Anti-NMDA receptor encephalitis
- Incidence: 0.10 cases per 100,000 person-years
- Peak incidence: 20-30 years
- Sex ratio: 1:1
CSF may demonstrate pleiocytosis but can be normal initially.
- Anti-MuSK is an autoantibody specific to muscle kinase in myasthenia gravis with no evidence of a thymoma and without antibodies to acetylcholine receptors.
- Anti-GM1 is an autoantibody specific to acute inflammatory demyelinating polyneuropathy (AIDP) variant of Guillain-Barre syndrome.