Definition
noun
A neurologic disorder generally of unknown cause and characterized by the acute onset of shoulder pain usually beginning at night followed by weakness and wasting of shoulder girdle muscles.
Supplement
This is an inflammation of the brachial plexus, which causes severe arm pain.
Synonyms:
- acute brachial radiculitis
- brachial plexus neuropathy
- parsonage-turner syndrome
- neuralgic amyotrophy