central nervous system disease
   |__brain disease
       |__cerebral degeneration  111 rec.
           |__cerebral lipidosis
           |__hydrocephalus 6 rec.
           |   |__communicating hydrocephalus(+) 1 rec.
           |   |__obstructive hydrocephalus
           |__leukodystrophy 103 rec.
           |   |__adrenoleukodystrophy 11 rec.
           |   |__adult onset demyelinating leukodystrophy(+) 2 rec.
           |   |__adult-onset leukoencephalopathy with axonal spheroids and pigmented glia 1 rec.
           |   |__Alexander disease 39 rec.
           |   |__CADASIL(+) 2 rec.
           |   |__Canavan disease
           |   |__hypomyelinating leukodystrophy(+) 40 rec.
           |   |__leukoencephalopathy with vanishing white matter(+) 5 rec.
           |   |__megalencephalic leukoencephalopathy with subcortical cysts(+)
           |   |__progressive leukoencephalopathy with ovarian failure 2 rec.
           |   |__RNASET2-deficient cystic leukoencephalopathy 1 rec.
           |__neuroaxonal dystrophy
           |   |__CSF1R-related brain malformation and osteopetrosis
           |__senile degeneration of brain