A teenage girl presented to the hospital emergency department with a three-week history of intermittent frontal headache, which was worse in the morning and associated with nausea, vomiting, lethargy, ...

B-scan ultrasound can effectively differentiate between peripapillary hyperreflective ovoid mass-like structures and optic ...

and optic nerves. MS involves the immune system damaging myelin — a substance that surrounds and protects nerve fibers. Damaged areas of myelin are referred to as plaques or lesions ...