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Insights into Imaging
Fig. 2 | Insights into Imaging

Fig. 2

From: Imaging features of COVID-19-associated secondary sclerosing cholangitis on magnetic resonance cholangiopancreatography: a retrospective analysis

Fig. 2

69-year-old male patient with COVID-19-associated SSC complicated by acute bouts of cholangitis with development of multiple biliary abscesses requiring prolonged antibiotic and interventional therapy. a Maximum intensity projection MRCP image shows multifocal areas of bile duct stricturing (arrows) in both liver lobes with intermittent mild upstream dilatation (long arrows). In the right liver lobe, there are clustered cystic changes representing saccular dilatation of bile ducts (arrowheads). b Axial non-fat-suppressed and (c) fat-suppressed T2-weighted images show multiple patchy hyperintense parenchymal changes in the periphery and subcapsular liver (arrows in b and c). Saccular dilatation of peripheral bile ducts (arrowhead in b) with intraluminal debris. There are hyperintense peribiliary signal changes (arrowheads in c). d High b-value diffusion-weighted images and (e) corresponding ADC map again show these peripheral and subcapsular signal changes with mild diffusion restriction (arrows). f On post-contrast arterial phase images these parenchymal changes are hyperenhancing (arrows)

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