Collagenous colitis with mucosal ulcerations in a patient without nonsteroidal anti-inflammatory drug or lansoprazole use

Chronic watery diarrhea combined with normal-appearing colonic mucosa at endoscopy with abnormal histopathology is classified as microscopic colitis. Microscopic colitis encompasses both collagenous and lymphocytic colitis. A 42-year-old Caucasian woman presented with severe diarrhea for six weeks with loose watery stools every 1-2 h, approximately 15… CONTINUE READING