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  • Title: Advances for improved diagnosis of microscopic colitis in patients with chronic diarrhoea.
    Author: Zabana Y, Ferrer C, Aceituno M, Salas A, Fernández-Bañares F.
    Journal: Gastroenterol Hepatol; 2017 Feb; 40(2):107-116. PubMed ID: 26996466.
    Abstract:
    Microscopic colitis is a generic term that includes 2 main forms, collagenous colitis and lymphocytic colitis, and describes a form of inflammatory bowel disease with a chronic and relapsing course. The incidence of microscopic colitis is between 2 and 8 times higher in women than in men, although age, more than sex, increases the risk of collagenous colitis (odds ratio [OR] 8.3 for age ≥65 vs. <65 and OR 2.8 for women). The main symptom is chronic non-bloody watery diarrhoea. Other common symptoms include abdominal pain (50%-70%), with the result that many patients with microscopic colitis meet criteria for irritable bowel syndrome. Colonoscopy with multiple colonic biopsies is currently recommended, as histological changes are the main characteristic feature. The colonic mucosa is macroscopically normal, although certain minimal endoscopic abnormalities have been described.
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