Primary dystonia, DYT13 type

What is Primary dystonia, DYT13 type?

A rare primary torsion dystonia characterized by focal or segmental dystonia with onset either in the cranial-cervical region or in the upper limbs. Age of onset varies between 5 years and adulthood, with a mean age of onset of 16 years. Clinical manifestations are generally mild and slowly progressive.

Other condition names

  • DYT13
  • Primary dystonia with mixed phenotype
  • Primary torsion dystonia with predominant craniocervical or upper limb onset

Inheritance type

Autosomal dominant


  • Worldwide: <1 in 1,000 000

Age of Onset

  • Adolescent
  • Childhood
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on "". Data version 1.3.16 / 4.1.7.