Fig. 4From: Why does my patient’s basilar artery continue to grow? A four-year case study of a patient with symptoms of vertebrobasilar dolichoectasiaMRI-FLAIR scans. (a) A hyperintense rim near the vessel wall (FVH grade 2). (b) A hyperintense signal that nearly fills the entire BA lumen (FVH grade 3)Back to article page