka Akihiro Ichiyanagi Chikara Ebisutani Yasuko Hisano Takahiro Fujimori Yasushi Sano Gastrointestinal Center and Institute of Minimally Invasive Endoscopic Care Sano Hospital Department of Gastroenterology Kobe Minimally Invasive Treatment Center of Cancer Medical Oncology/Hematology Kobe University Graduate School of Medicine Department of Pathology Shinko Hospital

AIM: To assess the risk of failing to detect diminutive and small colorectal cancers with the "resect and discard" ***: Patients who received colonoscopy and polypectomy were recruited in the retrospective study. Probable histology of the polyps was predicted by six colonoscopists by the use of NICE classification. The incidence of diminutive and small colorectal cancersand their endoscopic features were assessed. RESULTS: In total, we found 681 cases of diminutive(1-5 mm) lesions in 402 patients and 197 cases of small(6-9 mm) lesions in 151 patients. Based on pathology of the diminutive and small polyps, 105 and 18 were non-neoplastic polyps, 557 and 154 were low-grade adenomas, 18 and 24 were high-grade adenomas or intramucosal/submucosal(SM) scanty invasive carcinomas, 1 and 1 were SM deeply invasive carcinoma, respectively. The endoscopic features of invasive cancer were classified as NICE type 3 ***: The risk of failing to detect diminutive and small colorectal invasive cancer with the "resect and discard" strategy might be avoided through the use of narrow-band imaging observation with the NICE classification scheme and magnifying endoscopy.

关键词： Image-enhanced endoscopy Narrow-band imaging Resect and discard NICE classification magnifying endoscope Colonoscopy SM-d

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