Clinical details of cases
| Case no; age; sex | Age at onset | Precipitating factor at onset | Distribution of dystonia | Other features | Response to immunosuppressive treatment |
|---|---|---|---|---|---|
| 1; 17 years; male | 13 | Streptococcal septicaemia | Generalised with bulbar involvement | Mild bradykinesia | No response to oral prednisolone |
| 2; 57 years; female | 35 | None | Generalised, with prominent dystonic tremor in arms | Anxiety and depression | Clear response to intravenous immunoglobulin, with effect lasting 5–6 months |
| 3; 31 years; female | 16 | Upper respiratory tract infection | Generalised; fixed dystonia in right foot and hip | Non-epileptic (pseudo) seizures, anxiety | Significant clinical improvement with steroid treatment, relapse following steroid withdrawal, and further improvement after azathioprine |
| 4; 28 years; female | 15 | None | Generalised with bulbar involvement | Non-epileptic (pseudo) seizures, anxiety | Significant clinical improvement with steroid treatment, relapse following steroid withdrawal |
| 5; 26 years; female | 15 | Upper respiratory tract infection | Generalised with bulbar involvement | Non-epileptic (pseudo) seizures, anxiety, depression | Not attempted |