Deep forearm lipoma

Case contributed by Dr Andrew Van

Presentation

Partial right arm radioulnar palsy. Extensor carpi radialis longus and brevis functional.

Patient Data

Age: 45 years old
Gender: Male
Modality: MRI

Large lobulated lipomatous lesion adjacent to the radius and in the proximal forearm causing displacement of the radial nerve. There appears to be a subtle area of T2 weighted hyperintensity in the superior aspect of the lesion, however no abnormal T2 weighted hyperintensity or enhancement along the radial nerve.

Minor fatty atrophy and oedematous changes in the supinator, extensor carpi radialis longus, brevis, extensor digitorum and extensor carpi ulnaris.

Case Discussion

Although likely to be a lipoma, consideration of the large size and deep location of the lesion raises the possibility of a liposarcoma.

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Case Information

rID: 45163
Case created: 16th May 2016
Last edited: 16th May 2016
Inclusion in quiz mode: Included

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