Phenotype details |
bedridden; psychomotor retardation; walk-3y; speech no word; nonprogressive cognitive dysfunction during childhood; 26y start cognitive decline; 4y until bedridden after decline; dystonia; rigidity, akinesia; adulthood progressive dementia; aggressive behaviors; epileptic seizure; MRI iron deposition globus pallidus, substantia nigra, central band of T1 hypointensity, 25y-moderate cerebral atrophy, 32y/33y-remarkable cerebral atrophy, no eye of the tiger sign, no white matter involvement, 25y/32y/33y-mild cerebellar atrophy, CT high density in globus pallidus; EEG bilateral frontal spike; visual evoked potential normal; auditory brainstem response low amplitude, normal latency |