BACKGROUND Lymphocytic colitis is characterised by chronic watery diarrhoea with normal endoscopic or radiological findings and microscopic evidence of pronounced infiltration of the colonic mucosa with lymphocytes. AIM To investigate the long term clinical and histological evolution of the disease in a large group of patients with well characterised lymphocytic colitis. METHODS Between 198...

Background: Indeterminate Colitis (IC) is diagnosed after colectomy when macroscopic and microscopic features were not suficient to allow a deinite diagnosis of either the classical types of Ulcerative Colitis (UC) or Crohn’s disease (CD). Epidemiological data from some series have reported that IC is diagnosed in between 9% and 20% of colectomy specimens. Aim: To determine the prevalence of IC...