Pseudo-pseudomembranous collagenous colitis

Yuan, S.; Reyes, V.; Branner, MP.
March 2004
Gut;Mar2004, Vol. 53 Issue 3, p466
Academic Journal
Microscopic colitis has been divided into three types, all characterized by watery diarrhoea and minimal mucosal changes at colonoscopy, associated with an increase in lamina propria lymphocytes and minimal crypt architectural distortion. Of the three types, lymphocytic colitis also has an increase in intraepithelial lymphocytes, collagenous colitis has a subepithelial collagen band, and microscopic colitis not otherwise specified has neither. Now, along comes another variant: pseudomembranous collagenous colitis. This case series of 10 patients describes collagenous colitis with pseudomembranes


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