Rapid-onset dystonia-parkinsonism preceded by a single episode of subacute persisting hemiparesis: Expanding the ATP1A3-related disorders phenotype

- Atypical forms of ATP1A3-related disorders can occur.
- A patient with a single episode of subacute persisting hemiparesis before RDP onset.
- This case expands the clinical spectrum of atypical ATP1A3-related disorders.