title: Use of second generation contrast-enhanced ultrasound in the assessment of focal liver lesions.
abstract: Ultrasound (US) is often the first imaging modality employed in patients with suspected focal liver lesions. The role of US in the characterisation of focal liver lesions has been transformed with the introduction of specific contrast media and the development of specialized imaging techniques. Ultrasound now can fully characterise the enhancement pattern of hepatic lesions, similar to that achieved with contrast enhanced multiphasic computed tomography (CT) and magnetic resonance imaging (MRI). US contrast agents are safe, well-tolerated and have very few contraindications. Furthermore, real-time evaluation of the vascularity of focal liver lesions has become possible with the use of the newer microbubble contrast agents. This article reviews the enhancement pattern of the most frequent liver lesions seen, using the second generation US contrast media. The common pitfalls for each type of lesion are discussed. The recent developments in US contrast media and specific imaging techniques have been a major advance and this technique, in view of the intrinsic advantages of US, will undoubtedly gain popularity in the years to come.
authors.forename: Stanislas-H
authors.initials: SH
authors.lastname: Morin
authors.forename: Adrian-Kp
authors.initials: AK
authors.lastname: Lim
authors.forename: Jeremy-Fl
authors.initials: JF
authors.lastname: Cobbold
authors.forename: Simon D
authors.initials: SD
authors.lastname: Taylor-Robinson
mesh_terms: D018248:Adenoma, Liver Cell / Q000000981:diagnostic imaging; D006528:Carcinoma, Hepatocellular / Q000000981:diagnostic imaging; D003287:Contrast Media; D003560:Cysts / Q000000981:diagnostic imaging; D020518:Focal Nodular Hyperplasia / Q000000981:diagnostic imaging; D006391:Hemangioma / Q000000981:diagnostic imaging; D006801:Humans; D008100:Liver Abscess / Q000000981:diagnostic imaging; D008107:Liver Diseases / Q000000981:diagnostic imaging*; D008113:Liver Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary; D045423:Microbubbles; D014463:Ultrasonography
chemical_list: D003287:Contrast Media