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Hepatic focal nodular hyperplasia: MR imaging at 1.0 and 1.5 T
Author(s) -
Haggar Allan M.,
Bree Robert L.
Publication year - 1992
Publication title -
journal of magnetic resonance imaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.563
H-Index - 160
eISSN - 1522-2586
pISSN - 1053-1807
DOI - 10.1002/jmri.1880020115
Subject(s) - focal nodular hyperplasia , hyperintensity , lesion , medicine , magnetic resonance imaging , liver parenchyma , biopsy , parenchyma , radiology , pathology , nuclear medicine , hepatocellular carcinoma
Ten cases of hepatic focal nodular hyperplasia (FNH) were studied with magnetic resonance (MR) imaging. Proof of diagnosis was by needle biopsy or follow‐up of as long as 5 years. Both short TR/TE and long TR/TE images were obtained. The most common finding was isointen‐sity of the lesion relative to liver parenchyma with all pulse sequences. A central scar was seen in only one patient and was hyperintense on long TR/TE images. Slight hyperintensity of the lesion on short TR/TE and long TR/TE images was seen in two cases. Textural heterogeneity was present in only one of these. The most common presentation in our series was a visually isointense lesion relative to liver on short TR/TE images and an isointense or slightly hyperintense lesion on long TR/TE images. A review of the literature and the present findings suggest that FNH has a variable appearance on MR images.