Charlevoix-Saguenay spastic ataxia (MONDO_0010041) can be described as follows. Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) is a neurodegenerative disorder characterized by early-onset cerebellar ataxia with spasticity, a pyramidal syndrome and peripheral neuropathy. Also known as: ARSACS, SPAX6, autosomal recessive spastic ataxia type 6.