Fig. 2From: Secondary sclerosing cholangitis in localized hepatobiliary tuberculosis simulating cholangiocarcinoma: a rare case report a Bile ductular proliferation; b Fibrous expansion of portal tracts with onion skinning of bile ducts; c Absent bile duct with collagen nodule; d Bile duct filled with caseous material; e Ulcerated bile duct with granuloma (arrow); f Caseating hepatic granulomas. Adjacent liver parenchyma showing cholestasis (Inset) (H & E,× 400)Back to article page