Department of Radiology;
University Hospital"Paolo Giaccone";
Palermo 90127;
Italy;
Radiology Department;
Fondazione Istituto G.Giglio Hospital;
Cefalù90015;
Italy;
Department of Biopathology and Medical and Forensic Biotechnologies;
University of Palermo;
Palermo 90127;
Italy;
Ultrasonography; Contrast-enhanced ultrasound; Elastography; Interventional; Doppler ultrasonography;