A cadaveric study of variations in the vertebrobasilar system
Journal Title: Indian Journal of Clinical Anatomy and Physiology - Year 2018, Vol 5, Issue 4
Abstract
Introduction The intracranial part of vertebral artery basilar artery and their branches together form the veretebrobasilar system Identification of anomalies or variations in the vertebrobasilar system can be useful in diagnosing associated aneurysms and in preventing complications during endovascular treatmentMaterials and Methods The study was conducted in 60 randomly selected brain specimens obtained from the cadavers used for dissection by the undergraduate medical students in the department of anatomy The length of the basilar artery variations in its course level of formation and termination were noted The variations in the caliber of right and left vertebral arteries and their symmetry were noted Photographs were taken to document the variations The results obtained were then tabulatedResults In the present study variations in the origin of basilar artery was noted in 25 of specimens Other variations like fenestration and button hole formation was also noted Asymmetry of vertebral arteries were present in 14 of specimens Hypoplasia of vertebral artery was also notedConclusion Knowledge of variations in the vertebrobasilar system is helpful for the neurosurgeons to plan and execute surgeries for treatment of stenosis aneurysms and arteriovenous malformations in the posterior cranial fossaKeywords Vertebrobasilar system Variations Hypoplasia Asymmetry Posterior circulation Vertebrobasilar ischemia
Authors and Affiliations
Geetha GN, Sunitha Narayanan
Keywords
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- EP ID EP476135
- DOI 10.18231/2394-2126.2018.0125
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