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Hepatic focal nodular hyperplasia: MR imaging at 1.0 and 1.5 T

✍ Scribed by Allan M. Haggar; Robert L. Bree

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
530 KB
Volume
2
Category
Article
ISSN
1053-1807

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✦ Synopsis

Abstract

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.

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