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Journal of Neuroradiology. Journal de Neuroradiologie

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https://www.readbyqxmd.com/read/29274693/apparent-diffusion-coefficient-histogram-analysis-for-prediction-of-prognosis-in-glioblastoma
#1
Masatoshi Kondo, Yoshikazu Uchiyama
BACKGROUND: To investigate the potential to predict prognosis of glioblastoma (GBM) patients by analysis of the broader and lower values in the lower distribution of apparent diffusion coefficient (ADCL) (B&L-ADCL) values in the ADC histogram. MATERIAL AND METHODS: Presurgical publicly available diffusion-weighted images (DWI) and contrast-enhanced T1-weighted images from 76 GBM patients were analyzed. With applied 2-mixture normal distribution in the ADC histogram of enhanced lesions on T1-weighted images, the mean and width of ADCL were analyzed...
December 21, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29274362/a-new-time-resolved-3d-angiographic-technique-4d-dsa-description-and-assessment-of-its-reliability-in-spetzler-martin-grading-of-cerebral-arteriovenous-malformations
#2
Julien Ognard, Elsa Magro, Jildaz Caroff, Douraied Ben Salem, Sebastien Andouard, Michel Nonent, Jean-Christophe Gentric
BACKGROUND AND PURPOSE: The Spetzler and Martin (SM) cerebral arteriovenous malformation (AVM) classification is a widely used 5-tier classification. This common language allows specialists to exchange about AVMs and must be reliably characterized by the imaging methods. We presented an agreement study on a new method of digital subtracted 3D rotational angiography resolved in time (four-dimensional DSA: 4D DSA) compared to the gold standard (two-dimensional digital DSA: 2D DSA) in AVM grading using the SM classification...
December 20, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29273536/variability-of-stroke-patients-meeting-endovascular-stroke-trial-criteria-in-a-non-clinical-trial-setting
#3
Jennifer E Fugate, Waleed Brinjikji, Harry Cloft, David F Kallmes, Alejandro A Rabinstein
BACKGROUND: Five randomized trials proving the efficacy and safety of mechanical embolectomy for ischemic stroke within 8hours used differing radiological methods to select patients. We aimed to evaluate the proportion of patients in clinical practice that would meet radiological criteria for inclusion in these trials. METHODS: Retrospective study of ischemic stroke patients at a large academic medical center who were considered for endovascular stroke therapy based on confirmed intracranial large vessel occlusion from April 2010-November 2014...
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29273535/primary-versus-secondary-mechanical-thrombectomy-for-anterior-circulation-stroke-in-children-an-update
#4
REVIEW
Manuel Cappellari, Giuseppe Moretto, Andrea Grazioli, Giuseppe Kenneth Ricciardi, Paolo Bovi, Elisa Francesca Maria Ciceri
This review of the literature on the use of mechanical thrombectomy (MT) in children with acute ischemic stroke from occlusion of the internal carotid artery and the proximal middle cerebral artery (MCA) compares the efficacy and safety of primary and secondary MT. We analyzed the data reported for 24 case reports from 20 relevant articles published up to 31 December 2016 and the data of a patient treated at our institution. Eighteen cases received primary MT and 7 received secondary MT. The proportions of complete MCA recanalization, small infarcts, and asymptomatic intracranial hemorrhage were similar in both MT groups (73% [11/15] vs...
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29273534/altered-functional-connectivity-of-the-subthalamic-nucleus-during-self-initiated-movement-in-parkinson-s-disease
#5
Qian Jia, Linlin Gao, Jiarong Zhang, Tao Wu, Piu Chan
BACKGROUND AND PURPOSE: Patients with Parkinson's disease (PD) have difficulty performing self-initiated movements. The neural mechanism of this deficiency remains unclear. In the present study, we used functional magnetic resonance imaging (fMRI) to investigate the functional connectivity of the subthalamic nucleus (STN) during self-initiated movement in patients with PD. MATERIALS AND METHODS: fMRI were acquired from patients with PD and age- and sex-matched healthy control subjects during a self-initiated right hand tapping task...
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29273533/spontaneous-healing-of-a-symptomatic-basilar-artery-dissection
#6
LETTER
Enrico Giordan, Waleed Brinjikji, Giuseppe Lanzino
No abstract text is available yet for this article.
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29273532/eagle-s-syndrome-a-rare-cause-of-cervical-internal-carotid-pseudo-aneurysmal-dissection
#7
LETTER
Benjamin Langlet, Xavier Barreau, Gaultier Marnat, Vincent Dousset
No abstract text is available yet for this article.
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29273531/cns-aspergilloma-mimicking-tumors-review-of-cns-aspergillus-infection-imaging-characteristics-in-the-immunocompetent-population
#8
Devendra Kumar, Pankaj Nepal, Sumit Singh, Subraminayan Ramanathan, Maneesh Khanna, Rakesh Sheoran, S K Bansal, Santosh Patil
BACKGROUND AND PURPOSE: CNS Aspergillosis is very rare and difficult to diagnose clinically and on imaging. Our objective was to elucidate distinct neuroimaging pattern of CNS aspergillosis in the immunocompetent population that helps to differentiate from other differential diagnosis. METHODS: Retrospective analysis of brain imaging findings was performed in eight proven cases of central nervous system aspergillosis in immunocompetent patients. Immunocompetent status was screened with clinical and radiological information...
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29273530/feasibility-of-improved-motion-sensitized-driven-equilibrium-imsde-prepared-3d-t1-weighted-imaging-in-the-diagnosis-of-vertebrobasilar-artery-dissection
#9
JinWook Choi, Miran Han, Ji Man Hong, Jin Soo Lee, Sun Yong Kim, Sam Soo Kim
BACKGROUND AND PURPOSE: This study was to evaluate the diagnostic value of improved motion-sensitized driven-equilibrium (iMSDE)-prepared 3D T1-weighted magnetic resonance imaging (MRI) (iMSDE-3DMRI) in intracranial vertebrobasilary dissection (VBD) and to compare iMSDE-3DMRI images with those obtained using 2D-high resolution (HR) MRI with respect to their diagnostic performance in VBD. MATERIALS AND METHODS: We retrospectively reviewed 105 lesions from 102 patients who underwent multimodal imaging and contrast enhanced iMSDE-3DMRI (CE-iMSDE-3DMRI)...
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29273529/congenital-involvement-of-the-central-nervous-system-by-the-zika-virus-in-a-child-without-microcephaly-%C3%A2-spectrum-of-congenital-syndrome-by-the-zika-virus
#10
LETTER
Bruno Niemeyer de Freitas Ribeiro, Bernardo Carvalho Muniz, Emerson Leandro Gasparetto, Edson Marchiori
No abstract text is available yet for this article.
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29273528/greater-occipital-nerve-cryoneurolysis-in-the-management-of-intractable-occipital-neuralgia
#11
Adrian Kastler, Arnaud Attyé, Caroline Maindet, Benjamin Nicot, Emmanuel Gay, Bruno Kastler, Alexandre Krainik
No abstract text is available yet for this article.
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29132940/bullseye-s-representation-of-cerebral-white-matter-hyperintensities
#12
C H Sudre, B G Anson, I Davagnanam, A Schmitt, A F Mendelson, F Prados, L Smith, D Atkinson, A D Hughes, N Chaturvedi, M J Cardoso, F Barkhof, H R Jaeger, S Ourselin
BACKGROUND AND PURPOSE: Visual rating scales have limited capacities to depict the regional distribution of cerebral white matter hyperintensities (WMH). We present a regional-zonal volumetric analysis alongside a visualization tool to compare and deconstruct visual rating scales. MATERIALS AND METHODS: 3D T1-weighted, T2-weighted spin-echo and FLAIR images were acquired on a 3T system, from 82 elderly participants in a population-based study. Images were automatically segmented for WMH...
November 11, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29132938/endovascular-management-of-extracranial-occlusions-at-the-hyperacute-phase-of-stroke-with-tandem-occlusions
#13
M-A Labeyrie, V Civelli, P Reiner, E Cognat, A Aymard, A Bisdorff, J-P Saint-Maurice, E Houdart
BACKGROUND AND PURPOSE: The management of cervical artery occlusions in hyperacute stroke with tandem cervical/intracranial occlusions has not yet become standardized, especially when the circle of Willis is effective. METHODS: We retrospectively analyzed the safety and accuracy of current approaches to manage the cervical occlusion in consecutive patients with tandem occlusions addressed for intracranial mechanical thrombectomy (MT) in our department from January 2012 to May 2017...
November 11, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29132939/automated-brain-tissue-and-myelin-volumetry-based-on-quantitative-mr-imaging-with-various-in-plane-resolutions
#14
Christina Andica, Akifumi Hagiwara, Masaaki Hori, Misaki Nakazawa, Masami Goto, Saori Koshino, Koji Kamagata, Kanako K Kumamaru, Shigeki Aoki
BACKGROUND AND PURPOSE: Segmented brain tissue volume and myelin volume can now be automatically calculated using the SyMRI, which is based on quantification of R1 and R2 relaxation rates and proton density. The aim of this study was to determine the validity of SyMRI brain tissue and myelin volumetry using various in-plane resolutions. METHODS: We scanned 10 healthy subjects on a 1.5 T MR scanner with in-plane resolutions of 0.8, 2.0, and 3.0mm. Two scans were performed for each resolution...
November 10, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29038025/assessment-of-the-cervical-spine-denticulate-ligament-using-mri-volumetric-sequence-comparison-between-1-5-tesla-and-3-0-tesla
#15
Rafael Seragioli, Marcelo Novelino Simao, Gustavo Novelino Simao, Carlos Fernando P S Herrero, Marcello H Nogueira-Barbosa
BACKGROUND: Denticulate ligaments (DLs) are pial extensions on each side of the spinal cord, comprising about 20 to 21 pairs of fibrous structures connecting the dura mater to the spinal cord. These ligaments are significant anatomical landmarks in the surgical approach to intradural structures. To our knowledge, there is no previous study on the detection of DLs using MRI. METHODS: After IRB approval, we retrospectively evaluated 116 consecutive MRI scans of the cervical spine, using the volumetric sequence 3D COSMIC, 65 and 51 studies with 1...
October 14, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29032126/weekly-follow-up-of-acute-lesions-in-three-early-multiple-sclerosis-patients-using-mr-spectroscopy-and-diffusion
#16
Gabriel Kocevar, Claudio Stamile, Salem Hannoun, Jean-Amédée Roch, Françoise Durand-Dubief, Sandra Vukusic, François Cotton, Dominique Sappey-Marinier
OBJECT: Pathophysiological mechanisms underlying multiple sclerosis (MS) lesion formation, including inflammation, demyelination/remyelination and axonal damage, and their temporal evolution are still not clearly understood. To this end, three acute white matter lesions were monitored using a weekly multimodal magnetic resonance (MR) protocol. MATERIALS AND METHODS: Three untreated patients with early relapsing-remitting MS and one healthy control subject were followed weekly for two months...
October 13, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29030015/progressive-white-matter-demyelination-in-delayed-co-poisoning-encephalopathy
#17
LETTER
B Law-Ye, P Dodet, B Hermann, S Trunet, D Dormont, N Pyatigorskaya, D Leclercq
No abstract text is available yet for this article.
October 13, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28988940/dual-lumen-balloon-to-increase-onyx-venous-penetration-in-the-treatment-of-spinal-dural-arteriovenous-fistulas
#18
Felipe Padovani Trivelato, Marco Túlio Salles Rezende, Alexandre Cordeiro Ulhoa, Guilherme Seizem Nakiri, Daniel Giansante Abud
PURPOSE: Spinal dural arteriovenous fistulas (sDAVF) are the most common spinal vascular lesions. The arterialization of the recipient vein results in venous hypertension and chronic ischemia. Intravascular injection of acrylic glue in order to occlude the draining vein is the principle of endovascular treatment, but a significant portion of embolization procedures do not succeed. We present our initial experience of endovascular balloon augmented embolization of sDAVF using a dual-lumen balloon...
October 5, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28987274/radiation-dose-and-image-quality-of-computed-tomography-of-the-supra-aortic-arteries-a-comparison-between-single-source-and-dual-source-ct-scanners
#19
Luca Saba, Michele di Martino, Paolo Siotto, Michele Anzidei, Giovanni Maria Argiolas, Michele Porcu, Jasjit S Suri, Max Wintermark
PURPOSE: The purpose of this work was to compare the image quality and radiation dose delivered to patients during computed tomography (CT) angiography (CTA) of the supra-aortic arteries using two single-source (SS) and two dual-energy (DE) CT scanners. MATERIAL AND METHODS: In this retrospective study, 120 patients who underwent CTA of supra-aortic arteries were studied using four different types of CT scanners: a sixteen and forty-detector-row SS and two DE CT scanners...
October 5, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28970078/evaluation-of-cerebral-arterial-and-venous-system-in-tuberculous-meningitis
#20
Jayantee Kalita, Rajesh K Singh, Usha K Misra, Sunil Kumar
BACKGROUND: Central nervous system infection especially pyogenic results in cerebral venous sinus thrombosis. Tuberculous meningitis (TBM) although associated with infarctions but there is no comprehensive study evaluating the role of CVST contributing in infarction. PURPOSE: To evaluate cerebral arterial and venous system using MR angiography (MRA) and MR venography (MRV) in TBM, and correlate with clinical and MRI findings. MATERIALS AND METHODS: Consecutive patients with TBM were evaluated clinically and their consciousness was assessed by using Glasgow Coma scale...
September 29, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
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