Brachial plexitis
Dr Yuranga Weerakkody et al.
Brachial plexitis refers to inflammatory change involving the brachial plexus. This is in contrast to a brachial plexopathy meaning any form of pathology involving the brachial plexus.
Epidemiology
Brachial plexitis is more commonly seen in men between 30 and 70 years of age and is bilateral in 10 - 30% of patients 3.
Pathology
Causes
- post radiation plexitis : the most common inflammatory processes affecting the occur after irradiation, which usually manifest at 5 - 30 months after treatment, generally with doses of ≥ 6000 cGy.
- viral brachial plexitis (cytomegalovirus, Coxsackie, herpes zoster, Epstein-Barr virus, Parvovirus B19)
- immune-mediated
- toxic (related to previous serum, vaccine, antibiotic or other drug administration, human immunodeficiency virus serology
- recent surgery
- anaesthesia
- Lyme disease
- heredofamilial hypertrophic neuropathies
- Charcot-Marie-Tooth disease
- Dejerine-Sottas disease
- chronic postinflammatory demyelinating hypertrophic polyneuropathy (a chronic form of Guillian-Barré syndrome)
- hereditary neuralgic amyotrophy (familial BPL neuropathy)
- idiopathic brachial plexitis
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