Small-duct primary sclerosing cholangitis.

@article{Ludwig1991SmallductPS,
  title={Small-duct primary sclerosing cholangitis.},
  author={Jurgen Ludwig},
  journal={Seminars in liver disease},
  year={1991},
  volume={11 1},
  pages={11-7}
}
Current evidence suggests that PSC may affect the entire biliary system from interlobular bile ducts to the ampulla of Vater. If the affected bile ducts are too small for cholangiographic identification, the best designation for the condition is small-duct PSC; cholangiographically identifiable duct changes are the hallmark of large-duct PSC. The term "small-duct PSC" should replace the name pericholangitis because that designation lacks a clear definition. Small-duct PSC may occur in… CONTINUE READING