13th August 2020

A 67-year-old male with no significant past medical history presents with slowly increasing mental dysfunction

A 67-year-old male with no significant past medical history presents with slowly increasing mental dysfunction, recent onset of seizures and a persistent headache. His wife has noticed he has become more aggressive lately. His vital signs are all within range, with no fever. Following a thorough neurological examination, the doctor suggests a further investigation. What is the most appropriate investigation?

Select the SINGLE most appropriate option from the list below. Select ONE option only.