TABLE 1

Scoring system for histologic assessment of colitis (from Hausmann et al., 2007)

EpitheliumScore
Normal morphology0
Loss of goblet cells1
Loss of goblet cells in large areas2
Loss of crypts3
Loss of crypts in large areas4
Infiltration
No infiltrates0
Infiltrate around crypt basis1
Infiltrate reaching to lamina muscularis mucosae2
Extensive infiltration reaching the lamina muscularis mucosae and thickening of mucosa with severe edema3
Infiltration of the lamina submucosa4