【摘要】 目的　探讨放大内镜结合黏膜染色技术在诊断大肠黏膜平坦型病变的临床价值。方法　在放大内镜检查中 ,发现病灶后 ,对病灶喷洒靛胭脂 ,采用放大内镜观察病灶表面腺管开口形态 ,根据Kudo分型作出放大内镜诊断。结果　在 3 42处病灶中 ,发现侧向发育型肿瘤 (LST) 13个 ,平坦隆起型病变 (Ⅱa) 10个 ,表面平坦型病变 (Ⅱb) 5个 ,单纯凹陷型病变 (Ⅱc) 1个 ,检出率分别为 3 80 %,2 92 %,1 46%,0 3 0 %。其中Ⅱa ,Ⅱb和Ⅱc病变共 16个 ,占 4 68%,如将 13例LST计算在内 ,则占 8 48%。结论　放大内镜诊断平坦型病变有重要价值 ,能有效提高平坦型肿瘤的检出率更多还原

【Abstract】 Objective To evalulate the clinical value of magnifying endoscopy in combination with mucosa staining techniques in detection and diagnosis of colorectal flat lesions. Methods Once the lesions were detected by magnifying endoscopy, Indigo carmine was sprayed to observed the shape of the pit pattern and to make a diagnose based on Kudo standard of classification. Results There were 13 patients with LST, 10 patients with Ⅱa and 5 patients with Ⅱb, and 1 patient with Ⅱc were found in totally 342 lesions. The diagnosis rate was 3 80%, 2 92%, 1 46% and 0 30%, respectively. The overall diagnosis rate was 8 48%. Conclusion Magnifying endoscopy is useful to detect flat lesions and has high efficacy in judging the nature of flat lesions.更多还原