SLC25A46 and cerebellar ataxia: SLC25A46 deficiency (SLC25A46, biallelic variants, autosomal recessive inheritance, MIM #610826), has been reported to cause Leigh syndrome, optic atrophy spectrum disorder (variably associated with Parkinson disease), severe axonal sensorimotor neuropathy, cerebellar ataxia and lethal ponto‐cerebellar hypoplasia.95, 96