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Pickhardt PJ、Kim DH及Robbins JB为了研究CT结肠镜检查(CTC)发现的平坦型(非息肉)结直肠病变的临床意义及病灶高度的界定,前瞻性地对5 107例连续无症状成人(平均年龄56.9岁)受检者进行了CTC,对其结果进行分析。结果显示,在被CTC确诊的≥6 mm的954个病变中,有125个(13.1%,106例)为平坦型。在大小为6～30 mm的病变中,平坦型发展成肿瘤的几率小于息肉型(25.0%比60.3%,P<0.001)。大小为6～30 mm的平坦型病变其平均最高高度为2.2 mm,其中
Pickhardt PJ, Kim DH, and Robbins JB To investigate the clinical significance of lesion-free (flat) non-polyposis colorectal lesions detected by CT colonoscopy (CTC), 5 107 consecutive asymptomatic adults (mean Age 56.9 years) subjects underwent CTC, the results were analyzed. The results showed that out of 954 lesions> 6 mm diagnosed by CTC, 125 (13.1%, 106) were flat. Among lesions ranging in size from 6 to 30 mm, the likelihood of developing flat tumors was less than that of polypoid lesions (25.0% vs 60.3%, P <0.001). The average height of flat lesions ranging in size from 6 to 30 mm was 2.2 mm, of which,