Conditions / Genetic
autosomal recessive Segawa syndrome
info ยท Genetic
A dystonia that is characterized by onset in infancy of dopa-responsive dystonia and that has_material_basis_in homozygous or compound heterozygous mutation in the tyrosine hydroxylase gene (TH) on chromosome 11p15.
Signs and symptoms
- Decreased CSF homovanillic acid concentration
- Axial hypotonia
- Delayed speech and language development
- Parkinsonism
- Hypokinesia
- Mask-like facies
- Gait ataxia
- Limb dystonia
- Rigidity
- Motor delay
Also known as: autosomal recessive DOPA-responsive dystonia