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Insights into Imaging
Fig. 8 | Insights into Imaging

Fig. 8

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

Fig. 8

a–d A patient with segmental atrophy associated with cholangiocarcinoma; the right posterior sectoral duct drained into the left hepatic duct. a Diagram representing a variant right posterior sectoral duct (RPSD) draining into the left hepatic duct (LHD) (RASD right anterior sectoral duct, CHD common hepatic duct). b CT demonstrates atrophy of the left lobe (black arrow) and right posterior segments (white arrow), and hypertrophy of the right anterior segments. c Note the “step” in the contour between the left lobe/right anterior segments (arrow), and between the right anterior segments/ right posterior segments (arrowhead). d Note the “bulbous” contour of the visceral surface of the hypertrophied right anterior segments inferiorly (arrow)

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