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CT仿真结肠镜在结直肠病变认断中的临床应用
引用本文:张蓓,钟捷,唐永华,何国祥,陈克敏. CT仿真结肠镜在结直肠病变认断中的临床应用[J]. 中国临床医学, 2001, 8(1): 11-13
作者姓名:张蓓  钟捷  唐永华  何国祥  陈克敏
作者单位:1. 上海第二医科大学瑞金医院放射科,上海,200025
2. 上海第二医科大学瑞金医院消化科,上海,200025
摘    要:目的:与纤维结肠严格对比客观评价螺旋CT仿真肠镜诊断结肠病变的价值和限度。方法:采用CTVE技术与纤维结肠镜对照,前瞻性研究一组55例结肠病变,评价CTVE对结肠病变检出的敏感性和准确性。结果:35例结直肠癌患者CTVE成功检查33例,有31例(88.6%)诊断正确,得到手术病理证实。对于10mm以上息肉样病变,CTVE和结肠镜都能正确的诊断,5-10mm息肉样病变,CTVE检出率为81%,5mm以下病灶检出率为25%。结论:CTVE是一种非侵入性、简便、安全有效的结肠病变的检查手段,对于5mm以上的息肉样病变有较高的诊断价值,对由于各种原因引起的肠管狭窄内镜无法通过及不能耐受全结肠检查的病例,CTVE更有诊断价值。缺点为对小于5mm的病灶以及较平坦表浅的病灶检出率不高,无法显示粘膜色泽变化,不能直视下活检,对肠道准备要求较高等。CTVE虽然无法完全取代纤维肠镜,但可作为结肠镜一项很好的补充检查手段。

关 键 词:结直肠病变 CT仿真结肠镜 诊断

The Clinical Application of CT Virtual Colonoscopy in Diagnosis of Colorectal Lesions
Zhang Bei Zhong Jie Tang Yonghua,et al. The Clinical Application of CT Virtual Colonoscopy in Diagnosis of Colorectal Lesions[J]. Chinese Journal Of Clinical Medicine, 2001, 8(1): 11-13
Authors:Zhang Bei Zhong Jie Tang Yonghua  et al
Abstract:Objective: To evaluated the ability and limity of virtual CT colonoscopy to detect colorectal lesions in endoscopically-proven patients. Methods: CT colonoscpy was sucecssful performed in 55 patient using thin section helical computed tomography of abdomen and pelvis. The colorectal lesions were evaluated with 2D and 3D images, depending on special commercial software. Results were compared with colonoscopy for each other. Results: 31 patients were diagnosed colorectal carcinoma by CTVE. The accuracy was 88.6%. All polyps greater than 10mm were detected both by conventional endoscopy and CTVE. The Detectability of polyps with the size of 5-10mm was 81%, and the lesions small than 5mm, the detectability was 25%. Conclusion: CT virtual colonoscopy is a minimal invasive, convience, accurate and safe means for the detection of colorectal lesions.
Keywords:Colorectal lesion CT Virtual colonoscopy
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