Since the first report in 1976, collagenous colitis has been associated with a variety of conditions, including use of non-steroidal anti-inflammatory drugs and proton pump inhibitors. This condition ...

Between 1986 and 2003, 43 eligible patients were identified, 29 female and 14 male, ranging in age from 32 years to 88 years at the time of diagnosis. The majority of patients were aged between 50 and ...

(a) Atrophic/withering crypts (red arrow) and lamina propria vascular congestion. Notice that the cellularity of the lamina propria is not significantly increased. (b) Vascular congestion and ...