Conditions / Genetic

Troyer syndrome

info · Genetic · ICD-10: G11.4

A hereditary spastic paraplegia that is characterized by spasticity of the leg muscles, progressive muscle weakness, paraplegia, muscle wasting in the hands and feet (distal amyotrophy), small stature, developmental delay, learning disorders, speech difficulti

A hereditary spastic paraplegia that is characterized by spasticity of the leg muscles, progressive muscle weakness, paraplegia, muscle wasting in the hands and feet (distal amyotrophy), small stature, developmental delay, learning disorders, speech difficulties (dysarthria), and mood swings, and has_material_basis_in a mutation of the SPG20 gene.

Signs and symptoms

  • Mild intellectual disability
  • Short foot
  • Dysmetria
  • Distal amyotrophy
  • Spastic gait
  • Lower limb spasticity
  • Motor delay
  • Lower limb muscle weakness
  • Ulnar deviation of the hand
  • Chronic constipation

Also known as: SPG20; autosomal recessive spastic paraplegia 20; autosomal recessive spastic paraplegia Troyer type; autosomal recessive spastic paraplegia type 20; childhood-onset spastic paraparesis with distal muscle wasting