A 29-year-old man presents with a 2-year history of headaches and blurred vision. Upon examination, he is noted to have a superotemporal visual field defect. Lumbar puncture is performed and reveals an elevated opening pressure of 30 cm H20. Analysis of the cerebrospinal fluid shows a white blood cell count of 18 cells/µL (87% L), a glucose level of 60 mg/dL, and a protein level of 196 mg/dL. Magnetic resonance imaging later reveals the findings seen here.
Based on this patient’s probable diagnosis, which of the following clinical features may also be present?
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