Retrospective Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastrointest Endosc. Dec 16, 2014; 6(12): 600-605
Published online Dec 16, 2014. doi: 10.4253/wjge.v6.i12.600
Table 1 Narrow-band imaging International Colorectal Endoscopic Classification1
Type 1Type 2Type 3
ColorSame or lighter than backgroundBrowner relative to background (verify color arises from vessels)Brown to dark brown relative to background; sometimes patchy whiter areas
VesselsNone, or isolated lacy vessels may be present coursing across the lesionBrown vessels surrounding white structures2Has area(s) of disrupted or missing vessels
Surface PatternDark or white spots of uniform size, or homogeneous absence of patternOval, tubular or branched white structures surrounded by brown vessels2Amorphous or absent surface pattern
Most likely pathologyHyperplasticAdenoma3Deep submucosal invasive cancer
TreatmentFollow upPolypectomy/EMR/ESDSurgical operation