DO_rare_slim DO_FlyBase_slim has material basis in has symptom autosomal recessive disease Troyer syndrome GARD:5372 disease_ontology ORDO:101000 2014-08-07T12:18:56Z 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. ICD10CM:G11.4 MIM:275900 DOID:0050886 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 hereditary spastic paraplegia 20 spastic paraplegia 20 spastic paraplegia type 20 hereditary spastic paraplegia autosomal recessive inheritance muscle weakness progressive weakness