AAN.com met with John D. England MD, FAAN, Louisiana State University Health Sciences Center School of Medicine, to find out more about the new guidelines on distal symmetric polyneuropathy. He spoke with AAN.com Practice Editor Neil A. Busis, MD, FAAN.
A 35-year-old man comes to the office because of headaches and an abnormal MRI. He reports bilateral, nonpulsating, band like pressure headaches that have occurred 3 times a month for the past 2 years. They are moderate in severity, exacerbated by stress, and usually resolve with over the counter analgesics. He denies a history of head trauma. Neurologic exam is normal. Shown above are the FLAIR and T2-weighted images. Diffusion-weighted images (DWI) (not shown) did not reveal any areas of restricted diffusion.
Which of the following is the most appropriate investigation of this patient?
