Magnetic Resonance Angiographic Evaluation of Anatomic Variations of the Circle of Willis
نویسندگان
چکیده
منابع مشابه
Magnetic Resonance Angiographic Study of Anatomic Variations of the Circle of Willis in a Population in Tehran.
BACKGROUND AND OBJECTIVES The circle of Willis, an anastomotic polygon at the base of the brain, forms an important collateral network to maintain cerebral blood perfusion. The aim of this study was to investigate different anatomic variations of the circle of Willis and their prevalence. METHODS This cross-sectional study was conducted on 525 healthy participants including 205 men and 320 wo...
متن کاملAnatomical Variations of Circle of Willis in 57 Human Brains
Purpose: The circle of willis is responsible for blood supply of brain, which may suffer from anatomical variations. These disturbances can lead to aneurysm or even arterial rupture. The purpose of this study was to evaluate the anatomical structure of the cerebral arteries forming the circle of willis in adult cadavers. Also, cerebral versus non- cerebral versus non-cerebral arterial walls wer...
متن کاملA Study of the Anatomical Variations of the Circle of Willis Using Magnetic Resonance Imaging. Haripriya
Variations in the circle of Willis was studied using Magnetic Resonance Imaging Angiography in fifty patients of South Indian population at random. Variations have been found in 16 cases. All arteries in the circle of Willis showed variations except the anterior communicating artery, 5 cases showed variations in the anterior cerebral artery, 6 cases in the internal carotid artery, 2 cases in th...
متن کاملVariations of the Circle of Willis in 100 Cadavers in Kerman Province
Background & Aims: The relationship between variations of Willis circle and some cerebrovascular diseases has been shown in previous studies. A few studies have been conducted in Iran on these variations. Methods: This study was performed on 100 recently deceased Iranians due to car accidents who had been referred to Kerman Forensic Medicine Center for autopsy. The length and diameter of cerebr...
متن کاملCircle of Willis collateral flow investigated by magnetic resonance angiography.
BACKGROUND AND PURPOSE The circle of Willis (CW) is considered an important collateral pathway in maintaining adequate cerebral blood flow in patients with internal carotid artery (ICA) obstruction. We aimed to investigate the anatomic variation of the CW in patients with severe symptomatic carotid obstructive disease and to analyze diameter changes of its components in relation to varying grad...
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ژورنال
عنوان ژورنال: Haydarpasa Numune Training and Research Hospital Medical Journal
سال: 2018
ISSN: 1300-6363
DOI: 10.14744/hnhj.2018.74046