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Vertebral Basilar Angiogram. (Left) lateral view; (Right) AP view. This study was performed by injecting contrast into the right vertebra artery, which is well opacified. There is also some retrograde ...
V1, V2, V3 and V4 are the anatomic segments of the vertebral artery. Open surgical approach to the vertebral artery can be challenging and is not considered in many centers.
Among the most feared and devastating strokes are ones caused by blockages in the brain's critical basilar artery system. They can cause head-to-toe paralysis called "locked-in syndrome. However ...
Computed tomography showed no hypodensity but a hyperdense basilar artery, and cerebral angiography showed that the middle section and top of the basilar artery were occluded by an embolus.
Some patients with basilar artery occlusion strokes could benefit from endovascular therapy (EVT) after all, according to a closer look at the BEST and BASICS trials.
But there was. When an attending radiologist reviewed the scans some three hours later, that doctor observed a basilar artery occlusion. A thrombectomy was performed to remove the clot.
Note the area of infarction involving the entire pons and midbrain. This infarct is in the territory of the main basilar artery. The cerebellum is spared, presumably due to collateral flow from the ...