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FIG 1. Images from the case of a 46-year-old man (patient 3 in group I) who suffered SAH from a fusiform aneurysm of the distal intracranial right vertebral artery.
A, Anteroposterior projection angiogram of the right vertebral artery disclosed a fusiform aneurysm of the distal intracranial portion (arrow) that is proximal to the vertebrobasilar junction and distal to the right posterior-inferior cerebellar artery (PICA, arrowhead).
B, Aneurysm and distal vertebral artery were embolized with coils. Lateral projection control angiogram of the right vertebral artery, obtained after embolization, shows preservation of flow to the right posterior-inferior cerebellar and basilar arteries.
C, Anteroposterior projection angiogram of the left vertebral artery shows preservation of flow to the right posterior-inferior cerebellar and basilar arteries. The patient achieved complete recovery and remained neurologically normal.
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