HypoVascular Masses of the Liver

Audience: Radiology Residents, Fellows and Attendings
Learning Objectives:
Identify the distinguishing features of the most common hypervascular and hypovascular masses of the liver
Compare and contrast common benign and malignant liver lesions
Recognize exceptions and atypical presentations of lesions, particularily with Eovist/Primovist
Summary:
Hemangioma
-T1 hypointense, T2 moderately hyperintense
-Peripheral nodular discontinuous arterial phase hyperenhancement
-Progressive enhancement following blood pool
Cholangiocarcinoma/adenocarcinoma metastasis
-T1 hypointense, T2 mildy to moderately hyperintense
-Rim arterial phase hyperenhancement (or arterial phase hypoenhancement)
-Progressive enhancement not following blood pool

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