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Radiologia Brasileira

Print version ISSN 0100-3984On-line version ISSN 1678-7099


MEIRELLES, Gustavo de Souza Portes; TIFERES, Dario Ariel  and  D'IPPOLITO, Giuseppe. Magnetic resonance imaging of hepatic pseudolesions: a pictorial essay. Radiol Bras [online]. 2003, vol.36, n.5, pp.305-309. ISSN 0100-3984.

Magnetic resonance imaging is currently an important method for the assessment of the liver. As with helical computed tomography, the use of fast magnetic resonance imaging sequences to obtain data from the different phases of vascularization allows the detection and identification of tumors. However, some lesions may mimic true parenchymatous lesions which are interpretation pitfalls. These lesions are called pseudolesions and may occur due to perfusion defects, focal fatty infiltration, and spared areas of fatty liver or artifacts, among other causes. The recognition of these lesions is essential to avoid false-positive results. The aim of this study was to classify, illustrate, and briefly describe these pseudolesions, and to provide alternatives to differentiate pseudolesions from true parenchymatous lesions.

Keywords : Liver; Magnetic resonance imaging; Pitfalls.

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