| Phenotype details |
bedridden; psychomotor retardation; walk-1y6m; speech two-word sentences; nonprogressive cognitive dysfunction during childhood; 24y start cognitive decline; 1y until bedridden after decline; dystonia; rigidity; adulthood progressive dementia; no psychiatric symptoms; no epileptic seizure; MRI iron deposition globus pallidus, substantia nigra, central band of T1 hypointensity, 27y-moderate cerebral atrophy, 46y-remarkable cerebral atrophy, no eye of the tiger sign, no white matter involvement, 37y/46y-mild cerebellar atrophy, CT high density in ventral midbrain; EEG abnormal; EMG normal |