| Namespace | disease_ontology | Obsolete | false |
| description | An autosomal dominant distal hereditary motor neuronopathy that is characterized by juvenile or young-adult onset of distal limb muscle weakness and atrophy mainly affecting the lower limbs, resulting in gait instability and walking difficulties and that has_material_basis_in heterozygous mutation in the SPTAN1 gene on chromosome 9q34. |
