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Journal of Neuroradiology. Journal de Neuroradiologie

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https://www.readbyqxmd.com/read/28923531/hippocampal-infarction-identification-of-three-new-types
#1
A Förster, M Al-Zghloul, P Eisele, H Wenz, J Böhme, C Groden, E Neumaier-Probst
BACKGROUND AND PURPOSE: Hippocampal infarction (HI) is common but yet still not comprehensively studied. In the present study, we aimed to identify novel HI patterns and to describe additional ischemic lesions outside the hippocampus to draw conclusions regarding the underlying vessel occlusion. METHODS: In 222 patients (mean age 69.9 (±13.6) years; 129 (58.1%) male, 93 (41.9%) female) with HI, diffusion-weighted images were analyzed with emphasis on HI patterns and associated ischemic lesions outside the hippocampus...
September 15, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28923530/transfer-of-stroke-patients-impairs-eligibility-for-endovascular-stroke-treatment
#2
Omid Nikoubashman, Franziska Pauli, Kolja Schürmann, Ahmed E Othman, Jan-Philipp Bach, Martin Wiesmann, Arno Reich
BACKGROUND: Many patients who are potentially eligible for endovascular stroke treatment (EST) receive intravenous rtPA in the closest stroke unit before being transferred to tertiary centres for EST. It has been shown that clinical outcome of transferred and EST-treated patients is comparable to that of patients with direct access to EST. We analysed clinical outcome of patients, who were transferred and eventually not treated due to clinical and/or radiological deterioration. METHODS: We retrospectively analysed our prospectively maintained stroke registry for patients who were transferred for stroke therapy...
September 15, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28923529/can-mri-water-apparent-diffusion-coefficient-adc-value-discriminate-between-idiopathic-normal-pressure-hydrocephalus-alzheimer-s-disease-and-subcortical-vascular-dementia
#3
Goujon Adrien, Mejdoubi Mehdi, Purcell Yvonne, Banydeen Rishika, Colombani Sylvie, Arrigo Alessandro
No abstract text is available yet for this article.
September 15, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28923528/arterial-spin-labeling-hyperperfusion-in-rasmussen-s-encephalitis-is-it-due-to-focal-brain-inflammation-or-a-post-ictal-phenomenon
#4
Savith Kumar, Chinmay P Nagesh, Bejoy Thomas, Ashalatha Radhakrishnan, Ramshekhar N Menon, Chandrasekharan Kesavadas
BACKGROUND AND PURPOSE: The study evaluated the utility of Arterial spin labeling (ASL) perfusion imaging in Rasmussen's Encephalitis (RE). MATERIAL AND METHODS: The hospital electronic database was searched using the search words "encephalitis," "autoimmune encephalitis" and "Rasmussen's encephalitis" for the period of 1 Jan 2015 to 31 Jan 2017. Clinically diagnosed cases of RE for which epilepsy protocol magnetic resonance imaging (MRI) with perfusion imaging (ASL) performed on a 3T scanner were retrieved...
September 15, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28889937/metastatic-fusiform-aneurysms-from-atrial-myxoma-a-case-report-and-literature-review
#5
LETTER
J Castier, T Portella, F Ricolfi, P Thouant
No abstract text is available yet for this article.
September 7, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28867484/secondary-cerebral-abscess-of-an-ischemic-stroke-treated-by-thrombectomy
#6
LETTER
Adrien Guenego, Marie Rafiq, Caterina Michelozzi, Anne-Christine Januel, Jean-François Albucher, Jean-Christophe Sol, Philippe Tall, Christophe Cognard, Fabrice Bonneville
No abstract text is available yet for this article.
September 1, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28865922/prediction-of-hemorrhagic-transformation-after-acute-thrombolysis-following-major-artery-occlusion-using-relative-adc-ratio-a-retrospective-study
#7
N Shinoda, S Hori, K Mikami, T Bando, D Shimo, T Kuroyama, Y Kuramoto, M Matsumoto, O Hirai, Y Ueno
BACKGROUND: The relative apparent diffusion coefficient (ADC) ratio can be used to evaluate the extent of ischemia. We investigated the risk factors for, and correlation between, relative ADC ratio and hemorrhagic transformation (HT) after thrombolysis. METHODS: This single-center, retrospective study involved 105 patients with acute occlusion of the anterior circulation. Relative ADC ratio was calculated as the ratio of ADC pixel values, within the affected territory to ADC pixel values in the contralateral normal region...
September 1, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28865921/in-vivo-assessment-of-tumor-heterogeneity-in-who-2016-glioma-grades-using-diffusion-kurtosis-imaging-diagnostic-performance-and-improvement-of-feasibility-in-routine-clinical-practice
#8
J-M Hempel, J Schittenhelm, S Bisdas, C Brendle, B Bender, G Bier, M Skardelly, G Tabatabai, S Castaneda Vega, U Ernemann, U Klose
PURPOSE: To assess the diagnostic performance of normalized and non-normalized diffusion kurtosis imaging (DKI) metrics extracted from different tumor volume data for grading glioma according to the integrated approach of the revised 2016 WHO classification. MATERIALS AND METHODS: Sixty patients with histopathologically confirmed glioma, who provided written informed consent, were retrospectively assessed between 01/2013 and 08/2016 from a prospective trial approved by the local institutional review board...
September 1, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28826656/a-morphometric-assessment-of-type-i-chiari-malformation-above-the-mcrae-line-a-retrospective-case-control-study-in-302-adult-female-subjects
#9
James R Houston, Maggie S Eppelheimer, Soroush Heidari Pahlavian, Dipankar Biswas, Aintzane Urbizu, Bryn A Martin, Jayapalli Rajiv Bapuraj, Mark Luciano, Philip A Allen, Francis Loth
PURPOSE: Type I Chiari malformation (CMI) is a radiologically-defined structural dysmorphism of the hindbrain and posterior cranial fossa (PCF). Traditional radiographic identification of CMI relies on the measurement of the cerebellar tonsils in relation to the foramen magnum with or without associated abnormalities of the neuraxis. The primary goal of this retrospective study was to comprehensively assess morphometric parameters above the McRea line in a group of female CMI patients and normal controls...
August 18, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28807465/new-techniques-in-interventional-neuroradiology-should-we-really-randomize-the-first-patient
#10
EDITORIAL
L Pierot, L Kanagaratnam, M Gawlitza, S Soize, M Dramé
No abstract text is available yet for this article.
August 11, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28802960/post-surgery-pcasl-perfusion-mri-of-endolymphatic-sac-tumor
#11
LETTER
B Geerts, D Bernardeschi, F Di Maria, B Law-Ye, D Dormont, N Pyatigorskaya
No abstract text is available yet for this article.
August 9, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28802959/a-combined-tract-based-spatial-statistics-and-voxel-based-morphometry-study-of-the-first-mri-scan-after-diagnosis-of-amyotrophic-lateral-sclerosis-with-subgroup-analysis
#12
A R Alruwaili, K Pannek, A Coulthard, R Henderson, N D Kurniawan, P McCombe
BACKGROUND AND PURPOSE: This study aims to compare the cortical and subcortical deep gray matter (GM) and white matter (WM) of ALS subjects and controls and to compare ALS subjects with (ALScog) and without (ALSnon-cog) cognitive impairment. MATERIALS AND METHODS: The study was performed in 30 ALS subjects, and 19 healthy controls. Structural T1- and diffusion-weighted MRI data were analyzed using voxel-based morphometry (VBM) and tract-based spatial statistics (TBSS)...
August 9, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28801141/middle-meningeal-artery-aneurysm-associated-with-diffuse-calvarial-metastases-a-case-report-and-review-of-the-literature
#13
LETTER
Abderrahmane Hedjoudje, Adelya Curado, David Tonnelet, Emmanuel Gerardin, Erick Clavier, Chrysanthi Papagiannaki
No abstract text is available yet for this article.
August 8, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28778716/crown-abnormality-in-osmotic-demyelination-syndrome
#14
LETTER
Akifumi Hagiwara, Mihoko Yamazaki, Noritaka Onoda
No abstract text is available yet for this article.
August 1, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28733023/erratum-to-endovascular-thrombectomy-and-medical-therapy-versus-medical-therapy-alone-in-acute-stroke-a-randomized-care-trial-j-neuroradiol-44-2017-198-202
#15
Naim N Khoury, Tim E Darsaut, Jimmy Ghostine, Yan Deschaintre, Nicole Daneault, André Durocher, Sylvain Lanthier, Alexandre Y Poppe, Céline Odier, Louise-Hélène Lebrun, François Guilbert, Jean-Christophe Gentric, André Batista, Alain Weill, Daniel Roy, Serge Bracard, Jean Raymond
No abstract text is available yet for this article.
July 18, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28709707/endovascular-treatment-of-acute-ischemic-stroke-with-eric-device
#16
Laurent Pierot, Jean-Yves Gauvrit, Vincent Costalat, Michel Piotin, Charbel Mounayer, Denis Herbreteau, Sophie Gallas, René Anxionnat, Hubert Desal
BACKGROUND AND PURPOSE: After 6 positive randomized trials, mechanical thrombectomy with stent-retriever is now recommended as a first-line treatment for acute ischemic stroke (AIS). The ERIC device is a device with several interlinked cage-like spheres fixed on a pusher wire. Neurothrombectomy France (NTF) is a registry conducted in France to analyze the results of mechanical thrombectomy. In order to analyze its performances, the subgroup of patients treated with the ERIC device was analyzed...
July 11, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28689601/imaging-features-of-intracranial-psammomatous-meningioma
#17
L Liu, Y Lu, W Peng, D Geng, J Wen, J Xiong, L Zou, B Yin
PURPOSE: This study was conducted to describe the imaging features of intracranial psammomatous meningioma (IPM). MATERIALS AND METHODS: Twenty-three patients with a histopathological diagnosis of IPM between January 2007 and August 2016 were retrospectively reviewed. Twenty-two patients underwent contrast-enhanced MRI scanning, and 16 underwent non-enhanced CT. RESULTS: A total of 23 adult patients (3 men, 20 women; mean age, 55.3±7.0 years) with 30 IPMs, including 3 patients with multiple IPMs, were recruited...
July 6, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28687123/dynamics-of-cerebral-perfusion-deficits-after-aneurysmal-sah%C3%A2-%C3%A2-predictive-value-of-early-mtt-for-subsequent-mtt-deterioration
#18
Christian Rubbert, Julian Caspers, Athanasios Konstandinou Petridis, Bernd Turowski, Rebecca May
BACKGROUND AND PURPOSE: The pathogenesis of poor functional outcome after aneurysmal subarachnoid hemorrhage (aSAH) is not fully understood. Microcirculatory dysfunction, which can be indirectly measured by CT perfusion (CTP), is assumed to play a central role. We evaluated the predictive value of early changes in microcirculation for secondary critical perfusion changes. MATERIALS AND METHODS: Out of 351 consecutive aSAH patients, 166 patients with ≥1 CTP within 72h of ictus (early CTP) and ≥3 CTPs in total were included in the retrospective analysis (53...
July 4, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28687122/evaluation-of-ex-vivo-9-4t-mri-in-post-surgical-specimens-from-temporal-lobe-epilepsy-patients
#19
Benjamin Y M Kwan, Fateme Salehi, Ryan Kope, Donald H Lee, Manas Sharma, Robert Hammond, Jorge G Burneo, David Steven, Terry Peters, Ali R Khan
PURPOSE: This study evaluates hippocampal pathology through usage of ultra-high field 9.4T ex-vivo imaging of resected surgical specimens in patients who have undergone temporal lobe epilepsy surgery. METHOD AND MATERIALS: This is a retrospective interpretation of prospectively acquired data. MRI scanning of resected surgical specimens from patients who have undergone temporal lobe epilepsy surgery was performed on a 9.4T small bore Varian MR magnet. Structural images employed a balanced steady-state free precession sequence (TrueFISP)...
July 4, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28676345/a-six-month-longitudinal-evaluation-significantly-improves-accuracy-of-predicting-incipient-alzheimer-s-disease-in-mild-cognitive-impairment
#20
Asim M Mubeen, Ali Asaei, Alvin H Bachman, John J Sidtis, Babak A Ardekani
RATIONALE AND OBJECTIVES: Early prediction of incipient Alzheimer's disease (AD) dementia in individuals with mild cognitive impairment (MCI) is important for timely therapeutic intervention and identifying participants for clinical trials at greater risk of developing AD. Methods to predict incipient AD in MCI have mostly utilized cross-sectional data. Longitudinal data enables estimation of the rate of change of variables, which along with the variable levels have been shown to improve prediction power...
July 1, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
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