How serious is Primary sclerosing cholangitis?
What causes Primary sclerosing cholangitis? Cause of Primary sclerosing cholangitis: Unknown, perhaps viral, bacterial or immune-related. Causes of Primary sclerosing cholangitis: Researchers do not know what causes PSC. Among the theories under investigation are the possible role of bacteria, viruses, and immune system problems. PSC appears to be associated with ulcerative colitis, a type of inflammatory bowel disease.