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Erschienen in:
09.05.2019 | Classics in Abdominal Radiology
The “mosaic pattern” in hepatic sinusoidal dilatation
Erschienen in: Abdominal Radiology | Ausgabe 8/2019
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The “mosaic pattern” describes the appearance of the liver on contrast-enhanced CT and MR in cases of hepatic sinusoidal dilatation [1, 2]. This sign refers to mottled, heterogeneous, and reticular enhancement of the liver resembling a mosaic (Fig. 1). It appears during the arterial and/or portal venous phase, and is most pronounced in the periphery of the liver. Parenchymal enhancement becomes homogeneous on the late phase (Fig. 2).
Fig. 1
Image of mosaic. Public domain image (https://cdn.pixabay.com/photo/2016/12/16/17/32/butterfly-1911854_1280.jpg); Accessed 23/04/2019
Fig. 2
Axial arterial and portal phase MR images showing different causes of mosaic pattern: heart failure (a), constrictive pericarditis (b), Budd-Chiari Syndrome (c), and drug abuse in patient with alcohol-related cirrhosis (d)
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