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Neuroradiology

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https://www.readbyqxmd.com/read/29051208/redefining-the-pulvinar-sign-in-fabry-disease
#1
S Cocozza, C Russo, A Pisani, G Olivo, E Riccio, A Cervo, G Pontillo, S Feriozzi, M Veroux, Y Battaglia, D Concolino, F Pieruzzi, R Mignani, P Borrelli, M Imbriaco, A Brunetti, E Tedeschi, G Palma
BACKGROUND AND PURPOSE: The pulvinar sign refers to exclusive T1WI hyperintensity of the lateral pulvinar. Long considered a common sign of Fabry disease, the pulvinar sign has been reported in many pathologic conditions. The exact incidence of the pulvinar sign has never been tested in representative cohorts of patients with Fabry disease. The aim of this study was to assess the prevalence of the pulvinar sign in Fabry disease by analyzing T1WI in a large Fabry disease cohort, determining whether relaxometry changes could be detected in this region independent of the pulvinar sign positivity...
October 19, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29051202/health-care-economics-a-study-guide-for-neuroradiology-fellows-part-2
#2
REVIEW
S L Weiner, R Tu, R Javan, M R Taheri
In this second article, we continue the review of current health care economics as it relates to radiologists, specifically framed by topics defined by the Accreditation Council for Graduate Medical Education in the evaluation of neuroradiology fellows. The discussion in this article is focused on topics pertaining to levels 4 and 5, which are the more advanced levels of competency defined by the Accreditation Council for Graduate Medical Education Neuroradiology Milestones on Health Care Economics and System Based Practice...
October 19, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29050399/diagnostic-criteria-for-chronic-lymphocytic-inflammation-with-pontine-perivascular-enhancement-responsive-to-steroids-clippers
#3
W Oliver Tobin, Yong Guo, Karl N Krecke, Joseph E Parisi, Claudia F Lucchinetti, Sean J Pittock, Jay Mandrekar, Divyanshu Dubey, Jan Debruyne, B Mark Keegan
Chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS) is a central nervous system inflammatory syndrome predominantly affecting the brainstem, cerebellum, and spinal cord. Following its initial description, the salient features of CLIPPERS have been confirmed and expanded upon, but the lack of formalized diagnostic criteria has led to reports of patients with dissimilar features purported to have CLIPPERS. We evaluated clinical, radiological and pathological features of patients referred for suspected CLIPPERS and propose diagnostic criteria to discriminate CLIPPERS from non-CLIPPERS aetiologies...
September 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29046467/-clinical-characteristics-of-craniocervical-junction-arteriovenous-fistulas
#4
Michio Nakamura, Tadashi Miyazaki, Natsuki Shinozaki, Masaki Izumi, Takashi Itabashi
OBJECTIVE: Craniocervical junction arteriovenous fistulas(CCJ-AVFs)are extremely rare lesions that may result in both subarachnoid hemorrhage(SAH)and myelopathy. Diagnosis of CCJ-AVF is difficult and may be delayed due to variable clinical features and a spectrum of neuroradiological findings. To elucidate the clinical characteristics of CCJ-AVF, we analyzed the clinical symptoms, neuroimaging findings, and the results of surgical treatment in five patients. RESULTS: Among the five patients, four were diagnosed with dural AVFs, and the remaining patient was diagnosed with radicular AVF...
October 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/29040146/the-role-of-preoperative-imaging-in-the-management-of-nonsyndromic-lambdoid-craniosynostosis
#5
Kavitha Ranganathan, Antonio Rampazzo, Asra Hashmi, Karin Muraszko, Jennifer Strahle, Christian J Vercler, Steven R Buchman
BACKGROUND: The necessity of imaging for patients with craniosynostosis is controversial. Lambdoid synostosis is known to be associated with additional anomalies, but the role of imaging in this setting has not been established. The purpose of this study was to evaluate the impact of preoperative imaging on intraoperative and postoperative management among patients undergoing operative intervention for lambdoid craniosynostosis. METHODS: A retrospective review of patients undergoing cranial vault remodeling for lambdoid craniosynostosis between January 2006 and 2014 was conducted...
October 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29039692/imaging-spectrum-of-immunomodulating-chemotherapeutic-and-radiation-therapy-related-intracranial-effects
#6
Christie Mary Lincoln, Peter Fata, Susan Sotardi, Michael Pohlen, Tomas Uribe, Jacqueline A Bello
OBJECTIVE: A wide range of treatment-related side effects result in specific neurologic symptoms and signs and neuroimaging features. Even to the most seasoned neuroradiologist, elucidating therapy-related side effects from other common mimics can be challenging. We provide a pictorial survey of some common and uncommon medication induced and therapy related neuroimaging manifestations, discuss pathophysiology and common pitfalls in imaging and diagnosis. METHODS/RESULTS: A case based review is utilized to depict scenarios on a routine basis in a general radiology or neuroradiology practice such as medication induced PRES to the more challenging cases of pseudoprogression and pseudoregression in temozolmide and bevacizumab therapy in gliobastoma treatment protocols...
October 17, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/29032887/virtual-simulation-in-enhancing-procedural-training-for-fluoroscopy-guided-lumbar-puncture-a-pilot-study
#7
Saad Ali, Monther Qandeel, Rishi Ramakrishna, Carina W Yang
RATIONALE AND OBJECTIVES: Fluoroscopy-guided lumbar puncture (FGLP) is a basic procedural component of radiology residency and neuroradiology fellowship training. Performance of the procedure with limited experience is associated with increased patient discomfort as well as increased radiation dose, puncture attempts, and complication rate. Simulation in health care is a developing field that has potential for enhancing procedural training. We demonstrate the design and utility of a virtual reality simulator for performing FGLP...
October 9, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29025720/health-care-economics-a-study-guide-for-neuroradiology-fellows-part-1
#8
REVIEW
S L Weiner, R Tu, R Javan, M R Taheri
Few resources are available in the medical literature for a comprehensive review of current health care economics as it relates to radiologists, specifically framed by topics defined by the Accreditation Council for Graduate Medical Education in the evaluation of neuroradiology fellows. Therefore, we present a comprehensive review article as a study guide for fellows to learn from and gain competence in the Accreditation Council for Graduate Medical Education neuroradiology milestones on health care economics...
October 12, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29025313/table-of-contents-14th-congress-of-the-world-federation-of-interventional-and-therapeutic-neuroradiology-program-of-symposium-for-nurses-technicians-and-radiographers-in-cooperation-with-esmint
#9
(no author information available yet)
No abstract text is available yet for this article.
October 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29018655/the-involvement-of-sensory-motor-networks-in-reflex-seizure
#10
Hime Suzuki, Rei Enatsu, Aya Kanno, Satoko Ochi, Takashi Murahara, Shogo Yazawa, Hideaki Shiraishi, Nobuhiro Mikuni
Reflex seizures are epileptic events triggered by specific external stimuli, or less commonly, internal mental stimuli. Understanding the characteristics of reflex seizures is important to elucidate the mechanisms underlying network abnormalities in epileptic conditions. This report details a patient with medically intractable reflex seizures provoked by sensory stimuli to the patient's right foot. Single-photon emission computed tomography (SPECT) during the seizure induced by sensory stimulation showed hyperperfusion in broad sensory-motor networks (dorsal column-medial lemniscus pathway, left thalamus, bilateral postcentral gyri and posterior parietal cortices, left supplementary motor area (SMA), and left paracentral lobule) and left caudateputamen...
October 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/29017979/transdural-spinal-cord-herniation-tips-and-tricks
#11
Bernard Florian
Recognition of transdural spinal cord herniation has increased over the past decade. This condition remains little known, particularly outside the specialized fields of spinal surgery and neuroradiology, leading to a significant delay in clinical diagnosis and treatment. It should be considered among the differential diagnoses in patients with gradual-onset lower-limb weakness of presumed spinal origin. Reaching a diagnosis using MRI is essential to refer patients for surgery before their myelopathy worsen...
October 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28991655/apparent-diffusion-coefficient-reduction-might-be-a-predictor-of-poor-outcome-in-patients-with-posterior-reversible-encephalopathy-syndrome
#12
Itaru Ninomiya, Masato Kanazawa, Yasuhisa Akaiwa, Takayoshi Shimohata, Kouichirou Okamoto, Osamu Onodera, Masatoyo Nishizawa
It is thought that posterior reversible encephalopathy syndrome (PRES) is both clinically and radiologically reversible. However, its reversible nature has been challenged based on reports of permanent neurological impairments. The factors that predict the development of irreversible neurological impairment are still unclear. In the present study, we investigated clinical manifestations, laboratory findings, and neuroradiological images to identify predictors of functional outcomes in PRES. We investigated 23 PRES patients...
October 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28987196/overview-of-neuroradiology
#13
Elna-Marie Larsson, Johan Wikström
Neuroradiology with computed tomography (CT) and magnetic resonance imaging (MRI) is essential for the initial evaluation of patients with a clinical suspicion of brain and spine disorders. Morphologic imaging is required to obtain a probable diagnosis to support the treatment decisions in pre- and perinatal disorders, vascular diseases, traumatic injuries, metabolic disorders, epilepsy, infection/inflammation, neurodegenerative disorders, degenerative spinal disease, and tumors of the central nervous system...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28987190/clinical-neuropathology-of-brain-tumors
#14
Michal Bienkowski, Julia Furtner, Johannes A Hainfellner
Brain tumor typing is a major task in the daily practice of clinical neuropathologists. For more than 100 years, brain tumors have been classified on the basis of a histogenetic concept, with the definition of more than 120 brain tumor entities over time. In the past decades, biomedical research on brain tumors has led to the identification of clinically meaningful diagnostic, prognostic, and predictive molecular markers. Taking this progress into account, the 2016 update of the World Health Organization classification of tumors of the central nervous system has incorporated for the first time molecular markers for definition of brain tumor entities...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28987181/alpha-synucleinopathies
#15
Irina Alafuzoff, Päivi Hartikainen
A neurodegenerative disorder displaying an altered α-synuclein (αS) in the brain tissue is called α-synucleinopathy (αS-pathy) and incorporates clinical entities such as Parkinson disease (PD), PD with dementia, dementia with Lewy bodies, and multiple-system atrophy. Neuroradiologic techniques visualizing αS pathology in the brain or assays of αS in the cerebrospinal fluid or blood are probably available and will be implemented in the near future but currently the definite diagnosis of αS-pathy relies on a postmortem examination of the brain...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28984604/alzheimer-s-disease-related-polymorphisms-in-shunt-responsive-idiopathic-normal-pressure-hydrocephalus
#16
Joel Huovinen, Seppo Helisalmi, Jussi Paananen, Tiina Laiterä, Maria Kojoukhova, Anna Sutela, Ritva Vanninen, Marjo Laitinen, Tuomas Rauramaa, Anne M Koivisto, Anne M Remes, Hilkka Soininen, Mitja Kurki, Annakaisa Haapasalo, Juha E Jääskeläinen, Mikko Hiltunen, Ville Leinonen
BACKGROUND: Idiopathic normal pressure hydrocephalus (iNPH) is a late onset, surgically treated progressive brain disease caused by impaired cerebrospinal fluid dynamics and subsequent ventriculomegaly. Comorbid Alzheimer's disease (AD) seems to be frequent in iNPH. OBJECTIVE: We aim to evaluate the role of AD-related polymorphisms in iNPH. METHODS: Overall 188 shunt-operated iNPH patients and 688 controls without diagnosed neurodegenerative disease were included into analysis...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28966153/endovascular-treatment-of-unruptured-intracranial-aneurysms-by-the-woven-endobridge-device-web-are-there-any-aspects-influencing-aneurysm-occlusion
#17
Nicola Limbucci
BACKGROUND: The experience with Woven Endobridge Device (WEB) is still limited. The aim of this study is to discuss the efficacy of this new device focusing on any anatomical and procedural factors influencing aneurysm occlusion. METHODS: Between October 2011 and November 2016, 24 patients (10 females,14 males) harbouring 24 cerebral aneurysms treated with WEB in a single centre were retrospectively reviewed. Patients underwent 6-months and 12-24 months (median 18 months) clinical and neuroradiological follow-up...
September 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28944946/nerve-grafting-vs-common-infraclavicular-intraplexal-nerve-transfer-in-elbow-flexion-restoration
#18
Vesna SİMİć, Andrija SAVİć, Milan JOVANOVİć, Filip VİTOšEVİć, Branko ĐUROVİć, Čedomir MİLOšEVİć, Novak LAKİćEVİć, Miroslav SAMARDžİć, Lukas RASULİć
AIM: The aim of this study is to compare the results of nerve grafting vs. common infraclavicular intraplexal nerve transfer in elbow flexion restoration. MATERIAL AND METHODS: The study included 39 patients with upper brachial plexus palsy who were operated using common intraplexal nerve transfer (Oberlin procedure) and the thoracodorsal and medial pectoral nerve transfer to the musculocutaneous nerve or grafting of C5 to the musculocutneous nerve, for elbow flexion restoration...
July 12, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28918752/correlation-of-csf-flow-using-phase-contrast-mri-with-ventriculomegaly-and-csf-opening-pressure-in-mucopolysaccharidoses
#19
Amauri Dalla Corte, Carolina F M de Souza, Maurício Anés, Fabio K Maeda, Armelle Lokossou, Leonardo M Vedolin, Maria Gabriela Longo, Monica M Ferreira, Solanger G P Perrone, Olivier Balédent, Roberto Giugliani
BACKGROUND: Very little is known about the incidence and prevalence of hydrocephalus in patients with mucopolysaccharidoses (MPS). The biggest challenge is to distinguish communicating hydrocephalus from ventricular dilatation secondary to brain atrophy, because both conditions share common clinical and neuroradiological features. The main purpose of this study is to assess the relationship between ventriculomegaly, brain and cerebrospinal fluid (CSF) volumes, aqueductal and cervical CSF flows, and CSF opening pressure in MPS patients, and to provide potential biomarkers for abnormal CSF circulation...
September 18, 2017: Fluids and Barriers of the CNS
https://www.readbyqxmd.com/read/28916668/procedural-requirements-and-certification-paradigms-for-stroke-care-delivery-perspective-of-neurointerventional-professional-societies
#20
Nicholas C Bambakidis, Kevin Cockroft, Yin C Hu, Joshua A Hirsch, Don Heck, Anthony J Furlan, Tudor Jovin, J D Mocco, Jonathan Pace, Adnan Siddiqui, Sepideh Amin-Hanjani, Gregory Zipfel, Brian Hoh, Peter Nakaji, Sean Lavine
No abstract text is available yet for this article.
September 15, 2017: Stroke; a Journal of Cerebral Circulation
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