“…According to the analyzed series, the most common symptoms were headache ( 2 , 22 , 28 , 30 , 31 ) (33–100%), nausea, vomiting ( 2 , 22 , 28 , 31 ) (38–100%), diplopia ( 27 , 28 , 31 ) (26.9–33.3%), gait disturbance ( 2 , 22 , 27 , 28 , 30 ) (33–100%), visual impairment ( 2 , 22 ) (9.8–29%), dizziness ( 2 , 22 , 28 , 31 ) (15.4–66.7%), bulbar syndrome ( 22 , 27 , 28 , 31 ) (17, 1–50%), sensory and pyramidal disorders ( 2 , 22 , 23 , 31 ) (7–69.2%) and changes in mental status ( 2 , 22 , 31 ) (2–17.2%).…”