- Images in clinical medicine. Neuralgic amyotrophy.
- brachial plexus / brachial neuritis
- acute brachial neuropathy (acute brachial radiculitis, Parsonage-Turner syndrome) is of unknown etiology and appears sporadically but may
follow immunization, or viral illness;
- predominant clinical finding is pain, usually limited to the shoulder;
- may cause winging of scapula;
- distribution of weakness is variable;
- return to athletic activity is determined by clinical return of strength, as EMG may be abnormal up to 7 yrs after dx
- consider testing for Lyme disease;
- ref: Parsonage-Turner syndrome revealing Lyme borreliosis
Acute Onset of Nontraumatic Upper-Extremity Atrophy.
Neuralgic Amyotrophy (Parsonage Turner Syndrome)