All of the following are true regarding CSF abnormalities in multiple sclerosis except?
The following CSF parameters point against a diagnosis of multiple sclerosis: Pleocytosis of more than 75 cells/ml. Presence of polymorphonuclear lymphocytes. Protein concentration is elevated upto 100 mg/dl. IgG index (a comparison between IgG levels in theCSFand in the serum) is elevated in manyMSpatients