Q34
Single choice
A 33-year-old woman complains of generalized, throbbing headache that is worse in the morning and with coughing. She occasionally feels dizzy and nauseated. Examination is significant only for obesity and bilateral papilledema. ACT scan
of the head is normal. At lumbar puncture, the opening pressure is 220 mmH2O; CSF is clear, with protein of 12 mg/100 mL (normal, 1545), glucose of 68 mg/100 mL (normal, 4580), and no cells are seen.
Which of the following is the most likely diagnosis?