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Related to microscopic colitis: collagenous colitis
microscopic colitisA term of art referring to two distinct conditions clinically characterised by chronic watery diarrhoea and normal colonoscopy and separated based on histopathologic differences: a submucosal band of collagen (collagenous colitis) or a dense lymphoplasmacytic infiltrate in the mucosa (lymphocytic colitis).
microscopic colitisAbbreviation: MC
Either of two forms of colitis (collagenous and lymphocytic), in which people have chronic, watery diarrhea despite having normal-appearing bowels during endoscopy or radiologic study.
See also: colitis