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      Focal liver lesions: Practical magnetic resonance imaging approach.

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          Abstract

          With the widespread of cross-sectional imaging, a growth of incidentally detected focal liver lesions (FLL) has been observed. A reliable detection and characterization of FLL is critical for optimal patient management. Maximizing accuracy of imaging in the context of FLL is paramount in avoiding unnecessary biopsies, which may result in post-procedural complications. A tremendous development of new imaging techniques has taken place during these last years. Nowadays, Magnetic resonance imaging (MRI) plays a key role in management of liver lesions, using a radiation-free technique and a safe contrast agent profile. MRI plays a key role in the non-invasive correct characterization of FLL. MRI is capable of providing comprehensive and highly accurate diagnostic information, with the additional advantage of lack of harmful ionizing radiation. These properties make MRI the mainstay for the noninvasive evaluation of focal liver lesions. In this paper we review the state-of-the-art MRI liver protocol, briefly discussing different sequence types, the unique characteristics of imaging non-cooperative patients and discuss the role of hepatocyte-specific contrast agents. A review of the imaging features of the most common benign and malignant FLL is presented, supplemented by a schematic representation of a simplistic practical approach on MRI.

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          Author and article information

          Journal
          World J Hepatol
          World journal of hepatology
          Baishideng Publishing Group Inc.
          1948-5182
          Aug 08 2015
          : 7
          : 16
          Affiliations
          [1 ] António P Matos, Fernanda Velloni, Miguel Ramalho, Mamdoh AlObaidy, Aruna Rajapaksha, Richard C Semelka, Department of Radiology, University of North Carolina, Chapel Hill, NC 27599-7510, United States.
          Article
          10.4254/wjh.v7.i16.1987
          4528273
          26261689
          08923756-1e17-4ddf-85f1-3641a536c212
          History

          Malignant,Magnetic resonance imaging,Benign,Focal liver lesions,Hepatobiliary contrast agents

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