| Namespace | disease_ontology | Obsolete | false |
| description | A myofibrillar myopathy that is characterized by childhood onset of slowly progressive proximal muscle weakness and atrophy resulting in increased falls, gait problems, and difficulty running or climbing stairs, and has_material_basis_in autosomal recessive inheritance of homozygous or compound heterozygous mutation in the PYROXD1 gene on chromosome 12p12. |
