Abstract
Diffusion-weighted MRI was normal, but a perfusion-weighted MRI revealed a restricted flow in the right medulla [Figure 1]a and b. MR-angiogram showed occlusion of the right vertebral artery [Figure 1]c. High-resolution MRI, which allows visualization of the lumen, revealed a "target sign" [Figure 1]d. [3] We diagnosed ischemia of the medulla due to intracranial vertebral artery dissection.
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