Comparison of Narrow Band Imaging With or Without Magnifying Colonoscopy

A Prospective Clinical Study to Evaluate Narrow Band Imaging and Magnifying Colonoscopy for the Histologic Prediction of Colorectal Polyps

The aim of this study is to evaluate the usefulness of magnifying colonoscopy with narrow band imaging.

The accuracy of histologic prediction for the colorectal polyps with the use of narrow band imaging is evaluated between the test group with magnifying colonoscopy and the control group without magnifying colonoscopy.

Inclusion Criteria:

• Subjects with colorectal polyps which are in need of EMR

Exclusion Criteria:

• pregnancy, IBD, colorectal cancer, etc.