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Transient Hepatic Intensity Differences: Part 2, Those Not Associated with Focal Lesions

¹ Department of Clinical Physiopathology, Section of Radiodiagnostics, University of Florence, Viale Morgagni 85, Florence 50134, Italy.
² Section of Radiodiagnostics, Ospedale SM Grazie Pozzuoli, Naples, Italy.

OBJECTIVE. The purpose of our study was to evaluate and to show the range of appearance of transient hepatic signal intensity differences when not associated with focal lesions, and to correlate morphology, cause, and pathogenesis.

CONCLUSION. Hepatic arterial phenomena, visualized on MRI and CT, must be considered important signs of underlying liver disorders, which these phenomena contribute to evaluate. Accordingly, the hepatic arterial phase must always be performed on MRI as well as on CT, even if no focal lesion is expected.

Keywords: arterial phenomena • dynamic MRI • hemodynamics • liver • liver disease • liver perfusion abnormalities • MRI • THID • transient hepatic intensity differences

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