Pickhardt Perry J, Kim David H
Department of Radiology, University of Wisconsin School of Medicine and Public Health, E3/311 Clinical Science Center, 600 Highland Avenue, Madison, WI 53792-3252, USA.
Gastrointest Endosc Clin N Am. 2010 Apr;20(2):209-26. doi: 10.1016/j.giec.2010.02.011.
The primary goal of colorectal cancer screening and prevention is the detection and removal of advanced neoplasia. Computerized tomography (CT) colonography is now well established as an effective screening test. Areas of greater uncertainty include the performance characteristics of CT colonography for detecting small (6-9 mm), diminutive (< or =5 mm), and flat (nonpolypoid) lesions. However, the actual clinical relevance of small, diminutive, and flat polyps has also been the source of debate. This article addresses these controversial and often misunderstood issues.
结直肠癌筛查与预防的主要目标是检测并切除进展期肿瘤。计算机断层扫描（CT）结肠成像现已成为一种公认的有效筛查方法。存在较大不确定性的领域包括CT结肠成像检测小（6 - 9毫米）、微小（≤5毫米）和平坦（非息肉样）病变的性能特征。然而，小息肉、微小息肉和平坦息肉的实际临床相关性也一直是争论的焦点。本文探讨了这些有争议且常被误解的问题。
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