Which of the following represent the most common site of aneurysms on the vertebrobasilar system, sometimes referred to as the posterior circulation?
- Bifurcation of the basilar artery (basilar tip)
- Along the course of the vertebral artery
- Junction of the posterior inferior cerebellar artery with the posterior spinal artery
- Junction of the posterior inferior cerebellar artery with the vertebral artery
- Origin of the anterior spinal artery
About 10%–15% of all intracranial aneurysms are found on the vertebrobasilar system. The majority of these are found at the bifurcation of the basilar artery into the posterior cerebral arteries; this point is also called the basilar tip or the basilar head. This type of lesion may compromise the integrity of the oculomotor nerve with corresponding deficits. (pp. 45–46)
Thanks to -
Neuroanatomy: An Atlas of Structures, Sections, and Systems
by Duane E. Haines
8th edition published by Wolters Kluwer
This post is to make the MBBS students familiarize with this book. This is a good book to learn neuroanatomy. One can purchase it without doubt about quality of material
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