Identification of colorectal tumors and non-neoplastic lesions by magnifying endoscopy with narrow-band imaging（NBI-ME）
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摘要: [目的]探讨窄带成像放大内镜技术(NBI-ME)鉴别大肠肿瘤性病变与非肿瘤性病变的研究。[方法]本研究病例来源于我院内镜室2012年3月~2015年3月期间行结肠镜检查的413例患者,发现大肠新生物或息肉样病变者156例入选作为研究对象。分别采用普通内镜技术与NBI-ME内镜技术鉴别大肠肿瘤性病变与非肿瘤性病变准确性、特异性、敏感性及清晰度。[结果]NBI-ME内镜诊断肿瘤性病变准确性94.8%、特异性93.9%、敏感性94.3%,普通内镜诊断肿瘤性病变准确性68.5%、特异性71.2%、敏感性70.6%。NBI-ME内镜诊断肿瘤性病变准确性、特异性、敏感性均明显高于普通内镜(P＜0.05);NBI-ME内镜检测微血管、腺管开口形态及病变轮廓清晰度评分均明显高于普通内镜,且差异有统计学意义(P＜0.05)。[结论]NBI-ME鉴别大肠肿瘤性病变与非肿瘤性病变准确性高、特异性高、敏感性高,且能够更清晰地显示微血管形态、腺管开口形态及病变轮廓,故而该技术具有重要诊断鉴别意义。
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关键词:
- 窄带成像放大内镜技术 /
- 大肠肿瘤性病变 /
- 非肿瘤性病变
Abstract: [Objective] To investigate the effect of magnifying endoscopy with narrow-band imaging(NBI-ME)in the identification of colorectal tumors and non-neoplastic lesions.[Methods] Among 413 patients who underwent colonoscopy from March 2012 to March 2015 in our hospital,156 cases of neoplasm or polyp-like lesions of large intestine were selected as the research object.Common endoscopic technique and NBI-ME endoscopic technique were applied respectively for the diagnosis of colon tumors and non-neoplastic lesions to compare accuracy,specificity,sensitivity and clarity.[Results] The accuracy of diagnosis of tumor lesions by NBI-ME was 94.8%,specificity 93.9%,sensitivity 94.3%.The accuracy of diagnosis of tumor lesions was 68.5%,specificity 71.2%,sensitivity 70.6%.The accuracy,specificity and sensitivity of NBI-ME were significantly higher than those of common endoscopy in the diagnosis of tumor lesions(P＜0.05);NBI-ME detection of endoscopic clarity of microvascular morphology,gland duct pattern and the lesion profile scores were significantly higher than those of ordinary endoscopy(P＜0.05).[Conclusion] NBI-ME had high accuracy,specificity and sensitivity to identify colorectal neoplasm lesion and non-neoplastic lesions,displaying more clearly microvascular morphology,gland duct pattern and the lesion profile,and showing important significance of diagnostic identification. -
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