Autosomal dominant spastic paraplegia type 17

What is Autosomal dominant spastic paraplegia type 17?

A complex hereditary spastic paraplegia characterized by progressive spastic paraplegia, upper and lower limb muscle atrophy, hyperreflexia, extensor plantar responses, pes cavus and occasionally impaired vibration sense. Association with hand muscles amyotrophy typical.

Other condition names

  • SPG17
  • Silver syndrome
  • Spastic paraplegia-amyotrophy of hands and feet

Inheritance type

Autosomal dominant


  • Worldwide: <1 in 1,000 000

Age of Onset

  • Adolescent
  • Adult
  • Childhood
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