TableĀ 1

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 pathologyHyperplasticAdenoma
  • *These structures may represent the pits and the epithelium of the crypt opening.

  • NBI, narrow band imaging; NICE, NBI International Colorectal Endoscopic.