A rare autosomal recessive cerebellar ataxia (ARCA), characterized by progressive cerebellar ataxia associated with frequent oculomotor apraxia, severe neuropathy and an elevated serum alpha-fetoprotein (AFP) level. The disease is spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2 (MONDO_0018996). Also known as: AOA2, SCAN 2, SCAN2, ataxia with oculomotor apraxia type 2, ataxia-ocular apraxia 2, ataxia-oculomotor apraxia 2, ataxia-oculomotor apraxia type 2, spinocerebellar ataxia with axonal neuropathy type 2.