الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
The aim of this study is to emphasis the role of magnetic resonance imaging angiography in evaluation of intra-cranial vascular lesions.
This study proved the beneficial role of MRI and MRA in depiction and evaluation of cerebral aneurysms regarding its size, shape, location, neck width and complication especially in patients with ruptured aneurysm who presented with subrachnoid hemorrhage. Most of these patients were irritable and could not withstand the performance of DSA. MRA insure approximately the same results of DSA in a non-invasive manner.
Arterial conclusion could be also assessed using both MRI and MRA.
They offered an advanced, sensitive, non invasive imaging tool for diagnosis.
They can detect the occluded artery, delineate the length of occluded segment and give adequate information about the homodynamic of the circulation. MRA can also reveal the underlying cause of occlusion especially in case of arterial dissection and atherosclerosis.
Evaluation of dural sinus thrombosis was one of the most impressive fields for application of MRI and MRV. Thrombosed sinuses were easily recognized due to loss of normal vascular signal void and the development of abnormal signal of the thrombosis.
In cavernous heamangioma patients; MRI proved to be one of the most diagnostic tools. It can diagnose the lesion in its various grades with confidence; a condition not offered by any other diagnostic imaging modality.
In conclusion we consider MRI and MRA a very successful method for investigation in patients with intracranial vascular lesions as they settle down the diagnosis with confidence in a totally non-invasive manner.