Colonic polyps: Is it useful to characterize them with advanced endoscopy?

Table 3 Narrow band imaging-international colorectal endoscopic classification as determined by narrow band imaging with/without magnification

	Type 1	Type 2	Type 3
Color	Same or lighter than background	Brown	Brown or dark brown Occasional white patchy areas
Vessels	None or isolated lacy vessels	Brown vessels surrounding white structures	Areas of disrupted or missing vessels
Surface pattern	Dark or white spots of uniform size or homogeneous absence of pattern	Oval, tubular or branched white structures surrounded by brown vessels	Amorphous or absent surface pattern
Most likely histology	Hyperplastic polyp	Adenoma or intramucosal or superficial submucosal invasive carcinoma (sm1)	Deep submucosal invasive carcinoma
Treatment	None	Polypectomy or endoscopic mucosal resection	Surgery