DAT-Scans, TC(D)-Sonography, PET-Scans and in some cases Magnetic resonance imaging (MRI) (type of scans depending on the symptoms) are used to distinguish between the different forms of<unk>  due to the<unk>  of<unk>  in different areas of the<unk> . Patients typically fall into two different categories: (1) early onset, rapid progression or (2) late onset, slow progression. The first type is considered to be the classic presentation, while the second type is thought to be a more atypical presentation. Phenotypes of the different disorders appear to be dependent on age, i.e. amount of<unk><unk>  and cognitive abilities.
Neurodegeneration with brain iron accumulation
Leukoencephalopathy with vanishing white matter
Leukoencephalopathy with neuroaxonal spheroids
Megalencephalic leukoencephalopathy with subcortical cysts
Variably protease-sensitive prionopathy
Chronic traumatic encephalopathy in sports
Retinal vasculopathy with cerebral leukoencephalopathy and systemic manifestations
Limbic-predominant age-related TDP-43 encephalopathy