Headache & Pain
Migraine: pathogenesis and pathophysiology
Nov. 18, 2022
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This MRI is from a 76-year-old man. Short arrows indicate peripheral enhancement of central gray matter. Long arrows indicate peripheral enhancement of cord, probably near watershed zone between sulcal and perforating arteries. (Used with permission: Friedman DP, Flanders AE, Tartaglino LM. Vascular neoplasms and malformations, ischemia, and hemorrhage affecting the spinal cord: MR imaging findings. AJR Am J Roentgenol 1994;162:685-92.)