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Chapter and Conference Paper
Three unusual locations of subependymoma, with emphasis on MRI
Spinal cord subependymomas (SE), either intramedullary (IM) or extramedullary (EM) are rare, as are multiple SE. We describe one case of each of these unusual presentations diagnosed mainly with MRI. On MRI, t...
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Chapter and Conference Paper
Cervical occult spinal dysraphism with vascular marker: MRI
We emphasize the value of MRI in the detection of occult spinal dysraphism (OSD) in infants with a cervical midline vascular marker. Two infants aged 8 and 14 months with vascular birthmarks of the cervical mi...
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Chapter and Conference Paper
Angiography of medullary and dural vascular malformations: relationship between venous drainage and outcome
A series of 151 medullary and dural vascular malformations is reviewed, and two patterns of venous drainage that were observed are described: local and extensive. In this study, these patterns of venous draina...
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Chapter and Conference Paper
MRI and phase-contrast MRA after selective Guglielmi detachable coil embolisation for intracranial aneurysms: preliminary results
We prospectively examined the utility of MRI (0.5 T) and of MRA in patients who underwent Guglielmi detachable coil (GDC) embolisation for intracranial aneurysms, postembolisation digital subtraction angiograp...
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Chapter and Conference Paper
Contrast media and microcirculation: red blood cell aggregation and deformation study
We studied the effects of six contrast media (iohexol, ioxaglate, iopamidol, ioversol, iotrolan and diatrizoate) on red blood cell (RBC) aggregation and deformation with normal blood from a single donor. RBC a...
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Chapter and Conference Paper
Calibrated sphere embolization of craniofacial tumours and arteriovenous malformations
Clinical study of precisely calibrated microsphere embolization in 56 patients was performed. As well, we compared, in 18 patients, the efficiency of embolization of two ranges of microsphere size, either a na...
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Chapter and Conference Paper
Thrombogenicity of arterial catheters depends on catheter type, not base material
To evaluate the thrombogenicity of 5 F angiographic catheters we developed an original in vivo human arterial blood model. Different types of catheter were tested in angiographic conditions. After femoral arte...
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Chapter and Conference Paper
Transcranial Doppier Sonography in Interventional Neuroradiology
The development of transcranial Doppler sonography allows noninvasive, continous examination of the arteries at the base of the brain. This method is of particular interest in interventional neuroradiology. In...
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Chapter and Conference Paper
Cerebral Arterio-Venous Fistulas Treated by Endovascular Procedure
Embolization of cerebral arterio-venous fistulas (AVFs) were performed in 7 patients.
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Chapter and Conference Paper
Endovascular Treatment of Intramedullary Dorsal Angiomas. Report of 35 Cases
The endovascular treatment of 35 dorsal intramedullary AV malformations is described. The most common clinical presentation in our series was a subarachnoid hemorrhage, although in the literature this is repor...
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Chapter and Conference Paper
Embolization: A Definitive Treatment for Meningiomas ? (Three Cases)
The first case, a cavernous sinus meningioma diagnosed by CT scan and angiography was embolized with particles. Followup CT scan and angiography 5 years later showed complete disappearance of the mass.
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Chapter and Conference Paper
The Cobb — Syndrome or Metameric Angiomatosis
Since S. Cobb first described the combination of a spinal with a cutaneus angiomatosis in 1915, only a few other cases have been published. We will review the clinical and radiological signs and symptoms, and ...
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Chapter and Conference Paper
Significance of Intraoperative Cerebral Blood Flow Measurements in Endovascular Occlusion of the Internal Carotid and Middle Cerebral Arteries
Cerebral blood flow measurements using intraarterial injection of xenon 133 were carried out in ten patients during temporary occlusion of the internal carotid arteries and in two patients in the middle cerebr...
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Chapter and Conference Paper
Endovascular Treatment of a Giant Fusiform Aneurysm of the Basilar Artery. Case Report.
A giant partially thrombosed fusiform aneurysm involving the entire basilar artery presented clinically as a severe, rapidly progressive tumoral syndrome of the posterior fossa. Treatment by detachable balloon...
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Chapter and Conference Paper
Spinal Aneurysms Associated with Spinal Cord AVMs
Spinal aneurysms (SAs) are rare lesions usually associated with AVMs. This association in spinal cord AVMs has been reported with an incidence varying between 6% and 7.7%, and only few cases of isolated SAs ha...
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Chapter and Conference Paper
Pre-operative Embolization of Naso-pharyngeal Angiofibromas. Report of 58 Cases
58 patients with a juvenile nasopharyngeal angiofibroma have been treated by a combined neuroradiological-surgical method. In the cases with smaller tumor extension, fed only by the external carotid arteries o...
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Chapter and Conference Paper
Endovascular Treatment of Hemangioblastomas
In our series of 22 patients, presenting solitary or multiple hemangioblastomas located in posterior fossa and/or in the spinal cord, 8 underwent endovascular treatment. The location of the lesions was posteri...
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Chapter and Conference Paper
Endovascular Treatment of Mandibular Arteriovenous Angiomas
The mandibular angiomas are of particular interest due to,the dramatic hemorrhagic episodes. Ligation of the external carotid artery has proved to be ineffective. Surgery requires a resection of the hemimandib...
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Chapter and Conference Paper
Therapeutic Embolization in Vertebrospinal Vascular Malformations — Ten-Year Experience
Criteria for treatment and follow-up in vertebrospinal arteriovenous malformations (AVMs) are well known (Houdart et al. 1975; D**djian et al. 1977, 1978, 1981; Kendall and Logue 1977; Merland et al. 1980, 19...