Collagenous colitis diagnosed by endoscopically induced mucosal tears

Collagenous colitis with mucosal tears on endoscopic insufflation: a unique presentation.

NSAID-induced collagenous colitis.

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Mucosal tears and colonic perforation in a patient with collagenous colitis.

Collagenous colitis, which is clinically characterized by chronic non-bloody diarrhea, is a variant of microscopic colitis. It can be diagnosed on histological grounds, with thickening of the subepithelial collagen layer [1–3]. The colonic mucosa is usually endoscopically normal, although minor abnormalities such as edema or erythema can be seen [2,3]. Serious complications are rare. A 69-year-...

Mucosal atrophy in collagenous colitis: a case report

BACKGROUND Mucosal atrophy as a potential cause of impaired colonic compliance has not yet been described as a complication in Collagenous Colitis (CC). CASE PRESENTATION We present a 51-year-old female patient with a 20-year history of diarrhea and diagnosed with CC ten years prior to her presentation. We reviewed reports from three colonoscopies performed after the diagnosis. Overall 12 bio...

Endoscopic Manifestations and Mucosal Patterns Associated to Collagenous Colitis

Microscopic colitis (MC) are clinical pathologic entities characterized by secretory-like aqueous chronic diarrhea, in its large majority without hematochezia. From the first descriptions of MC1, normal endoscopic and radiological findings have been a pathognomonic feature. It is thought that up to 20% of adults with chronic diarrhea who have an endoscopically normal colonoscopy may have MC. Mo...