Haemosiderotic fibrohistiocytic lipomatous lesion/tumour of the foot:MRI and histopathology

West, Andrew T, Toms, Andoni P, Murphy, Joseph and Sultan, Mohammed (2008) Haemosiderotic fibrohistiocytic lipomatous lesion/tumour of the foot:MRI and histopathology. Skeletal Radiology, 37 (1). pp. 71-4. ISSN 0364-2348

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A 38-year-old woman presented in 2005 with a fatty swelling over the dorsum of her left foot and was subsequently referred to our institution following initial biopsy for further management. MRI was performed before and after surgery. This demonstrated an ill-defined lesion confined to the subcutaneous tissues on the dorsum of the foot with heterogeneous intermediate and high T1 and T2 signal suggesting a complex mixture of fat and fibrous elements. The lesion recurred following initial surgery in the lateral aspect of the hind foot and along the lateral aspect of the ankle. It demonstrated extremely high signal on T2 fat-saturated sequences along the fibrous elements of the lesion and concentrated in a layer just deep to the dermis, which was mirrored on post-contrast images. A histopathological diagnosis of haemosiderotic fibrohistiocytic lipomatous lesion/tumour (HFLL/T) was made. This is a recently described and rare entity that occurs typically in the subcutaneous tissues of the foot or ankle of middle-aged women. To our knowledge this is the first description of the imaging findings in this lesion.

Item Type: Article
Uncontrolled Keywords: adult,ankle,contrast media,diagnosis, differential,female,follow-up studies,foot,hemosiderosis,histiocytoma, benign fibrous,humans,image enhancement,lipoma,magnetic resonance imaging,rare diseases,recurrence,soft tissue neoplasms
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
Depositing User: Pure Connector
Date Deposited: 15 Sep 2014 13:40
Last Modified: 06 May 2022 01:20
URI: https://ueaeprints.uea.ac.uk/id/eprint/50130
DOI: 10.1007/s00256-007-0397-0

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