subtraction angiography
Anatomic evaluation of the circle of Willis: MR angiography versus intraarterial digital subtraction angiography
... ital subtraction angiography (DSA) with find- ings on angiotomographic source images of a three-dimensional time-of-flight MR angio- graphic sequence and with the corresponding maximum intensity projection ...
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COMPARISON BETWEEN 3D TOF MAGNETIC RESONANCE ANGIOGRAPHY AND INTRAARTERIAL DIGITAL SUBTRACTION ANGIOGRAPHY IN IMAGING THE CIRCLE OF WILLIS
... resonance angiography (3D TOF MRA) without administration of intravenous ...resonance angiography with intra-arterial digital subtraction angiography in depicting the arterial segments of the ...
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Spiral CT angiography and selective digital subtraction angiography of internal carotid artery stenosis
... CT angiography allows accurate, quantitative evaluation of anatomic abnormalities, including detection of additional lesions, delineation of plaque morphology, and estimation of degree of internal carotid artery ...
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CT angiography versus Digital Subtraction angiography for intracranial vascular pathology in a clinical setting
... With technological advancement and the increasing availability of CT scanners, CT brain and CTA has become a useful and necessary tool for initial evaluation of the obtunded patient. It is thus imperative to be aware of ...
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MR Digital Subtraction Angiography of Cerebral Arteriovenous Malformations
... pened because the contrast material was not inject- ed in an adequate bolus. We assume that this could make the evaluation of hemodynamics with our technique difficult as compared with the use of con- ventional ...
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Comparison of Three Dimensional Rotational Angiography with Digital Subtraction Angiography in the Assessment of Ruptured Cerebral Aneurysms
... In the remaining 11 patients, neither DSA nor 3D DSA revealed an aneurysm. One aneurysm depicted at DSA was not seen at 3D DSA because of its site. It was located at the posterior communicating artery and was seen in the ...
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Parametric Color Coding of Digital Subtraction Angiography
... the angiography/interventional service, and 1 was a senior neuro- surgical resident who had almost 1 year’s experience performing di- agnostic and interventional angiographic ...
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4D Digital Subtraction Angiography: Implementation and Demonstration of Feasibility
... emptying. Although conventional 3D-DSA reconstructions are viewable at any angle, they do not allow viewing of the vasculature during different stages of filling and emptying, for example, a pure arterial phase or pure ...
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Subarachnoid haemorrhage due to intracranial vertebral artery dissection presenting with atypical cauda equina syndrome features: case report
... CT angiography (CTA) was performed which demonstrated some promin- ence of the left-sided parafalcine cortical ...Digital subtraction angiography (DSA) demonstrated a left VAD ...
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Aneurysms of the Anterior Communicating Artery Treated with Guglielmi Detachable Coils: Follow Up with Contrast Enhanced MR Angiography
... Digital subtraction angiography (DSA) remains the technique of choice, but this method is relatively invasive and poses a risk of neurologic ...CT angiography with three-dimensional (3D) ...
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Utility of CT Angiography and MR Angiography for the Follow up of Experimental Aneurysms Treated with Stents or Guglielmi Detachable Coils
... MR angiography (3D MR digital subtraction angiography [DSA]) to more accurately depict the anatomy of canine ex- perimental lateral aneurysms before and after treat- ment with GDCs and a variety of ...
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Association between basilar artery configuration and Vessel Wall features: a prospective high-resolution magnetic resonance imaging study
... Patients suspected to have symptomatic intracranial ath- erosclerotic stenosis (ICAS) at admission were enrolled. All patients received thorough medical evaluations to de- termine the underlying cause using a range of ...
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Multi Section CT Angiography for Detection of Cerebral Aneurysms
... Digital subtraction angiography was performed with femoral catheterization by the Seldinger technique with a biplane dig- ital subtraction angiography unit (Toshiba CAS-30B; Toshiba ...Digital ...
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Aneurysmal subarachnoid haemorrhage from a neuroimaging perspective
... tomography angiography is slowly replacing digital subtraction angiography as the first-line technique for the diagnosis and treatment planning of cerebral aneurysms, but digital subtraction ...
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Chinese specialist consensus on imaging diagnosis of intracranial arterial dissection
... Digital subtraction angiography is the conventional im- aging ...tional angiography (3D–RA) provides high spatial resolution of reconstructed 3D images so that the char- acteristics of an artery can ...
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Subtraction Helical CT Angiography of Intra and Extracranial Vessels
... Our technique of subtraction CTA is simple, practical, and rapid, and it is performed on the workstation provided with the CT scanner (Elscint CT Twin; Philips, UK). A low-dose (33- mAs) helical acquisition was ...
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2D perfusion angiography in patients with critial limb ischemia: a study into reproducibility, variability and vessel extraction
... perfusion angiography (2DPA) is a post processing software tool that uses digital subtraction angiography images to calculate perfusion during revascularization ...perfusion angiography and ...
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CT Angiography and MR Angiography in the Evaluation of Carotid Cavernous Sinus Fistula Prior to Embolization: A Comparison of Techniques
... The diagnosis of traumatic CCF is made primarily from the findings of conventional angiography. Trau- matic CCFs, however, are all direct high-flow shunts of Barrow et al type A (13). Because rapid flow can fill ...
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MR Angiography with Three Dimensional Time of Flight and Targeted Maximum Intensity Projection Reconstructions in the Follow up of Intracranial Aneurysms Embolized with Guglielmi Detachable Coils
... MR angiography, follow-up of GDC-treated aneurysms can hardly be executed solely by this ...MR angiography, sparing these patients further invasive catheter ...
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Evaluation of the circle of Willis with three dimensional CT angiography in patients with suspected intracranial aneurysms
... CT angiography over conven- tional angiography include decreased cost, in- vasiveness, and time to ...CT angiography, conventional angiogra- phy can be tailored to enable more rapid and thorough ...
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