A 29-year-old complaint with  from non-specific neurological symptoms for several weeks. According to the patient, he describes his complaint as  feeling dizzy, the feeling of losing balance. He also reports of cough, fever, night sweats, and a general feeling of weakness.

IN last 30 days he had lost 7kgs, supported by physical activity(not much). The initial examination revealed a positive Romberg sign, hyperesthesia of the feet and a symmetric weak plantar reflex. How would you proceed?