Spastic paraparesis associated with optic atrophy in monozygotic twins.
D000293:Adolescent; D000328:Adult; D002648:Child; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D009461:Neurologic Manifestations; D009896:Optic Atrophy / Q000235:genetics*; D010264:Paraplegia / Q000235:genetics*; D011247:Pregnancy; D012729:Sex Chromosome Aberrations; D013577:Syndrome; D014427:Twins