Document Detail

Anomalous origins of the calcarine and parieto-occipital arteries.
MedLine Citation:
PMID:  20637632     Owner:  NLM     Status:  MEDLINE    
Understanding cerebrovascular anatomy and its variations is of utmost importance in treating vascular malformations. The two patients presented here demonstrate yet to be reported anomalous origins of the cortical branches of the posterior cerebral artery. In one patient, fetal calcarine arteries were identified arising from the internal carotid arteries bilaterally with no calcarine branches arising from the posterior circulation and the basilar artery giving rise to terminal parieto-occipital arteries. Additionally, with vertebral artery injections, we found the dominant arterial supply to the right parieto-occipital artery arose from the right internal carotid artery and right posterior communicating artery and the dominant arterial supply to the left parieto-occipital artery arose from the right vertebral artery. A second patient demonstrated anomalous origins of the calcarine and parietal occipital branches from the supraclinoid left internal carotid artery. Understanding this complex cerebrovascular anatomy is important in the endovascular treatment of cerebrovascular aneurysms and malformations.
Karthik Madhavan; Brian J Dlouhy; Timothy W Vogel; Bruno A Policeni; Wendy R K Smoker; David M Hasan
Publication Detail:
Type:  Case Reports; Journal Article     Date:  2010-07-15
Journal Detail:
Title:  Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia     Volume:  17     ISSN:  1532-2653     ISO Abbreviation:  J Clin Neurosci     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-08-16     Completed Date:  2010-12-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9433352     Medline TA:  J Clin Neurosci     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  1334-6     Citation Subset:  IM    
Copyright Information:
Published by Elsevier Ltd.
Department of Neurosurgery, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, Iowa 52242, USA.
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MeSH Terms
Carotid Artery, Internal / pathology*
Cerebral Angiography / methods
Intracranial Aneurysm / pathology
Middle Aged
Occipital Lobe / blood supply
Parietal Lobe / blood supply
Posterior Cerebral Artery / pathology*

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