Table 1 Definition of endoscopic features of inflammation
From: Inter-observer agreement in the assessment of endoscopic findings in ulcerative colitis
Vascular pattern | Changes in normal vascular pattern, decreased or absent |
Erythema | Reddening of the mucosa |
Oedema | Swollen mucosa |
Granularity | Micronodular mucosal surface |
Blood in lumen | Free intraluminal blood |
Erosions | Small superficial defect in the mucosa, of a white or yellow colour, with a flat edge |
Ulcerations | Compared to erosions, larger and deeper excavated fibrin covered lesions |
Friability | Bleeding mucosa either at contact or spontaneously |