Radial nerve entrapment

Case contributed by Dr Utkarsh Kabra

Presentation

Left wrist drop, pain

Patient Data

Age: 40
Gender: Male
MRI

Hyperintensity and mildly reduced bulk of supinator, brachioradialis, anconeus, extensor carpi radialis longus, extensor digitorum and radial fibers of brachialis muscles.

Mild hyperintensity and thickening of radial nerve is seen between brachialis and brachioradialis muscles above the level of elbow joint. Hyperintensity and thickening of deep branch of radial nerve is also seen between superficial and deep heads of supinator muscle.

Case Discussion

Hyperintensity and mildly reduced bulk of supinator, brachioradialis, anconeus, extensor carpi radialis longus, extensor digitorum and radial fibers of brachialis muscles suggesting late subacute denervation.

Mild hyperintensity and thickening of radial nerve between brachialis and brachioradialis muscles above the level of elbow joint. Hyperintensity and thickening of deep branch of radial nerve is also seen between superficial and deep heads of supinator muscle possibly due to entrapment.

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Case information

rID: 69942
Published: 31st Jul 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Getwell Poly Clinic & Hospital

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