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Journal of Neuroradiology. Journal de Neuroradiologie

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https://read.qxmd.com/read/30731145/anatomo-functional-study-of-the-cerebellum-in-working-memory-in-children-treated-for-medulloblastoma
#1
Duc Ha Hoang, Anne Pagnier, Emilie Cousin, Karine Guichardet, Isabelle Schiff, Celine Icher, Bixente Dilharreguy, Jacques Grill, Didier Frappaz, Claire Berger, Fabien Schneider, Fanny Dubois-Teklali, Alexandre Krainik
INTRODUCTION: Medulloblastoma is the most common malignant cerebral tumor during childhood, arising in the posterior fossa. Children treated for medulloblastoma often experience working memory (WM) deficits, affecting their quality of life and school performance. The aim of the present study undertaken to describe the cerebellar involvement in WM deficits observed in these children. MATERIAL AND METHODS: 23 healthy children and 11 children treated for medulloblastoma were included into study...
February 4, 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30731144/comparison-of-two-preventive-dual-antiplatelet-regimens-for-unruptured-intracranial-aneurysm-embolization-with-flow-diverter-disrupter-a-matched-cohort-study-comparing-cclopidogrel-with-ticagrelor
#2
Sébastien Soize, Cédric Foussier, Pierre-François Manceau, Claude-Fabien Litré, Serge Backchine, Matthias Gawlitza, Laurent Pierot
Purpose-Standard dual antiplatelet therapy (DAPT) for complex aneurysms treated with flow diversion and flow disruption is acetylsalicylic acid (ASA) plus clopidogrel. However, clopidogrel resistance frequently occurs and can lead to thromboembolic events. Ticagrelor is an alternative not requiring platelet inhibition testing. We compared two DAPT regimens (ASA with clopidogrel or ticagrelor) on morbi-mortality, safety and efficacy of unruptured aneurysm embolization with flow diverter/disrupter. Materials and methods-This retrospective analysis of a 1:1 matched cohort compares patients treated with ASA + clopidogrel (March 2013-December 2015) vs ASA + ticagrelor (January 2016-March 2017)...
February 4, 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30677426/the-ability-of-magnetic-resonance-black-blood-vessel-wall-imaging-to-evaluate-blunt-cerebrovascular-injury-following-acute-trauma
#3
Justin E Vranic, Thien J Huynh, Peter Fata, Jason Barber, Robert H Bonow, Michael R Levitt, Nancy Temkin, Ryan Morton, Cory Kelly, Dean K Shibata, Mahmud Mossa-Basha
BACKGROUND AND PURPOSE: Blunt cerebrovascular injury (BCVI) is associated with a significant risk of ischemic stroke when left untreated. Cross-sectional imaging is vital to early BCVI diagnosis and treatment; however, conventional luminal vessel imaging is limited in its ability to evaluate for vessel wall pathology. The purpose of this study is to evaluate the ability of vessel wall MRI (VWI) to detect and evaluate BCVI in acutely injured trauma patients relative to neck CTA. MATERIALS AND METHODS: Trauma patients with suspected BCVI on initial neck CTA were prospectively recruited for VWI evaluation...
January 21, 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30659892/longitudinal-mri-findings-in-patients-with-newly-diagnosed-glioblastoma-after-intraoperative-radiotherapy
#4
Alex Förster, Johannes Böhme, Máté E Maros, Stefanie Brehmer, Marcel Seiz-Rosenhagen, Daniel Hänggi, Frederik Wenz, Christoph Groden, Whitney B Pope, Frank A Giordano
BACKGROUND AND PURPOSE: Postradiation treatment effects (pseudoprogression/radionecrosis) may bias MRI-based tumor response evaluation. To understand these changes specifically after high doses of radiotherapy, we analyzed MRIs of patients enrolled in the INTRAGO study (NCT02104882), a phase I/II dose-escalation trial of intraoperative radiotherapy (20-40 Gy) in glioblastoma. METHODS: INTRAGO patients were evaluated and compared to control patients who received standard therapy with focus on contrast enhancement patterns/volume, T2 lesion volume, and mean rCBV...
January 16, 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30659891/delayed-intra-aneurysmal-migration-of-a-flow-diverter-construct-after-treatment-of-a-giant-aneurysm-of-the-cavernous-internal-carotid-artery
#5
LETTER
Matthias Gawlitza, Sébastien Soize, Pierre-François Mançeau, Laurent Pierot
No abstract text is available yet for this article.
January 16, 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30659890/thrombectomy-or-intravenous-thrombolysis-in-patients-with-nihss-of-5-or-less
#6
Valerio Da Ros, Jonathan Cortese, Olivier Chassin, Aymeric Rouchaud, Mariana Sarov, Jildaz Caroff, Cristian Mihalea, Silvia Minosse, Irina Taifas, Jacopo Scaggiante, Laura Greco, Leon Ikka, Nidhal Ben Achour, Francesca Di Giuliano, Augustin Ozanne, Nicolas Legris, Marina Diomedi, Fabrizio Sallustio, Roberto Floris, Christian Denier, Laurent Spelle
BACKGROUND AND PURPOSE: To compare outcomes of minor stroke patients with intracranial vessel occlusions (IVO) underwent mechanical thrombectomy (MT) versus those treated with intravenous thrombolysis alone (IVT) Methods: We retrospectively reviewed two large prospective stroke databases from two European centers searching for patients admitted with minor stroke (i.e. NIHSS score ≤ 5), baseline mRS = 0 and occlusion of the M1-M2 segment of the middle cerebral artery (MCA). Groups receiving (A) IVT alone and (B) MT+/-IVT were compared...
January 16, 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30658138/arterial-spin-labeling-mri-identifies-residual-cerebral-arteriovenous-malformation-following-stereotactic-radiosurgery-treatment
#7
Jeremy J Heit, Neil H Thakur, Michael Iv, Nancy J Fischbein, Max Wintermark, Robert L Dodd, Gary K Steinberg, Steven D Chang, Krish B Kapadia, Gregory Zaharchuk
BACKGROUND AND PURPOSE: Brain arteriovenous malformation (AVM) treatment by stereotactic radiosurgery (SRS) is effective, but AVM obliteration following SRS may take two years or longer. MRI with arterial-spin labeling (ASL) may detect brain AVMs with high sensitivity. We determined whether brain MRI with ASL may accurately detect residual AVM following SRS treatment. MATERIALS AND METHODS: We performed a retrospective cohort study of patients who underwent brain AVM evaluation by DSA between June 2010 and June 2015...
January 15, 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30658137/y-stenting-with-braided-stents-for-wide-neck-intracranial-bifurcation-aneurysms-a-single-center-initial-experience
#8
Cristian Mihalea, Jildaz Caroff, Leon Ikka, Nidhal Benachour, Valerio Da Ros, Hazem Abdelkhalek, Marta Iacobucci, Joaquin Jose Marenco de la Torre, Igor Pagiola, Thomas Yasuda, Bogdan Valeriu Popa, Horia Ples, Pr Sorin Pescariu, Pr Jacques Moret, Pr Laurent Spelle
INTRODUCTION: The treatment of wide-neck bifurcation aneurysms is still challenging despite the use of new techniques, such as Y-stenting, the waffle-cone technique and intrasaccular flow disrupters, in recent years. Moreover, the use of flow diverter stents in bifurcation aneurysms has been proposed by several teams, although the results remain controversial. This study aims to evaluate the feasibility and efficacy of Y-stent assisted coiling of bifurcation aneurysms with braided stents...
January 15, 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30641099/intracranial-aneurysms-treatment-with-barricade-coils-safety-and-1-year-efficacy-in-a-prospective-single-center-series
#9
Raoul Guerreiro-Simoes, Sébastien Soize, Matthias Gawlitza, Pierre-François Manceau, Laurent Pierot
BACKGROUND AND PURPOSE: Barricade coils (Blockade/Balt, Montmorency, France) are bare platinum coils, electrically detached existing in different shapes, softnesses, and sizes. This series is analyzing the safety (procedural complications) and efficacy (anatomical results at 1-year) of these coils in a prospective, single-center series. MATERIALS AND METHODS: All patients with aneurysms treated with Barricade coils, without associated treatment (flow diverter, flow disrupter, or surgery) or parent artery occlusion were included...
January 11, 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30578796/endovascular-treatment-of-distal-anterior-cerebral-artery-aneurysms-long-term-results
#10
Liao Liang, Derelle Anne-Laure, Merlot Isabelle, Civit Thierry, Audibert Gérard, Tonnelet Romain, Gory Benjamin, Anxionnat René, Bracard Serge
BACKGROUND AND PURPOSE: Endovascular therapy is the first-line therapeutic option for intracranial aneurysms, however the results of the endovascular approach for distal anterior cerebral artery (DACA) aneurysms are not well known. We assessed the immediate and long-term clinical and angiographic outcomes after endovascular coiling of DACA aneurysms. MATERIALS AND METHODS: We performed a retrospective analysis of all consecutive DACA aneurysms treated by endovascular coiling...
December 19, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30513289/endovascular-management-of-spontaneous-delayed-migration-of-the-flow-diverter-stent
#11
Yuan-Hsiung Tsai, Ho-Fai Wong, Shih-Wei Hsu
BACKGROUND AND PURPOSE: Spontaneous delayed migration of the flow-diverter stent (FD) is an unusual complication that can be fatal. The purpose of this study is to report our experience and review the literature for the management of delayed FD migration. MATERIALS AND METHODS: Between November 2013 and June 2017, 122 patients treated by FD at our institution were enrolled. We also performed a comprehensive review of the literature. RESULTS: Six patients (4...
December 1, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30500359/diffusion-weighted-imaging-may-help-differentiate-intracranial-hemangiopericytoma-from-meningioma
#12
Jai Jai Shiva Shankar, Luke Hodgson, Namita Sinha
BACKGROUND AND PURPOSE: Hemangiopericytoma and meningioma appear similar on routine diagnostic imaging and hence are difficult to distinguish. The purpose of our study was to examine the diffusion weighted imaging (DWI) characteristics of these two types of tumours. METHODS: In a retrospective study, each patient with hemangiopericytoma was matched with two meningioma patients based on tumour location and size. Minimum and mean apparent diffusion coefficients (ADC) were measured in the tumour and the contralateral normal-appearing white matter (NAWM)...
November 27, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30500358/specificities-of-arterial-spin-labeling-asl-abnormalities-in-acute-seizure
#13
Mathieu Schertz, Mathieu Benzakoun, Nadya Pyatigorskaya, Samia Belkacem, Melika Sahli-Amor, Vincent Navarro, Clément Cholet, Delphine Leclercq, Didier Dormont, Bruno Law-Ye
PURPOSE: Arterial spin labeling (ASL) is a non-invasive tool measuring cerebral blood flow (CBF) and is useful to assess acute neurological deficit. While acute stroke presents as hypoperfused vascular territory, epileptic activity causes cortical hyperperfusion. Other neurological conditions exhibit hyperperfusion, like migraine or secondary "luxury perfusion" in strokes. Our objectives were to evaluate the usefulness and potential specificities of ASL in acute seizure and correlate it with electroencephalogram...
November 27, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30500357/cytotoxic-lesion-of-the-corpus-callosum-exclusively-at-the-genu-in-a-case-of-callosal-hypogenesis
#14
LETTER
Moeri Tsuji, Pin Fee Chong, Fumiya Yamashita, Kenichi Maeda, Ryutaro Kira
No abstract text is available yet for this article.
November 27, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30665543/history-and-evolution-of-the-journal-of-neuroradiology
#15
EDITORIAL
Douraied Ben Salem
No abstract text is available yet for this article.
February 2019: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30448429/endovascular-management-of-multiple-intracranial-dural-arteriovenous-fistulas
#16
Ching-Chang Chen, Young Dae Cho, Dong Hyun Yoo, Jusun Moon, Jeongjun Lee, Hyun-Seung Kang, Jeong Eun Kim, Won-Sang Cho, Moon Hee Han
BACKGROUND AND PURPOSE: Multiply occurring intracranial dural arteriovenous fistulas (dAVFs) have been documented but rarely occur, and neither pathogenesis nor prognosis is clearly understood. This study was conducted to analyze angiographic characteristics of multiple dAVFs and to chronicle our treatment experience. METHODS: Between April, 2002 and January, 2018, data prospectively collected from 310 patients with intracranial dAVFs were systematically reviewed, assessing clinical and anatomic outcomes of endovascular treatment in 32 patients with multiple dAVFs (≥ 2 fistulas each)...
November 16, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30448428/congenital-zika-syndrome-associated-with-findings-of-cerebellar-cortical-dysplasia-broadening-the-spectrum-of-presentation-of-the-syndrome
#17
LETTER
Bruno Niemeyer de Freitas Ribeiro, Edson Marchiori
No abstract text is available yet for this article.
November 15, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30448427/brain-embolization-of-a-healthy-artery-fragment-as-a-complication-of-a-cardiac-catheterization
#18
L Martín-Aguilar, M Hernández-Pérez, A Planas-Ballvé, J Broto, C Llibre, E Fernández-Nofrerias, C Castaño, S Remollo, J-L Subirats, L Dorado, M Millán
Ischemic stroke is the most common neurological complication of cardiac catheterization resulting in a high morbidity and mortality. We present a 44-year-old man admitted for vasospastic angina that suffered a right middle cerebral artery (MCA) occlusion after a cardiac catheterization. Mechanical thrombectomy was indicated and complete arterial recanalization was achieved. The material obtained showed a fragment of a healthy artery. Partial radial endarterectomy and cerebral embolization may be a rare complication of cardiac catheterization...
November 15, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30439396/differentiation-between-glioblastoma-and-solitary-brain-metastasis-using-neurite-orientation-dispersion-and-density-imaging
#19
Yoshihito Kadota, Toshinori Hirai, Minako Azuma, Yohei Hattori, Zaw Aung Khant, Masaaki Hori, Kiyotaka Saito, Kiyotaka Yokogami, Hideo Takeshima
BACKGROUND AND PURPOSE: Neurite orientation dispersion and density imaging (NODDI) is a new technique that applies a three-diffusion-compartment biophysical model. We assessed the usefulness of NODDI for the differentiation of glioblastoma from solitary brain metastasis. METHODS: NODDI data were prospectively obtained on a 3T magnetic resonance imaging (MRI) scanner from patients with previously untreated, histopathologically confirmed glioblastoma (n = 9) or solitary brain metastasis (n = 6)...
November 12, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://read.qxmd.com/read/30439395/association-between-carotid-artery-plaque-inflammation-and-brain-mri
#20
Luca Saba, Letizia Lai, Pierleone Lucatelli, Roberto Sanfilippo, Roberto Montisci, Jasjit S Suri, Gavino Faa
PURPOSE: To explore the association between presence of inflammatory cells in the carotid plaques surgically treated and brain MRI findings. MATERIAL AND METHODS: Forty consecutive patients were prospectively analyzed. Brain MRI was performed with a 1.5 Tesla scanner and infacts (lacuna and non-lacunar) pertinence of the anterior circulation were recorded. All patients underwent carotid endarterectomy "en bloc"; carotid plaques histological sections were prepared and immuno-cytochemical analysis was performed to characterize and quantify the presence of inflammatory cells...
November 12, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
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