Systematic screening for primary sclerosing cholangitis with magnetic resonance cholangiography in inflammatory bowel disease
2018
Abstract Background Primary sclerosing cholangitis (PSC) is a major concern in inflammatory bowel disease (IBD). Aims Evaluating the use of magnetic resonance cholangiography (MRC) as a screening tool for PSC in IBD patients. Methods A single-center cohort study investigating systematic MRC to assess PSC in IBD patients with (cohort 1) and without (cohort 2) liver function tests (LFTs) abnormality, combined with a retrospective analysis of MRCs in a control group of non-IBD patients with abnormal LFTs (cohort 3). Results In total, 420 patients (cohort 1: n = 203, cohort 2: n = 30, cohort 3: n = 187) underwent imaging. MRC was classified ‘abnormal’ in 49/203 (24.1%) patients in cohort 1, in 1/30 (3.3%) patients in cohort 2, and in 66/187 (35.3%) patients in cohort 3 (p Conclusions MRC revealed PSC in one tenth of IBD patients with abnormal LFTs and should be systematically performed in IBD patients with abnormal LFTs, especially if gamma-glutamyl transpeptidase level is elevated.
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