PMC3872646_01
Axial CT brain scan showing dilatation of the vertebrobasilar system. Ventriculomegaly is appreciated as well
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F1
A computed tomography (CT) scan of the head [Figure 1] and magnetic resonance imaging (MRI) of the brain [Figure 2] demonstrated a VBD with formation of a focal fusiform aneurysm in the proximal basilar artery.
(Left to right) Sagittal T1-weighted, axial T2-weighted brain MRI showing right-sided vertebral artery dolichoectasia compressing the brainstem
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F2
A computed tomography (CT) scan of the head [Figure 1] and magnetic resonance imaging (MRI) of the brain [Figure 2] demonstrated a VBD with formation of a focal fusiform aneurysm in the proximal basilar artery.
Axial Magnetic Resonance angiography of the brain showing dilatation of the vertebrobasilar artery and the internal carotid arteries
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F3
A magnetic resonance (MR) angiogram [Figure 3] revealed fusiform dilatation of the intradural distal right vertebral artery giving rise to the dysplastic dilated basilar artery, which had increased in size.