Gastroenterology Trainees Can Easily Learn Histologic Characterization of Diminutive Colorectal Polyps With Narrow Band Imaging  Swati G. Patel, Amit Rastogi, Gregory Austin, Matthew Hall, Brittany A. Siller, Kenneth Berman, Roy Yen, Ajay Bansal, Dennis J. Ahnen, Sachin Wani  Clinical Gastroenterology and Hepatology  Volume 11, Issue 8, Pages 997-1003.e1 (August 2013) DOI: 10.1016/j.cgh.2013.02.020 Copyright © 2013 Terms and Conditions

Figure 1 NBI polyp patterns. Hyperplastic polyps with bland and fine capillary network appearance (A) and circular dark dots surrounded by lighter areas (B). Adenomas with central light area surrounded by dark area (C) and tubulogyrus pattern (D). Clinical Gastroenterology and Hepatology 2013 11, 997-1003.e1DOI: (10.1016/j.cgh.2013.02.020) Copyright © 2013 Terms and Conditions

Figure 2 Graphical representation of learning curve among all 12 trainees for characterization of polyp histology by using CUSUM analysis: crossing the lower limit threshold indicates performance within the acceptable rate of 10% (achieved competency), crossing the upper limit threshold suggests an unacceptable rate of 15% (requires retraining), and results between these 2 thresholds indicate need for ongoing observation. All trainees crossed the lower threshold (achieved competence) after reviewing 46–58 videos (median, 48.5). Clinical Gastroenterology and Hepatology 2013 11, 997-1003.e1DOI: (10.1016/j.cgh.2013.02.020) Copyright © 2013 Terms and Conditions

Clinical Research Form used during training session 1 and 2. Clinical Gastroenterology and Hepatology 2013 11, 997-1003.e1DOI: (10.1016/j.cgh.2013.02.020) Copyright © 2013 Terms and Conditions