Baseline characteristics (n=27)
*Conventional cytology; flow cytometry not performed
$The cutoff for normal CSF protein concentration was 45 mg/dL in patients ¡Â 60 years old
and 60 mg/dL in patients more than 60 years old.
*MSK RPA, Memorial Sloan-Kettering prognostic score determined by recursive partitioning
$Periventricular, basal ganglia, brainstem and cerebellar lesion