Case 61-1964

Presentation of CaseA thirty-three-year-old printer was admitted to the hospital because of headache and fever.He had been well until fifteen days previously, when a dull headache developed, followed five days later by nausea, vomiting and fever. Penicillin was administered for three days, without improvement, and he entered a hospital, where a lumbar puncture showed a cerebrospinal-fluid pressure of 480 mm.; the fluid contained 633 white cells (10 per cent polymorphonuclear cells and 90 per cent lymphocytes) per cubic millimeter, and the protein was 304 mg. per 100 ml.; a Gram stain of the fluid was negative. Four days . . .