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Current Medical Imaging

Editor-in-Chief

ISSN (Print): 1573-4056
ISSN (Online): 1875-6603

Case Report

MRI Imaging Appearance of Hyperostosis Frontalis Interna (HFI): A Case Report of Focal Benign Enhancement

Author(s): Anish Bhandari, Mark Greenhill, Mayra Anthony, Sorabh Sharma and Raza Mushtaq*

Volume 20, 2024

Published on: 21 June, 2024

Article ID: e200723218926 Pages: 4

DOI: 10.2174/1573405620666230720103113

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Abstract

Introduction: Hyperostosis frontalis interna (HFI) is a common and often incidental finding seen on imaging. There is a significant paucity of radiology literature, particularly regarding the MRI imaging appearance of HFI.

Case Presentation: We reported two cases of HFI on MRI, which showed focal enhancement. These were stable on long-term follow-up studies and thought to be most consistent with benign enhancement.

Conclusion: Further studies are needed to elucidate the underlying pathogenesis; however, it is important to be aware that regions of HFI may demonstrate variable enhancement and are sometimes mistaken for osseous metastatic disease.

Keywords: Hyperostosis frontalis interna, HFI, MRI, Hershkovitz grade, Focal enhancement, Osseous metastatic disease.


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