期刊
HEADACHE
卷 48, 期 8, 页码 1226-1229出版社
WILEY
DOI: 10.1111/j.1526-4610.2008.01183.x
关键词
migraine; aura; diffusion weighted imaging; spreading; edema; metabolic depression
We present imaging evidence of the spreading of cortical edema with reversibly restricted water diffusion from the left occipital to the temporoparietal cortex in persistent visual migraine aura in a 58-year-old man. The right-sided visual field defect lasting for 15 days was associated with discoupling of glucose metabolism and blood flow and the decreased apparent diffusion coefficient also suggested cytotoxic edema. At 8 weeks no signs were present, and magnetic resonance imaging became normal; therefore, long-lasting restricted cortical water diffusion, even if coupled with hypometabolism and edema, can be reversible in persistent visual migraine aura.
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