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Up to: Autosomal recessive cerebellar ataxia - pyramidal signs - nystagmus - oculomotor apraxia syndrome
Autosomal recessive spinocerebellar ataxia 18
Autosomal recessive congenital cerebellar ataxia due to GRID2 deficiency is a rare, genetic, slowly progressive neurodegenerative disease resulting from GRID2 deficiency characterized by motor, speech and cognitive delay, hypotonia, truncal and appendicular ataxia, and eye movement abnormalities (tonic upgaze, nystagmus, oculomotor apraxia). Intention tremor may also be associated. Brain imaging reveals progressive cerebellar atrophy with cerebellar flocculus particularly affected.
This condition has no sub-types.