The reported prevalence of focal liver lesions in adult patients and children is different. The article discusses pediatric liver tumors under the criteria of histopathology and contrast enhanced ultrasound (CEUS) features. Aim of this article is also to support the already established Pediatric Registry of the European Federation of Societies for Ultrasound in Medicine and Biology (EFSUMB) to collect data on safety and applications of ultrasound contrast agents in children (www.efsumb.org).
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