Search Results - "VILLABLANCA, J. P"
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Diffusion-Weighted Imaging of Malignant Ocular Masses: Initial Results and Directions for Further Study
Published in American journal of neuroradiology : AJNR (01-02-2012)“…Ocular masses represent a spectrum of malignant tumors and benign lesions that are sometimes difficult to detect and differentiate by conventional imaging…”
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2
Wall Shear Stress Distribution Inside Growing Cerebral Aneurysm
Published in American journal of neuroradiology : AJNR (01-10-2011)“…Hemodynamic stimulation has been suggested to affect the growth of cerebral aneurysms. The present study examined the effects of intra-aneurysmal hemodynamics…”
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3
CT Perfusion in Acute Ischemic Stroke: A Comparison of 2-Second and 1-Second Temporal Resolution
Published in American journal of neuroradiology : AJNR (01-10-2011)“…CT perfusion data sets are commonly acquired using a temporal resolution of 1 image per second. To limit radiation dose and allow for increased spatial…”
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4
Diffusion-perfusion MR evaluation of perihematomal injury in hyperacute intracerebral hemorrhage
Published in Neurology (13-11-2001)“…It has been suggested that a zone of perihematomal ischemia analogous to an ischemic penumbra exists in patients with primary intracerebral hemorrhage (ICH)…”
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Intra-Aneurysmal Hemodynamics during the Growth of an Unruptured Aneurysm: In Vitro Study Using Longitudinal CT Angiogram Database
Published in American Journal of Neuroradiology (01-04-2007)“…The role of blood-flow biomechanics on the size, morphology, and growth of cerebral aneurysms is poorly known. The purpose of this study was to evaluate…”
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6
Diffusion-perfusion MRI characterization of post-recanalization hyperperfusion in humans
Published in Neurology (11-12-2001)“…Animal and human studies have demonstrated that postischemic hyperperfusion may occur both early and late timepoints following acute cerebral ischemia. To use…”
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7
Feasibility of placement of an anterior cervical epidural blood patch for spontaneous intracranial hypotension
Published in American journal of neuroradiology : AJNR (01-08-2013)“…The dorsal epidural blood patch is a commonly used management technique for spontaneous intracranial hypotension from a dural CSF leak, but it may be less…”
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8
Contrast-Enhanced MR Angiography at 3T in the Evaluation of Intracranial Aneurysms: A Comparison with Time-of-Flight MR Angiography
Published in American Journal of Neuroradiology (01-11-2006)“…The combination of 3T and parallel-acquisition techniques holds promise for improved performance of contrast-enhanced MR angiography (MRA), in terms of speed,…”
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9
Assessment of Craniospinal Arteriovenous Malformations at 3T with Highly Temporally and Highly Spatially Resolved Contrast-Enhanced MR Angiography
Published in American journal of neuroradiology : AJNR (01-05-2008)“…Patients with arteriovenous malformation (AVM) are known to have an elevated risk of complications with conventional catheter angiography (CCA) but nonetheless…”
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10
Bone-Subtraction CT Angiography: Evaluation of Two Different Fully Automated Image-Registration Procedures for Interscan Motion Compensation
Published in American Journal of Neuroradiology (01-08-2007)“…Bone-subtraction techniques have been shown to enhance CT angiography (CTA) interpretation, but motion can lead to incomplete bone removal. The aim of this…”
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11
Sodium MR Neuroimaging
Published in American journal of neuroradiology : AJNR (01-11-2021)“…Sodium MR imaging has the potential to complement routine proton MR imaging examinations with the goal of improving diagnosis, disease characterization, and…”
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12
Quantitative Analysis of Spinal Canal Areas in the Lumbar Spine: An Imaging Informatics and Machine Learning Study
Published in American journal of neuroradiology : AJNR (01-09-2019)“…Quantitative imaging biomarkers have not been established for the diagnosis of spinal canal stenosis. This work aimed to lay the groundwork to establish such…”
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13
3D High-Spatial-Resolution Cerebral MR Venography at 3T: A Contrast-Dose-Reduction Study
Published in American journal of neuroradiology : AJNR (01-02-2009)“…The effect of various contrast-dose regimens for cerebral MR venography (MRV) has not been previously evaluated at 3T, to our knowledge. Our purpose was to…”
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14
Primary angiitis of the central nervous system in children: 5 cases
Published in Journal of rheumatology (01-03-2001)“…We describe 5 children who meet criteria for primary angiitis of the central nervous system (PACNS). All patients presented with headache and/or focal…”
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15
Intraaneurysmal flow dynamics study featuring an acrylic aneurysm model manufactured using a computerized tomography angiogram as a mold
Published in Journal of neurosurgery (01-12-2001)“…To obtain precise flow profiles in patients' aneurysms, the authors developed a new in vitro study method featuring an aneurysm model manufactured using…”
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16
Association of Fractional Flow on 3D-TOF-MRA with Cerebral Perfusion in Patients with MCA Stenosis
Published in American journal of neuroradiology : AJNR (01-07-2019)“…Fractional flow measured on 3D-TOF-MRA was proposed to quantify cerebral hemodynamic changes in patients with artery stenosis. We investigated the association…”
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17
Middle Cerebral Artery Plaque Hyperintensity on T2-Weighted Vessel Wall Imaging Is Associated with Ischemic Stroke
Published in American journal of neuroradiology : AJNR (01-11-2019)“…Vessel wall imaging can identify intracranial atherosclerotic plaque and give clues about its components. We aimed to investigate whether the plaque…”
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18
Volume-rendered helical computerized tomography angiography in the detection and characterization of intracranial aneurysms
Published in Journal of neurosurgery (01-08-2000)“…The goal of this study was to evaluate the utility of volume-rendered helical computerized tomography (CT) angiography in patients with intracranial aneurysms…”
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19
Role of EPI-FLAIR in patients with acute stroke: a comparative analysis with FLAIR
Published in American journal of neuroradiology : AJNR (01-05-2014)“…Further improvement in acquisition speed is needed, if MR imaging is to compete with CT for evaluation of patients with acute ischemic stroke. The purpose of…”
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20
Accelerated echo-planar J-resolved spectroscopic imaging in the human brain using compressed sensing: a pilot validation in obstructive sleep apnea
Published in American journal of neuroradiology : AJNR (01-06-2014)“…Echo-planar J-resolved spectroscopic imaging is a fast spectroscopic technique to record the biochemical information in multiple regions of the brain, but for…”
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