Introduction: The SOCEUS survey aims to evaluate how contrast-enhanced ultrasound (CEUS) is effectively used in the focal liver lesions characterization. Materials and methods: In the survey were involved Verona, Brescia and Trieste Radiological Centers and Arezzo and Bologna Non-radiological Centers. Inclusion criteria were liver focal lesion detection at conventional ultrasound and studied by means of CEUS, with or without CT or MRI examinations, done previous or subsequent to CEUS. Results: 1069 forms were collected. Patients with benign lesions, who did not undergo any other studies, were 255/561 (45.5Â %). Among patients with diagnosis of hemangioma at CEUS, those who had no other investigations were 129/267 (48.3Â %). Patients with malignant lesions who had studies pre-CEUS (CT and/or MRI) were 328/508 (65Â %), whereas those who had examinations post-CEUS (CT and/or MRI) were 218/508 (42.9Â %). Concordance rate between CEUS and CT investigations pre- and post-CEUS was, respectively, 66 and 89Â %. Concordance rate between CEUS and MRI studies pre- and post-CEUS was, respectively, 87.5 and 81.5Â %. Conclusion: This study proves contrast-enhanced ultrasound correct application in the involved centers.
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