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a neurologic disorder, of unknown cause, characterized by the sudden onset of severe pain, usually about the shoulder and often beginning at night, soon followed by weakness and wasting of various forequarter muscles, particularly shoulder girdle muscles; both sporadic and familial in occurrence with the former much more common; often preceded by some antecedent event, such as an upper respiratory infection, hospitalization, vaccination, or nonspecific trauma; usually attributed to a brachial plexus lesion, because the nerve fibers involved are most often derived from the upper trunk.
Synonym(s): acute brachial radiculitis, brachial neuritis, brachial plexitis, brachial plexus neuropathy, Parsonage-Turner syndrome, shoulder-girdle syndrome
Farlex Partner Medical Dictionary © Farlex 2012
shoulder girdle syndromeA condition evoked by upregulation of the sympathetic nervous system.
Contusions, fractures, neurovascular injuries.
Acute searing pain, marked muscle-weakness, vasomotor lability, oedema, osteoporosis and, with time, wasting of the shoulder girdle and upper arm.
• Acute phase—Frozen shoulder, calcific tendonitis or arthritis.
• Chronic phase—Rotator cuff tears, nerve root compression.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.