Brachial plexus injury

Discussion:

Avulsion of brachial plexus root sleeves or nerve roots occurs following severe traction on upper limb either due to trauma or birth injuries. Clinical picture varies according to the affected segment, its muscular and dermatomal supply. Meningocele can develop following dural tear. Muscle edema occurs in acute stage following denervation of its nerve supply followed by muscle atrophy and fatty degeneration in chronic stage.

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