Diagnostic criteria of SSPE47
Definitive: criteria 5 with three more criteria; probable: three of the five criteria. | |
1. Clinical | Progressive, subacute metal deterioration with typical signs like myoclonus |
2. EEG | Periodic, stereotyped, high voltage discharges |
3. Cerebrospinal fluid | Raised gammaglobulin or oligoclonal pattern |
4. Measles antibodies | Raised titre in serum (≥1:256) and/or cerebrospinal fluid (≥1:4) |
5. Brain biopsy | Suggestive of panencephalitis |