Table 2.

Imaging features of AIDS cholangiopathy versus primary sclerosing cholangitis.

	AIDS cholangiopathy	Primary sclerosing cholangitis
Dilation common bile duct	Common	Rare
Intrahepatic ducts	Affected but usually normal in number	Significantly decreased in number
Intraductal debris	Common	Rare
Intraductal filling defects	Yes	None
String-like strictures	Rare	Common
Diverticular outpouchings and sacculations	Rare	Common
Papillary stenosis + intrahepatic ductal stricture	Common	Never reported
Extrahepatic stricture morphology	Irregular margins and nodules reflecting an often focal nature	Irregular strictures with entire ducts involved
Gallbladder wall thickening	Common	Rare