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Journal of Neuroradiology. Journal de Neuroradiologie

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https://www.readbyqxmd.com/read/30219337/dural-venous-sinus-stenting-for-idiopathic-intracranial-hypertension-an-updated-review
#1
Lakshmi Leishangthem, Pooja Sir Deshpande, Dharti Dua, Sudhakar R Satti
BACKGROUND: Dural venous sinus stenting (DVSS) is an accepted treatment option in selected patients with medically refractory idiopathic intracranial hypertension and obstructive venous outflow physiology prior to cerebrospinal flow diversion (CSFD) surgery. There are no randomized controlled studies focusing on outcomes and complication rates for dural venous sinus stenting. PURPOSE: We present the largest comprehensive meta-analysis on DVSS for idiopathic intracranial hypertension (IIH) focusing on success rates, complications, and re-stenting rates to date...
September 13, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30219336/assessment-of-collateral-blood-flow-in-patients-with-distal-branch-occlusion-of-the-middle-cerebral-artery
#2
Boehme J, Wenz H, Al-Zghloul M, Alonso A, Groden C, Förster A
PURPOSE: Aim of this study was to evaluate the collateral blood flow between more distal branches of the middle cerebral artery (MCA) in the case of peripheral MCA branch occlusion on dynamic 4D angiograms. We sought to individually predict the finally resulting infarction volume with regard to the extent of collateral blood flow. METHODS: Overall, 35 acute ischemic stroke patients with peripheral MCA branch occlusion were included. Volumes of the ischemic infarctions and perfusion deficits were measured on diffusion weighted images DWI and time-to-peak TTP (>4S)...
September 13, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30194943/diagnostic-and-therapeutic-neuroradiology-of-neurodegenerative-diseases
#3
EDITORIAL
Karl Olof Lovblad
No abstract text is available yet for this article.
September 5, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30179690/motor-and-language-deficits-correlate-with-resting-state-functional-magnetic-resonance-imaging-networks-in-patients-with-brain-tumors
#4
Evangelia Liouta, Vasileios K Katsaros, George Stranjalis, Edyta Leks, Uwe Klose, Sotirios Bisdas
BACKGROUND AND PURPOSE: Evidence of pre-operative resting state functional magnetic resonance (RS-fMRI) validation by correlating it with clinical pre-operative status in brain tumor patients is scarce. Our aim was to validate the functional relevance of RS-fMRI by investigating the association between RS-fMRI and pre-operative motor and language function performance in patients with brain tumor. MATERIALS AND METHODS: Sixty-nine patients with brain tumors were prospectively recruited...
September 1, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30179689/the-added-prognostic-value-of-magnetic-resonance-imaging-in-traumatic-brain-injury-the-importance-of-traumatic-axonal-injury-when-performing-ordinal-logistic-regression
#5
Marta Cicuendez, Ana Castaño-León, Ana Ramos, Amaya Hilario, Pedro A Gómez, Alfonso Lagares
BACKGROUND AND PURPOSE: This study was performed to investigate the prognostic value of traumatic axonal injury (TAI) in severe head trauma. METHODS: We attempted to determine whether any MR imaging findings of TAI could be related to prognosis in 264 patients with severe head trauma. We performed an ordinal logistic regression, adjusted for the prognostic factors according to the IMPACT studies, adding each MR feature related to prognosis one at a time. A new prognostic model was described by adding these MR features to the classic prognostic factors...
September 1, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30179688/post-mortem-x-ray-computed-tomography-pmct-identification-using-ante-mortem-ct-scan-of-the-sphenoid-sinus
#6
Lucile Deloire, Idris Diallo, Romain Cadieu, Mathieu Auffret, Zarrin Alavi, Julien Ognard, Douraïed Ben Salem
PURPOSE: To evaluate forensic identification of individuals through visual comparison of sphenoid sinus anatomical configuration using ante- and post-mortem CT-scans. METHOD AND MATERIALS: Ante- and post-mortem head CT-scan of 33 individuals were retrospectively collected. Ten head CT-scans were randomly selected from various neurological contexts and added to the ante-mortem group. Ten other head CT-scans were randomly selected from our post-mortem PACS and added to the post-mortem group...
September 1, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30099016/patency-of-the-supraclinoid-internal-carotid-artery-branches-after-flow-diversion-treatment-a-meta-analysis
#7
Federico Cagnazzo, Pierre-Henri Lefevre, Daniel Mantilla, Aymeric Rouchaud, Riccardo Morganti, Paolo Perrini, Davide Di Carlo, Cyril Dargazanli, Gregory Gascou, Carlos Riquelme, Alain Bonafe, Vincent Costalat
BACKGROUND AND PURPOSE: Placement of flow-diverters across the ostia of major ICA branches carries a risk of arterial occlusion. We determined the rate of occlusion of the supraclinoid ICA branches and the related symptoms, following coverage with flow-diverters. MATERIALS AND METHODS: A systematic search was performed in PubMed, MEDLINE, and EMBASE. We selected studies reporting treatments with flow-diverters in which the device was placed across the ostium of the OphtA, PcomA, or AchorA...
August 9, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30098370/ipsilateral-and-contralateral-cerebro-cerebellar-white-matter-connections-a-diffusion-tensor-imaging-study-in-healthy-adults
#8
Efstratios Karavasilis, Foteini Christidi, Georgios Velonakis, Zoi Giavri, Nikolaos L Kelekis, Efstathios P Efstathopoulos, Ioannis Evdokimidis, Georges Dellatolas
BACKGROUND AND PURPOSE: The cerebellum has a pivotal role in regulating human behavior; yet whether this function is mediated only through contralateral cerebro-cerebellar pathways is under-investigated. Thus, we examined feed-backward and feed-forward ipsilateral and contralateral cerebro-cerebellar connections using a detereministic diffusion tensor imaging (DTI) algorithm, the robustness of which was also estimated using phantom DTI data. MATERIALS AND METHODS: Fifty-one healthy controls (22-60 years old; 15 males/36 females) were scanned in a 3T MRI scanner with a 30-direction DTI sequence...
August 9, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30098369/incidental-findings-on-brain-mri-in-a-cohort-of-diabetic-patients
#9
D Vázquez-Justes, J Sanahuja, J Diez, E Rubinat, R Begué, C Salas, C Vicandi, M I Gil, F Purroy, D Mauricio
OBJECTIVE: To study the frequency and management of incidental findings in nonenhanced brain MRI of a middle-aged population of type 2 diabetic patients. METHODS: We retrospectively analyzed the results of 289 brain MRI obtained from subjects between 40-75 years recruited from a previous study. Incidental findings were classified into three categories: (1) Vascular findings; (2) neoplastic findings; and (3) others. On the other side, we made a classification of referral findings...
August 9, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30016704/3d-double-inversion-recovery-mr-imaging-clinical-applications-and-usefulness-in-a-wide-spectrum-of-central-nervous-system-diseases
#10
REVIEW
Maki Umino, Masayuki Maeda, Yuichiro Ii, Hidekazu Tomimoto, Hajime Sakuma
Double inversion recovery (DIR) imaging provides two inversion pulses that attenuate signals from cerebrospinal fluid and normal white matter. This review was undertaken to describe the principle of the DIR sequence, the clinical applications of 3D DIR in various central nervous system diseases and the clinical benefits of the 3D DIR compared with those of other MR sequences. 3D DIR imaging provides better lesion conspicuity and topography than other MR techniques. It is particularly useful for diagnosing the following disease entities: cortical and subcortical abnormalities such as multiple sclerosis, cortical microinfarcts and cortical development anomalies; sulcal abnormalities such as meningitis and subacute/chronic subarachnoid hemorrhage; and optic neuritis caused by multiple sclerosis or neuromyelitis optica...
July 25, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30036550/ischemic-stroke-in-the-setting-of-secondary-hyperparathyroidism-due-to-vitamin-d-deficiency
#11
LETTER
Halil Onder, Ilknur Aydin, Mahmut Apaydin
No abstract text is available yet for this article.
July 20, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30036549/diagnostic-accuracy-of-flair-in-detection-of-acute-subarachnoid-hemorrhage-in-patients-presenting-with-severe-headache
#12
Rabia Ashraf, Muhammad Akhtar, Sohail Akhtar, Iqra Manzoor
BACKGROUND: Fluid attenuation inversion recovery (FLAIR) magnetic resonance imaging (MRI) sequences are previously described for the evaluation of acute subarachnoid hemorrhage (SAH) and demonstrated good sensitivity. This study was designed to find the diagnostic accuracy of FLAIR in detection of acute SAH in patients presenting with severe headache considering the fact that controversy has been observed in previous studies. OBJECTIVE: To determine diagnostic accuracy of FLAIR in detection of acute subarachnoid hemorrhage in patients presenting with severe headache using lumber puncture as gold standard...
July 20, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30030061/patient-dose-in-brain-perfusion-imaging-using-an-80-slice-ct-system
#13
Gerasimos A T Messaris, Dimitrios N Georgakopoulos, Petros Zampakis, Christina P Kalogeropoulou, Theodoros G Petsas, George S Panayiotakis
BACKGROUND AND PURPOSE: Brain CT Perfusion (CTP) is an X-ray imaging technique for the assessment of brain tissue perfusion, which can be used in several different entities. The aim of this study is the evaluation of the radiation dose to patients during a comprehensive brain CT prescription protocol (CPP) consisting of an unenhanced brain CT, a brain CT angiography and a CTP scan. MATERIALS AND METHODS: Eighteen patients were studied using an 80-slice CT system, with an iterative reconstruction algorithm...
July 17, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30176992/a-call-for-junior-interventional-neuroradiologists-to-join-the-jeni-research-collaboration
#14
LETTER
(no author information available yet)
No abstract text is available yet for this article.
September 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30036548/malignant-transformation-of-epidermoid-cyst-with-diffuse-leptomeningeal-carcinomatosis-on-skull-base-and-trigeminal-perineural-spread
#15
LETTER
Neesmah Badat, Clément Cholet, Genevièvet Hervé, Nadya Pyatigorskaya, Stéphanie Trunet, Didier Dormont, Bruno Law-Ye
No abstract text is available yet for this article.
September 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30016705/arterial-spin-labeling-clinical-applications
#16
REVIEW
Mai-Lan Ho
Arterial spin labeling (ASL) is a magnetic resonance imaging perfusion technique that enables quantification of cerebral blood flow (CBF) without the use of intravenous gadolinium contrast. An understanding of the technical basis of ASL and physiologic variations in perfusion are important for recognizing normal variants and artifacts. Pathologic variations in perfusion can be seen in a number of disorders including acute and chronic ischemia, vasculopathy, vascular malformations, tumors, trauma, infection/inflammation, epilepsy and dementia...
September 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/30009854/double-micro-guide-wire-technique-to-facilitate-microcatheter-navigation-through-tortuous-intracranial-vasculature
#17
G Trasimeni, F Laurino, D Lamusta, N Limbucci, S Mangiafico
We report a case in which navigation of the micro catheter (Headway 027) with the conventional single microwire technique became impossible because of the difficult intracranial vascular anatomy. In order to achieve access, we used two Terumo 012 inches micro guide-wires with a 45° angle inside a single micro catheter. The manoeuver was easy and can be reproduced in specific and challenging cases.
September 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29920348/main-inherited-neurodegenerative-cerebellar-ataxias-how-to-recognize-them-using-magnetic-resonance-imaging
#18
REVIEW
D Heidelberg, S Ronsin, F Bonneville, S Hannoun, C Tilikete, F Cotton
Ataxia is a neurodegenerative disease resulting from brainstem, cerebellar, and/or spinocerebellar tracts impairments. Symptoms onset could vary widely from childhood to late-adulthood. Autosomal cerebellar ataxias are considered as one of the most complex group in neurogenetics. In addition to their genetic heterogeneity, there is an important phenotypic variability in the expression of cerebellar impairment, complicating the genetic mutation research. A pattern recognition approach using brain MRI measures of atrophy, hyperintensities and iron-induced hypointensity of the dentate nuclei, could be therefore helpful in guiding genetic research...
September 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29913177/a-quantitative-and-semi-automatic-measurement-of-transverse-sinus-stenosis-improves-idiopathic-intracranial-hypertension-diagnostic-accuracy
#19
A Pellerin, J Aguilar Garcia, A David, J Meyer, B Guyomarch Delasalle, S De Gaalon, E Auffray Calvier, H Desal, R Bourcier
We propose a new reliable transverse sinus stenosis (TSS) index based on magnetic resonance venography (MRV) for the diagnosis of idiopathic intracranial hypertension (IIH). Our quantitative semi-automatic measurement analysis based on segmentation and cross-sectional TS diameter from 48 IIH patients and controls matched for age and sex, had a good inter-observer agreement (κ=0.729) compared to a visual examination (κ=0.467). A cut-off point≥2 discriminate IIH patients from controls, with a sensitivity and specificity of 100%...
September 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29752977/high-resolution-magnetic-resonance-vessel-wall-imaging-of-chronic-intracranial-internal-carotid-artery-occlusion
#20
LETTER
Xiangyan Chen, Wenjie Yang, Chiu Wing Chu, Ka Sing Wong, Thomas Wai Hong Leung
No abstract text is available yet for this article.
September 2018: Journal of Neuroradiology. Journal de Neuroradiologie
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