TABLE 1

Results of cerebrospinal fluid analysis

ValueReference range
Red blood cells14/μL0–1
White blood cells264/μL0–5
Protein140 mg/dL15–45
Glucose44 mg/dL40–70
Immunoglobulin G index0.650–0.61
Oligoclonal bandsNone seen
Gram stain and cultureNo growth and no organisms seen
Fungal stain and cultureNegative cryptococcal antigen, no fungus isolated > 20 days
Viral studiesPolymerase chain reaction testing negative for herpes simplex, cytomegalovirus, Epstein-Barr, varicella zoster, and West Nile viruses