Dystonia 9 (DYT9)

Dystonia 9, also known as choreoathetosis/spasticity, episodic, is related to glucose transporter type 1 deficiency syndrome and spastic paraplegia-epilepsy-intellectual disability syndrome, and has symptoms including headache, muscle spasticity and abnormal pyramidal signs. An important gene associated with Dystonia 9 is SLC2A1 (Solute Carrier Family 2 Member 1). Related phenotypes are paroxysmal dyskinesia and intellectual disability