NICE classification
| Polyp classification using NBI | ||
|---|---|---|
| Colour | (S) Same or lighter than the background mucosa | (B) Browner relative to background mucosa |
| Vessels | (N) None or isolated lacy vessels | (T) Thick brown vessels surrounding white structures* |
| Surface pattern | (D) Dark or white spots of uniform size or homogeneous absence of pattern | (O) Oval, tubular or branched white structures* surrounded by brown vessels |
| Most likely pathology | Hyperplastic | Adenoma |
*These structures may represent the pits and the epithelium of the crypt opening.
NBI, narrow band imaging; NICE, NBI International Colorectal Endoscopic.