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The literature contains few data on the clinical features and demographics of collagenous colitic patients from the Indian subcontinent. Almost all published articles describe various clinicopathological facets of collagenous colitis in the West, which is now classified as a variant of microscopic colitis, where diagnosis is missed by failure to biopsy the normal or “near normal” looking mucosa at endoscopy for histological examination.
The case notes of 210 patients who underwent colonoscopy at Base Hospital-Panadura (Medical Unit), Sri Lanka (equivalent to a district general hospital in the UK, with a bed strength of 350), for various reasons, from 20 July 1999 to 20 January 2002, were retrospectively reviewed. Clinical features and results of other routine investigations of patients who were histologically diagnosed as having collagenous …