Ulcerative Colitis Endoscopic Index of Severity - UCEIS
Vascular pattern
   0 = normal - Normal vascular pattern with arborizations of capillaries clearly defined
   1 = patchy obliteration - Patchy obliteration of vascular pattern
   2 = obliterated - Complete loss of vascular pattern
Bleeding
   0 = none - No visible blood
   1 = mucosal - Spots or streaks of coagulated blood on the mucosa surface, which can be washed off
   2 = luminal mild - Some free liquid blood in the lumen
   3 = luminal moderate or severe - Frank blood in the lumen or visible oozing from the mucosa after washing or visible oozing from a hemorrhagic mucosa
Erosions and ulcers
   0 = none - Normal mucosa, no visible ulcers or erosions
   1 = erosions - Small defects in the mucosa (s5 mm), white or yellow, flat edge
   2 = superficial ulcer - Larger defects in the mucosa (>5 mm), discrete fibrin covered, remain superficial
   3 = deep ulcer - Deeper excavated defects in the mucosa, with a slightly raised edge

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