| Phenotype details |
bedridden; psychomotor retardation; walk-2y2m; speech no word; nonprogressive cognitive dysfunction during childhood; 30y start cognitive decline; 3y until bedridden after decline; dystonia; rigidity; adulthood progressive dementia; no psychiatric symptoms; febrile seizure; MRI iron deposition globus pallidus, substantia nigra, central band of T1 hypointensity, 32y-moderate cerebral atrophy, 39y-remarkable cerebral atrophy, no eye of the tiger sign, no white matter involvement, 33y/39y-mild cerebellar atrophy, CT high density in substantia nigra; EEG low voltage; EMG dystonic pattern; evoked potential normal prolonged P100 latency; auditory brainstem response no response at 100 dB |