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Clinical Neuroradiology

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https://www.readbyqxmd.com/read/29209882/hemodynamics-of-focal-versus-global-growth-of-small-cerebral-aneurysms
#1
Paolo Machi, Rafik Ouared, Olivier Brina, Pierre Bouillot, Hasan Yilmaz, Maria I Vargas, Renato Gondar, Philippe Bijlenga, Karl O Lovblad, Zsolt Kulcsár
BACKGROUND AND PURPOSE: Hemodynamics play a driving role in the life cycle of brain aneurysms from initiation through growth until eventual rupture. The specific factors behind aneurysm growth, especially in small aneurysms, are not well elucidated. The goal of this study was to differentiate focal versus general growth and to analyze the hemodynamic microenvironment at the sites of enlargement in small cerebral aneurysms. MATERIALS AND METHODS: Small aneurysms showing growth during follow-up were identified from our prospective aneurysm database...
December 5, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29196778/disappearing-leukoencephalopathy-a%C3%A2-case-of-relapsing-remitting-intravascular-large-b%C3%A2-cell-lymphoma-with-transient-spontaneous-radiographic-regression
#2
Amy M Chan, Anita Huttner, Joachim Baehring
No abstract text is available yet for this article.
December 1, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29196777/freiburg-neuropathology-case-conference-intradural-intramedullary-mass-lesion-in-a%C3%A2-66-year-old-patient
#3
C A Taschner, R Sankowski, U Hubbe, H Urbach, H Schacht, M Prinz
No abstract text is available yet for this article.
December 1, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29150710/computed-tomography-perfusion-is-a%C3%A2-useful-adjunct-to-computed-tomography-angiography-in-the-diagnosis-of-brain-death
#4
M Sawicki, J Sołek-Pastuszka, K Chamier-Ciemińska, A Walecka, J Walecki, R Bohatyrewicz
BACKGROUND: In the diagnosis of brain death (BD), computed tomography angiography (CTA) results in some cases show intracranial filling, leading to diagnostic confusion. Because cerebral circulatory arrest commences at the capillary level, we hypothesized that computed tomography perfusion (CTP) would be a more sensitive approach than CTA; therefore, the aim of the study was to compare the sensitivities of CTP and CTA in the diagnosis of BD. MATERIAL AND METHODS: Whole brain CTP was performed in patients in the intensive care unit diagnosed with BD and CTA was derived from CTP datasets...
November 17, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29149358/clinically-directed-neuroimaging-of-ophthalmoplegia
#5
REVIEW
Lucia Danieli, Margherita Montali, Luca Remonda, Hanspeter E Killer, Cesare Colosimo, Alessandro Cianfoni
PURPOSE: Ophthalmoplegia (OP) can have numerous etiologies and different clinical presentations. Most causes of OP can be narrowed down to specific anatomical locations based on clinical information. The aim of this study was to outline the different categories of diseases encountered in patients with OP, based on the location along the ocular motor pathways, and the most appropriate imaging modality for the given scenarios. METHODS: Representative neuroimaging examples of pathological processes causing OP are displayed, sequenced by anatomical location and disease category...
November 17, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29149357/recommendations-for-mechanical-thrombectomy-in-patients-with-acute-ischemic-stroke-a%C3%A2-clinical-guide-by-the-hellenic-stroke-organization
#6
REVIEW
Panagiotis Papanagiotou, George Ntaios, Vasileios Papavasileiou, Klearchos Psychogios, Marios Psychogios, Anastasios Mpotsaris, Timolaos Rizos, Konstantinos Spengos, Miltiadis Gravanis, Sofia Vassilopoulou, Christos Gkogkas, Petros Zampakis, Panagiotis Zis, Apostolos Karantanas, Michail Karygiannis, Georgios Karydas, Eleni Korompoki, Konstantinos Makaritsis, Konstantinos Marmagkiolis, Haralambos Milionis, Dimos Mitsikostas, Dimitrios Nikas, Androniki Plomaritoglou, Maria Politi, Nikolaos Ptochis, Christos Savopoulos, Konstantinos Takis, Nikolaos Tsamopoulos, Dimitrios Tsetis, Adam Hatzidakis, Achilleas Chatziioannou, Apostolos Hatzitolios, Konstantinos Vemmos
This document presents the consensus recommendations of the Hellenic Stroke Organization which can be of assistance to the treating stroke physicians.
November 17, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29149356/early-occurrence-of-sinking-skin-flap-syndrome-in-a%C3%A2-state-of-intracranial-hypertension-case-report
#7
Jeongwook Lim, Hyon-Jo Kwon, Seon-Hwan Kim, Hyeon-Song Koh, Seung-Won Choi
No abstract text is available yet for this article.
November 17, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29149355/find-applications
#8
EDITORIAL
Horst Urbach
No abstract text is available yet for this article.
November 17, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29147736/leukoencephalopathy-with-brain-stem-and-spinal-cord-involvement-and-not-always-lactate-elevation
#9
Ralph Werner, Elisabeth Daum, Stephan Felber, Johannes C Wöhrle
No abstract text is available yet for this article.
November 16, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29147735/reduction-of-metallic-artifacts-of-the-post-treatment-intracranial-aneurysms-effects-of-single-energy-metal-artifact-reduction-algorithm
#10
Yu-Ning Pan, Ge Chen, Ai-Jing Li, Zhao-Qian Chen, Xiang Gao, Yi Huang, Bradley Mattson, Shan Li
PURPOSE: This study evaluated the quality of computed tomography (CT) and CT angiography images generated using the single-energy metal artifact reduction (SEMAR) algorithm during perfusion examination in patients who had undergone reconstruction with neurosurgical clipping or endovascular coiling for treatment of aneurysms. METHODS: A total of 55 patients with implanted intracranial clips or coils (24 men and 31 women; mean age 60.15 ± 15.86 years) underwent perfusion studies evaluated by CT and CT angiography with a 320-row CT scanner...
November 16, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29147734/information
#11
(no author information available yet)
No abstract text is available yet for this article.
November 16, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29101412/concomitant-retroperitoneal-and-subarachnoid-hemorrhage-due-to-segmental-arterial-mediolysis-case-report-and-review-of-the-literature
#12
V Hellstern, M Aguilar Pérez, P Kohlhof-Meinecke, H Bäzner, O Ganslandt, H Henkes
No abstract text is available yet for this article.
November 3, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29101411/prof-dr-%C3%A2-f-%C3%A2-e-%C3%A2-zanella-a%C3%A2-training-and-development-mentor-in-neuroradiology
#13
EDITORIAL
H Lanfermann, R D de Rochemont, J Berkefeld
No abstract text is available yet for this article.
November 3, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29098320/iatrogenic-vessel-dissection-in-endovascular-treatment-of-acute-ischemic-stroke
#14
Barbara Goeggel Simonetti, Justine Hulliger, Etienne Mathier, Simon Jung, Urs Fischer, Hakan Sarikaya, Johannes Slotboom, Gerhard Schroth, Pasquale Mordasini, Jan Gralla, Marcel Arnold
PURPOSE: Knowledge about the localization and outcome of iatrogenic dissection (ID) during endovascular treatment of acute ischemic stroke (AIS) is limited. We aimed to determine the frequency, clinical aspects and morphology of ID in endovascular AIS treatment and to identify predictors of this complication. METHODS: Digital subtraction angiography (DSA) of ID carried out during endovascular treatment between January 2000 and March 2012 have been re-evaluated. The ID localization and morphology were analyzed and related to the interventional techniques...
November 2, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29080036/the-size-of-ruptured-intracranial-aneurysms-a%C3%A2-10-year-series-from-a%C3%A2-single-center
#15
Muhammad AlMatter, P Bhogal, M Aguilar Pérez, S Schob, V Hellstern, H Bäzner, O Ganslandt, H Henkes
PURPOSE: There is a controversy concerning the risk of rupture of small intracranial aneurysms. We sought to determine the size and morphological features of ruptured intracranial aneurysms. MATERIAL AND METHODS: The hospital files and images from all patients referred during one decade (2007-2016) to a specialized neurovascular center were retrospectively reviewed. Neck diameter, fundus depth and width as well as neck width based on catheter angiography were measured...
October 27, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29071386/3d-fast-spin-echo-t1%C3%A2-black-blood-imaging-for-the-preoperative-detection-of-venous-sinus-invasion-by-meningioma-comparison-with-contrast-enhanced-mrv
#16
Dongdong Wang, Yiping Lu, Bo Yin, Mingyu Chen, Daoying Geng, Li Liu, Jianbo Wen, Ping Zhong, Yuan Li
OBJECTIVES: To prospectively evaluate the diagnostic value of 3D fast spin-echo (FSE) T1 black-blood magnetic resonance (MR) imaging (3D CUBE T1WI) in comparison with contrast-enhanced MR venography (CE-MRV) in the detection of sinus invasion by meningiomas. METHODS: In this study forty consecutive patients with suspected meningiomas adjacent to venous sinus underwent conventional MR imaging, CE-MRV and 3D CUBE T1WI scans. Images obtained by each technique were assessed independently by two neuroradiologists for (1) wall invasion and (2) lumen occlusion of the target venous sinus...
October 25, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29058014/quantitative-rapid-assessment-of-leukoaraiosis-in-ct-comparison-to-gold-standard-mri
#17
Uta Hanning, Peter Bernhard Sporns, Rene Schmidt, Thomas Niederstadt, Jens Minnerup, Georg Bier, Stefan Knecht, André Kemmling
PURPOSE: The severity of white matter lesions (WML) is a risk factor of hemorrhage and predictor of clinical outcome after ischemic stroke; however, in contrast to magnetic resonance imaging (MRI) reliable quantification for this surrogate marker is limited for computed tomography (CT), the leading stroke imaging technique. We aimed to present and evaluate a CT-based automated rater-independent method for quantification of microangiopathic white matter changes. METHODS: Patients with suspected minor stroke (National Institutes of Health Stroke scale, NIHSS < 4) were screened for the analysis of non-contrast computerized tomography (NCCT) at admission and compared to follow-up MRI...
October 20, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29052743/letter-to-the-editor-regarding-growth-of-untreated-unruptured-small-sized-aneurysms-7%C3%A2-mm-incidence-and-related-factors
#18
LETTER
Ajay Malhotra, Xiao Wu, Long Tu, Kimberly Seifert
No abstract text is available yet for this article.
October 20, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29051996/diffusion-weighted-mri-stroke-volume-following-recanalization-treatment-is-threshold-dependent
#19
Rani Gupta Sah, Christopher D d'Esterre, Michael D Hill, Moiz Hafeez, Sana Tariq, Nils D Forkert, Andrew M Demchuk, Mayank Goyal, Philip A Barber
PURPOSE: Infarct lesion segmentation has been problematic as there are a wide range of relative and absolute diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) thresholds that have been used for this purpose. We examined differences of stroke lesion volume and evolution evaluated by magnetic resonance imaging (MRI) during the immediate post-treatment phase (<5 h) and at 24 h. METHODS: In this study 33 acute ischemic stroke patients were imaged with MRI <5 h and 24 h post-reperfusion treatment...
October 19, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29030674/magnetic-resonance-neurography-normal-values-and-demographic-determinants-of-nerve-caliber-and-t2-relaxometry-in-60-healthy-individuals
#20
Moritz Kronlage, Véronique Schwehr, Daniel Schwarz, Tim Godel, Sabine Heiland, Martin Bendszus, Philipp Bäumer
PURPOSE: To establish normal values and to identify demographic determinants of quantitative biomarkers in magnetic resonance neurography (MRN). METHODS: In this study 60 healthy individuals (5 men and 5 women of every decade between 20 and 80 years) were examined according to a standardized MRN protocol at 3 T, including multiecho T2 relaxometry. Nerve cross-sectional area (CSA), transverse relaxation time (T2), and proton spin density (PSD) were assessed for the sciatic, tibial, median, ulnar, and radial nerves...
October 13, 2017: Clinical Neuroradiology
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