Crohn's Disease and Primary Sclerosing Cholangitis: A Case Report and Review of the Literature

概要

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The comorbidity of Crohn's disease (CD) and primary sclerosing cholangitis (PSC) is uncommon. Diagnosing such patients can be difficult, as illustrated by the following case. The combination of CD and PSC should be considered in patients with CD who have abnormal liver function. Because patients with PSC often present asymptomatically, all patients with CD should be screened for PSC by checking serum liver tests. Review of the literature suggests that there is an increased potential in these patients for the development of malignancy and long-term prognosis is poor. We conclude that patients diagnosed with a combination of CD and PSC should be managed with periodic colonoscopy, CA 19-9 investigation, early liver and bowel imaging, and liver biopsy. The treatment of CD associated with PSC remains unsatisfactory and the possibility of liver transplantation should be considered.