Jan 4, 2025 · The vertebral arteries (VA) are paired arteries, each arising from the respective subclavian artery and ascending in the neck to supply the posterior fossa and occipital lobes, …

Oct 6, 2023 · CT and MR angiography are most useful in defining the level and the degree of stenosis of arteries supplying the posterior circulation. The gold standard is intra-arterial …

Jun 5, 2024 · Vertebral artery thrombosis results in complete or partial occlusion of the vertebral artery and alteration of blood flow to the posterior cerebral circulation. Clinical presentation

Aug 13, 2022 · Vertebral artery hypoplasia is a congenital anatomical variation characterized by underdevelopment of the vertebral artery.

This case show a dissection of the V3-V4 segment of the vertebral artery on non-contrast CT and CT angiography. A hyperdense occluded vertebral artery and mural thrombus (thickened wall - …

Nov 16, 2024 · It is used to characterize arteries that have shown a significant deterioration of their tunica intima (and occasionally the tunica media), weakening the vessel walls and …

Signs of disco-ligamentous injury can be subtle on CT and careful examination for focal widening of discs and facets and the presence of soft tissue injury is necessary. In the correct clinical …

The cervical portion (V1 segment) is the most vulnerable part of the vertebral artery. These injuries are mostly (70%) associated with cervical spine fracture. Treatment …

Annotated images of the vertebral arteries in AP and lateral views depicting a 3D reformat of a volume CT.

Nov 6, 2024 · CT and CT angiography is the ideal modality for assessment of the bony changes and the vertebral artery anatomy. The same features are are visible of plain radiographs (see …