Low Rates of Cancer or High-Grade Dysplasia in Colorectal Polyps Collected From Computed Tomography Colonography Screening  Perry J. Pickhardt, Kendra S. Hain, David H. Kim, Cesare Hassan  Clinical Gastroenterology and Hepatology  Volume 8, Issue 7, Pages 610-615 (July 2010) DOI: 10.1016/j.cgh.2010.03.007 Copyright © 2010 AGA Institute Terms and Conditions

Figure 1 Flow chart of individuals undergoing CTC screening who ultimately underwent optical colonoscopy (OC) evaluation. Clinical Gastroenterology and Hepatology 2010 8, 610-615DOI: (10.1016/j.cgh.2010.03.007) Copyright © 2010 AGA Institute Terms and Conditions

Figure 2 Bar graph of the frequency of cancer and high-grade dysplasia according to polyp size shows the critical importance of lesion size for predicting clinical relevance. Of note, high-grade dysplasia and malignancy are rare among polyps less than 20 mm in size. Clinical Gastroenterology and Hepatology 2010 8, 610-615DOI: (10.1016/j.cgh.2010.03.007) Copyright © 2010 AGA Institute Terms and Conditions