ACTA GASTRO-ENTEROLOGICA BELGICA, cilt.72, sa.2, ss.225-229, 2009 (SCI-Expanded)
Background : Correct assessment of the severity and activity of ulcerative colitis (UC) is necessary for determining effective treatment and predicting prognosis. The correlation between histologic activity and endoscopic activity, however, has not yet been determined by using a quantitative scoring system.