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Insights into Imaging
Fig. 7 | Insights into Imaging

Fig. 7

From: Lobar and segmental liver atrophy associated with hilar cholangiocarcinoma and the impact of hilar biliary anatomical variants: a pictorial essay

Fig. 7

a–d A patient with left lobe and right anterior segmental atrophy associated with cholangiocarcinoma. a Diagram representing a variant right anterior sectoral duct (RASD) draining into the left hepatic duct (LHD) (RPSD right posterior sectoral duct, CHD common hepatic duct). b Percutaneous transjejunal cholangiogram demonstrates a variant RASD (straight arrow) draining into the LHD (arrowhead). The RPSD (curved arrow) is seen. c, d CT demonstrates atrophy of the left lobe and right anterior segments, and hypertrophy of the right posterior segments. Note the convex (“bulbous”) visceral surface of the hypertrophied right posterior segments inferiorly (curved arrows)

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