Legend
Images 1 & 2: Axial T2 and proton density weighted images of brain
reveal prominence of the distal basilar artery. Serpiginous lesion is
seen in Lt occipitoparietal region.
Legend
Images 3 & 5: Axial proton density and T1 weighted images show again the
serpiginous flow void lesion with supply from Lt posterior cerebral artery.
No significant associated mass effect is demonstrated.
Image 4: Coronal T1 weighted image confirms the lesion detected on images
1 & 2 as focal dilatation of flow void in the tip of basilar artery.
Legend
Images 6, 7 and 8: Various projections of MR angiogram show the abnormal dilatation
of the tip of basilar artery and the vascular lesion in the Lt occipitoparietal region.
The arterial supply is from branches of the Lt posterior and middle cerebral arteries.
Key words: mri mra vascular
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Brain Diagnosis:
Arteriovenous malformation
& basilar tip aneurysm
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