Conditions / Genetic
dystonia 23
info · Genetic · ICD-10: G24.8
A focal dystonia characterized by adult-onset cervical dystonia typically in the fourth or fifth decade of life that has_material_basis_in autosomal dominant inheritance of heterozygous mutation in the CACNA1B gene on chromosome 9q34.
Signs and symptoms
- Head tremor
- Torticollis
- Writer's cramp
- Axial dystonia
- Gait disturbance
- Limb dystonia
- Dysphonia
- Myoclonus
- Cerebellar atrophy
- Cerebral cortical atrophy