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Figure 1: Panel a; MRA shows bilateral ICA occlusion with tortuous vertebral arteries. Panel b; DWMRI shows acute left frontal infarct [arrow] Panel c; FLAIR axial MRI images shows bilateral subcortical white matter hyperintensities. Panel d; Reconstructed CTA shows the thoracic aorta stent in situ and the cerebrovascular abnormalities [aorta]. Panel e; DSA showing tortuous right vertebral artery with a segmental dissection [arrow]. Panel f; DSA showing tortuous left VA [arrow] with a >90% VB junction stenosis [arrow] Panel g; MIP CTA showing bilateral patent STA-MCA bypasses [arrows]. Panel h and i; histopathology demonstrating intimal FMD

Figure 1: Panel a; MRA shows bilateral ICA occlusion with tortuous vertebral arteries. Panel b; DWMRI shows acute left frontal infarct [arrow] Panel c; FLAIR axial MRI images shows bilateral subcortical white matter hyperintensities. Panel d; Reconstructed CTA shows the thoracic aorta stent <i>in situ</i> and the cerebrovascular abnormalities [aorta]. Panel e; DSA showing tortuous right vertebral artery with a segmental dissection [arrow]. Panel f; DSA showing tortuous left VA [arrow] with a >90% VB junction stenosis [arrow] Panel g; MIP CTA showing bilateral patent STA-MCA bypasses [arrows]. Panel h and i; histopathology demonstrating intimal FMD