Autor: Lina Zhu
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Case Report: Novel homozygous pathogenic variant of the SPG20 gene causes the Troyer syndrome in China
Hereditary spastic paraplegia (HSP) comprises a group of neurodegenerative disorders characterized by progressive spasticity of the lower limbs. Troyer syndrome (MIM #275900), an autosomal recessive form of complicated HSP, was initially described in t…