Endoscopy in inflammatory bowel disease when and why

Table 3 Endoscopic indices used in ulcerative colitis

	0	1	2	3	4
Sutherland	Normal	Mild friability	Moderate friability	Exudates and spontaneous haemorrhages	-
Schroeder	Normal or inactive disease	Mild (erythema, decreased vascular pattern)	Moderate (marked erythema, absent vascular pattern)	Severe (spontaneous bleeding, ulceration)	-
Baron	Normal: matt mucosa, ramifying vascular pattern, no spontaneous bleeding/to light touch	Abnormal, but non-haemorrhagic: appearances between 0-2	Moderately haemorrhagic: bleeding to light touch, but no spontaneous bleeding	Severely haemorrhagic: spontaneous bleeding and bleeds to light touch	-
Feagan	Normal, smooth, glistening mucosa, with normal vascular pattern	Granular mucosa; vascular pattern not visible; not friable; hyperaemia	As 1, with a friable mucosa, but not spontaneously bleeding	As 2, but mucosa spontaneously bleeding	As 3, but clear ulceration; denuded mucosa
Powel- Tuck	Non haemorrhagic, no spontaneous bleeding or bleeding to light touch	Haemorrhagic, no spontaneous bleeding, but bleeding to light touch	Haemorrhagic, spontaneous bleeding ahead of instrument at initial inspection with bleeding to light touch	-	-
Lemann, Hanauer	Normal mucosa	Oedema, +/- loss of vascular pattern, granularity	Friability, petechiae	Spontaneous haemorrhage, visible ulcers	-