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Clinical Neuroradiology

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https://www.readbyqxmd.com/read/28321460/complication-risk-factors-in-anterior-choroidal-artery-aneurysm-treatment
#1
Arthur André, Anne-Laure Boch, Federico Di Maria, Aurélien Nouet, Nader Sourour, Stéphane Clémenceau, Joseph Gabrieli, Vincent Degos, Chiheb Zeghal, Jacques Chiras, Philippe Cornu, Frédéric Clarençon
OBJECT: The anterior choroidal artery (AChoA) is a rare location for intracranial aneurysms. The treatment of these aneurysms may be challenging due to the risk of occlusion of such a small and eloquent artery as the AChoA. We aimed to evaluate the risk factors for complications in AChoA aneurysm treatment. METHODS: We retrospectively analyzed 47 consecutive AChoA aneurysms in 40 patients treated in our institution from 1999 and 2014 by endovascular means (87%) or surgical clipping (13%)...
March 20, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28314911/teaching-neuroimages-obscured-cerebral-infarction-on-mri
#2
Masaaki Hori, Ryusuke Irie, Michimasa Suzuki, Shigeki Aoki
No abstract text is available yet for this article.
March 17, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28289757/optimization-of-the-surgical-approach-in-avms-using-mri-and-4d-dsa-fusion-technique-a%C3%A2-technical-note
#3
S Tritt, B Ommer, S Gehrisch, S Klein, V Seifert, J Berkefeld, J Konczalla
PURPOSE: Previously published data demonstrated the possibility of displaying the angioarchitecture of intracranial vascular malformations using time-resolved 3D imaging (4D digital subtraction angiography [DSA]). The purpose of our study was to prove the technical feasibility of creating fused images of time-resolved 3D reconstructions and MPRAGE MRI data sets and to check the reliability of the correct anatomical display of the angioma nidus and the venous drainage in the fused images of patients with intracranial arteriovenous malformations (AVM)...
March 13, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28289756/predictive-value-of-pooled-cerebral-blood-volume-mapping-for-final-infarct-volume-in-patients-with-major-artery-occlusions-a%C3%A2-retrospective-analysis
#4
Lauma Ava, Joachim Berkefeld, Arne Lauer, Alexander Seiler, Waltraud Pfeilschifter, Monika Müller-Eschner, Se-Jong You, Stefan Weidauer, Ulrich Pilatus, Marlies Wagner
PURPOSE: Detection of ischemic core and collateral status is helpful to predict clinical success of thrombectomy in acute cerebral artery occlusion. Angiographic flat panel detector computed tomography (CT) with pooled blood volume (PBV) data acquisition was described to be helpful to estimate ischemic core in stroke patients prior to thrombectomy and to depict cerebral vessels. We therefore retrospectively evaluated preinterventional PBV data of a large collective of ischemic stroke patients prior to thrombectomy to test its predictive value on final infarct considering PBV maps and collateral status...
March 13, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28271160/one-stop-management-in-acute-stroke-first-mothership-patient-transported-directly-to-the-angiography-suite
#5
Marios-Nikos Psychogios, Mathias Bähr, Jan Liman, Michael Knauth
No abstract text is available yet for this article.
March 7, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28265679/flairfusion-processing-with-contrast-inversion-improving-detection-and-reading-time-of-new-cerebral-ms-lesions
#6
M A Schmidt, R A Linker, S Lang, H Lücking, T Engelhorn, S Kloska, M Uder, A Cavallaro, A Dörfler, P Dankerl
PURPOSE: To evaluate the performance of an innovative image processing approach for detection of T2-weighted hyperintense multiple sclerosis (MS) lesions. METHODS: In this study 20 consecutive patients with inflammatory demyelinating lesions were retrospectively evaluated of whom 10 patients featured progressive disease and 10 a stable lesion load. 3 mm transversal FLAIRfusion imaging was processed and archived. Image processing was performed through landmark-based 3D co-registration of the previous and current isotropic FLAIR examination followed by inversion of image contrast...
March 6, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28258282/evaluation-of-auditory-pathways-using-dti-in-patients-treated-with-gamma-knife-radiosurgery-for-acoustic-neuroma-a%C3%A2-preliminary-report
#7
Serpil Kurtcan, Mustafa Aziz Hatiboglu, Alpay Alkan, Huseyin Toprak, Mehmet Hakan Seyithanoglu, Ayse Aralasmak, Bahar Atasoy, Omer Uysal
PURPOSE: We aimed to evaluate the change in bilateral auditory pathways using diffusion tensor imaging (DTI) after gamma knife radiosurgery (GKR) and to determine the relationship between the radiosurgical treatment variables and DTI findings. METHODS: In this study 13 patients with unilateral acoustic neuroma and 11 controls underwent routine magnetic resonance imaging (MRI) and DTI. The apparent diffusion coefficient (ADC) and fractional anisotropy (FA) were measured from the bilateral auditory pathways in all individuals before and after GKR...
March 3, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28258281/radiological-findings-of-two-sisters-with-aceruloplasminemia-presenting-with-chorea
#8
H K Kim, C S Ki, Y J Kim, M S Lee
No abstract text is available yet for this article.
March 3, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28255606/reversal-of-ct-hypodensity-in-chronic-ischemic-stroke-a%C3%A2-different-kind-of-fogging
#9
Matthias P Fabritius, Philipp M Kazmierczak, Kolja M Thierfelder, Wolfgang G Kunz
No abstract text is available yet for this article.
March 2, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28194477/maximizing-first-pass-complete-reperfusion-with-save
#10
Volker Maus, Daniel Behme, Christoph Kabbasch, Jan Borggrefe, Ioannis Tsogkas, Omid Nikoubashman, Martin Wiesmann, Michael Knauth, Anastasios Mpotsaris, Marios Nikos Psychogios
BACKGROUND: Endovascular techniques for treatment of large vessel occlusions (LVO) in patients with acute ischemic stroke (AIS) have advanced in recent years. We report a multicenter experience using a combined aspiration and stent retriever technique for mechanical thrombectomy (MT). METHODS: We retrospectively analyzed 32 consecutive MT patients using a novel, combined approach of Stent retriever Assisted Vacuum-locked Extraction (SAVE) by 3 operators at 3 stroke centers...
February 13, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28184950/orbital-cellulitis-with-apparent-thrombosis-of-the-left-cavernous-sinus-and-perioptical-abscess-formation
#11
B E Grüter, A Pangalu, K Landau, W Wichmann
No abstract text is available yet for this article.
February 9, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28150223/growth-of-untreated-unruptured-small-sized-aneurysms-%C3%A2-%C2%BA7mm-incidence-and-related-factors
#12
Hyun Ho Choi, Young Dae Cho, Jin Pyeong Jeon, Dong Hyun Yoo, Jusun Moon, Jeongjun Lee, Hyun-Seung Kang, Won-Sang Cho, Jeong Eun Kim, Li Zhang, Moon Hee Han
PURPOSE: The need to treat small (<7 mm) unruptured aneurysms is still controversial, despite data collected through several large cohort studies. Such lesions typically are incidental findings, usually followed for potential growth through serial imaging. For this study, growth estimates for untreated unruptured small-sized aneurysms were generated, examining incidence and related risk factors. METHODS: A cohort of 135 consecutive patients harboring 173 untreated unruptured small-sized aneurysms (<7 mm) was subjected to extended monitoring (mean, 73...
February 1, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28144702/endovascular-thrombectomy-in-acute-ischemic-stroke-outcome-in-referred-versus-directly-admitted-patients
#13
Philipp Bücke, Marta Aguilar Pérez, Elisabeth Schmid, Christian H Nolte, Hansjörg Bäzner, Hans Henkes
PURPOSE: Endovascular mechanical thrombectomy (mTE) in acute ischemic stroke due to large cerebral artery occlusion is effective and safe. The procedure is currently offered by specialized hospitals. Physicians from smaller hospitals need to refer patients to stroke centers. Secondary referrals involve delays for transportation. Little is known about effects of distant referrals on outcome and complications as compared to direct admittance. METHODS: To evaluate the effects of referral patterns on outcome and safety, we analyzed 941 patients with anterior circulation stroke receiving mTE between January 2010 and December 2015...
January 31, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28130565/freiburg-neuropathology-case-conference-a%C3%A2-cystic-lesion-of-the-cerebellum-in-an-adolescent
#14
C A Taschner, D Erny, B Sajonz, H Urbach, K Guggenberger, M Prinz
No abstract text is available yet for this article.
January 27, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28124072/the-time-reset-effect-thrombectomy-trials-challenge-the-existence-of-a%C3%A2-time-window
#15
EDITORIAL
Jens Fiehler
No abstract text is available yet for this article.
January 25, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28124071/siesta-thrombectomy-as-you-like
#16
EDITORIAL
Martin Bendszus
No abstract text is available yet for this article.
January 25, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28116447/localized-n20-component-of-somatosensory-evoked-magnetic-fields-in-frontoparietal-brain-tumor-patients-using-noise-normalized-approaches
#17
Nor Safira Elaina, Aamir Saeed Malik, Wafaa Khazaal Shams, Nasreen Badruddin, Jafri Malin Abdullah, Mohammad Faruque Reza
PURPOSE: To localize sensorimotor cortical activation in 10 patients with frontoparietal tumors using quantitative magnetoencephalography (MEG) with noise-normalized approaches. MATERIAL AND METHODS: Somatosensory evoked magnetic fields (SEFs) were elicited in 10 patients with somatosensory tumors and in 10 control participants using electrical stimulation of the median nerve via the right and left wrists. We localized the N20m component of the SEFs using dynamic statistical parametric mapping (dSPM) and standardized low-resolution brain electromagnetic tomography (sLORETA) combined with 3D magnetic resonance imaging (MRI)...
January 23, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28097371/high-resolution-diffusion-weighted-imaging-for-solitary-orbital-tumors-3d-turbo-field-echo-with-diffusion-sensitized-driven-equilibrium-dsde-tfe-preparation-technique
#18
Akio Hiwatashi, Osamu Togao, Koji Yamashita, Kazufumi Kikuchi, Hiroshi Yoshikawa, Makoto Obara, Hiroshi Honda
PURPOSE: To differentiate cystic from solid solitary intraorbital tumors using 3D turbo field echo with diffusion-sensitized driven-equilibrium preparation without contrast material. MATERIALS AND METHODS: This retrospective study was approved by our institutional review boards, and written informed consent was waived. A total of 26 patients with intraorbital tumors were studied. Motion probing gradients were conducted at one direction with b‑values of 0 and 500 s/mm(2)...
January 17, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28083622/aspiration-thrombectomy-in-clinical-routine-interventional-stroke-treatment-is-this-the-end-of-the-stent-retriever-era
#19
S Prothmann, B Friedrich, T Boeckh-Behrens, C Zimmer, J Kaesmacher, K Lucia, C Maegerlein
PURPOSE: The aim of our study was the technical evaluation of a first pass approach of primary thrombus aspiration (AST) in patients with emergency large intracerebral vessel occlusions (ELVO) under routine clinical conditions. MATERIALS AND METHODS: We collected procedural and clinical data of 104 patients who underwent mechanical thrombectomy due to ELVO between June 2014 and January 2016 with intentional first-line thrombus aspiration. Procedures were conducted due to occlusions of the distal internal carotid artery, middle cerebral artery, anterior cerebral artery, basilar artery and posterior cerebral artery and were performed with the patient under either conscious sedation or general anesthesia...
January 12, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28160024/cnr-1-17-societies-communications
#20
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Clinical Neuroradiology
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