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Brain Tumour and Epilepsy

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https://www.readbyqxmd.com/read/29605121/an-audit-of-clinical-practice-referral-patterns-and-appropriateness-of-clinical-indications-for-brain-mri-examinations-a-single-centre-study-in-ghana
#1
A D Piersson, G Nunoo, P N Gorleku
INTRODUCTION: The aim of this study was to investigate current brain MRI practice, pattern of brain MRI requests, and their appropriateness using the American College of Radiology (ACR) Appropriateness Criteria. MATERIAL AND METHODS: We used direct observation and questionnaires to obtain data concerning routine brain MRI practice. We then retrospectively analyzed (i) demographic characteristics, (ii) clinical history, and (iii) appropriateness of brain MRI requests against published criteria...
May 2018: Radiography
https://www.readbyqxmd.com/read/29359399/the-international-consensus-classification-of-focal-cortical-dysplasia-a-critical-update-2018
#2
Imad Najm, Harvey B Sarnat, Ingmar Blümcke
The Diagnostic Methods commission of the International League against Epilepsy (ILAE) released a first international consensus classification of Focal Cortical Dysplasia (FCD) in 2011. Since that time, this FCD classification has been widely used in clinical diagnosis and research (more than 740 papers cited in Pubmed between 1/1/2012 and 7/1/2017). Herein, we review the new data that will inform and revise the FCD classification. Many recent papers described molecular-genetic characteristics in FCD Type II including multiple mutations in the mTOR pathway...
January 23, 2018: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/29315734/review-molecular-characteristics-of-long-term-epilepsy-associated-tumours-leats-and-mechanisms-for-tumour-related-epilepsy-tre
#3
REVIEW
T J Stone, R Rowell, B A P Jayasekera, M O Cunningham, T S Jacques
Brain tumours are the second most common cause of seizures identified in epilepsy surgical series. While any tumour involving the brain has the potential to cause seizures, specific subtypes are more frequently associated with epilepsy. Tumour-related epilepsy (TRE) has a profound impact on patients with brain tumours and these seizures are often refractory to anti-epileptic treatments, resulting in long-term disability and patient morbidity. Despite the drastic impact of epilepsy-associated tumours on patients, they have not traditionally enjoyed as much attention as more malignant neoplasms...
February 2018: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/29307027/does-restricted-diffusion-in-the-splenium-indicate-an-acute-infarct
#4
Zeynep Ezgi Balcik, Songül Senadim, Aslı Keskek, Ayşe Ozudogru, Ayhan Koksal, Aysun Soysal, Dilek Atakli
OBJECTIVE: Although splenial lesions are rare, they are frequently associated with ischemic infarcts, antiepileptic drug toxicity or abrupt discontinuation, viral encephalitis, and metabolic disturbances. In this study, we evaluated clinical and imaging findings and aetiology in 16 patients with splenium lesions. METHODS: Between 2013 and 2017, patients with splenium lesions were examined. Magnetic resonance imaging (MRI) was performed using a 1.5-T unit with fluid attenuation inversion recovery sequences...
January 6, 2018: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/29076421/seizures-and-anticonvulsants-in-brain-tumours-frequency-mechanisms-and-anti-epileptic-management
#5
Charles Vecht, Louis Royer-Perron, Caroline Houillier, Gilles Huberfeld
In cancer, epilepsy can be the manifestation of a primary brain tumour, metastatic disease, vascular or surgical complications, opportunistic infection or secondary to anti-tumour therapy. Seizures are frequently the first symptom of a brain tumour. The epilepsy is related to elevated extracellular glutamate stimulating NMDA- and AMPA-receptors and to the formation of D-2HG which resembles glutamate in IDH1 mutated gliomas. Epilepsy as presenting sign is associated with a longer survival in low- and high- grade gliomas, particularly with the IDH1 mutation...
October 27, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28951498/clinical-and-immunological-characteristics-of-the-spectrum-of-gfap-autoimmunity-a-case-series-of-22-patients
#6
Raffaele Iorio, Valentina Damato, Amelia Evoli, Marco Gessi, Simona Gaudino, Vincenzo Di Lazzaro, Gregorio Spagni, Jacqueline A Sluijs, Elly M Hol
OBJECTIVE: To report the clinical and immunological characteristics of 22 new patients with glial fibrillar acidic protein (GFAP) autoantibodies. METHODS: From January 2012 to March 2017, we recruited 451 patients with suspected neurological autoimmune disease at the Catholic University of Rome. Patients' serum and cerebrospinal fluid (CSF) samples were tested for neural autoantibodies by immunohistochemistry on mouse and rat brain sections, by cell-based assays (CBA) and immunoblot...
February 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28797975/characterization-of-a-factual-knowledge-associated-brain-memory-area-by-functional-magnetic-resonance-imaging-and-implementation-in-tumor-and-epilepsy-brain-surgery
#7
Peter Grummich, Oliver Ganslandt, Michael Buchfelder, Karl Roessler
BACKGROUND: The role of the dominant hippocampus in verbal and episodic memory recall has been extensively investigated. However, there are categories of memory estimated independent of hippocampal function. In particular, factual knowledge is solely constituted from written or spoken input independent on undertaken experience, but the temporal structures involved are not well defined. METHODS: In this retrospective study, we mapped the activity of factual knowledge recall using functional magnetic resonance imaging (fMRI) in 60 patients scheduled for tumor or epilepsy surgery and in 18 patients resected within or close to the left mesial temporal lobe...
November 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28796376/neuropsychiatric-adverse-events-of-antiepileptic-drugs-in-brain-tumour-related-epilepsy-an-italian-multicentre-prospective-observational-study
#8
C Bedetti, M Romoli, M Maschio, C Di Bonaventura, E Nardi Cesarini, P Eusebi, S Siliquini, S Dispenza, P Calabresi, C Costa
BACKGROUND AND PURPOSE: We assessed the prevalence and magnitude of neuropsychiatric adverse events (NPAEs) associated with antiepileptic drugs (AEDs) among patients with brain tumour-related epilepsy (BTRE). METHODS: This observational, prospective, multicentre study enrolled 259 patients with BTRE after neurosurgery. All patients received AED monotherapy. Efficacy was assessed through clinical diaries, whereas NPAEs were collected using the Neuropsychiatric Inventory Test-12 questionnaire at baseline and after 5 months...
October 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28625584/the-role-of-prophylactic-antiepileptic-drugs-for-seizure-prophylaxis-in-meningioma-surgery-a-systematic-review
#9
REVIEW
Abdurrahman I Islim, Stephen McKeever, Ter-Er Kusu-Orkar, Michael D Jenkinson
Meningiomas are the commonest type of primary brain tumours. Whilst most patients are seizure-free prior to surgery, antiepileptic drugs are frequently administered to reduce the risk of developing post-operative seizures. However, evidence to support their efficacy in providing this outcome is sparse. To this end, we performed a systematic review to assess the impact of prophylactic antiepileptic drugs on post-operative epilepsy rates in seizure-naïve patients undergoing craniotomy for resection of meningiomas...
June 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28212850/human-astrocytes-in-the-diseased-brain
#10
REVIEW
Elena Dossi, Flora Vasile, Nathalie Rouach
Astrocytes are key active elements of the brain that contribute to information processing. They not only provide neurons with metabolic and structural support, but also regulate neurogenesis and brain wiring. Furthermore, astrocytes modulate synaptic activity and plasticity in part by controlling the extracellular space volume, as well as ion and neurotransmitter homeostasis. These findings, together with the discovery that human astrocytes display contrasting characteristics with their rodent counterparts, point to a role for astrocytes in higher cognitive functions...
January 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/28030918/to-treat-or-not-to-treat-drug-refractory-epilepsy-by-the-ketogenic-diet-that-is-the-question
#11
REVIEW
Marzena Ułamek-Kozioł, Ryszard Pluta, Anna Bogucka-Kocka, Stanisław J Czuczwar
Epilepsy is a serious neurologic disorder worldwide which affects about 1% of the population (ca. 50 million people), the highest prevalence occurring in both children and elderly. Apart from idiopathic forms, etiology of the disease involves multiple brain risk factors - the most frequent being cerebrovascular diseases, tumours and traumatic injuries. Several treatment options exist, including, for instance, pharmacotherapy, vagal nerve stimulation or epilepsy surgery. In spite of treatment, about 30% of patients with epilepsy still have seizures and become drug-refractory...
December 23, 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28025990/focal-cortical-dysplasia-molecular-disturbances-and-clinicopathological-classification-review
#12
REVIEW
Monika Siedlecka, Wiesława Grajkowska, Ryszard Galus, Bożenna Dembowska-Bagińska, Jarosław Jóźwiak
Focal cortical dysplasia (FCD) is one of the most important causes of drug-resistant epilepsy in paediatric patients, particularly in those below the age of 3. Even though over 40 years have passed since the first description of the entity by Taylor, the exact mechanisms causing these cortical abnormalities remain unelucidated. In this review, we summarise the current knowledge on clinical and histopathological aspects, taking into account the new classification system proposed by the International League Against Epilepsy...
November 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27857123/low-grade-epilepsy-associated-neuroepithelial-tumours-the-2016-who-classification
#13
REVIEW
Ingmar Blümcke, Eleonora Aronica, Albert Becker, David Capper, Roland Coras, Mrinalini Honavar, Thomas S Jacques, Katja Kobow, Hajime Miyata, Angelika Mühlebner, José Pimentel, Figen Söylemezoğlu, Maria Thom
Rapid developments in molecular genetic technology and research have swiftly advanced our understanding of neuro-oncology. As a consequence, the WHO invited their expert panels to revise the current classification system of brain tumours and to introduce, for the first time, a molecular genetic approach for selected tumour entities, thus setting a new gold standard in histopathology. The revised 5th edition of the 'blue book' was released in May 2016 and will have a major impact in stratifying diagnosis and treatment...
December 2016: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/27806448/functional-magnetic-resonance-imaging-in-clinical-practice-state-of-the-art-and-science
#14
Christen D Barras, Hamed Asadi, Torsten Baldeweg, Laura Mancini, Tarek A Yousry, Sotirios Bisdas
BACKGROUND: Functional magnetic resonance imaging (fMRI) has become a mainstream neuroimaging modality in the assessment of patients being evaluated for brain tumour and epilepsy surgeries. Thus, it is important for doctors in primary care settings to be well acquainted with the present and potential future applications, as well as limitations, of this modality. OBJECTIVE: The objective of this article is to introduce the theoretical principles and state-of-the-art clinical applications of fMRI in brain tumour and epilepsy surgery, with a focus on the implications for clinical primary care...
November 2016: Australian Family Physician
https://www.readbyqxmd.com/read/27667783/comparison-of-feline-brain-anatomy-in-0-25-and-3%C3%A2-tesla-magnetic-resonance-images
#15
COMPARATIVE STUDY
P Przyborowska, Z Adamiak, P Holak, Y Zhalniarovich
The intention of the comparison of both low and high field was to examine which anatomical brain structures of cats were visible on low field images, as in clinical veterinary practice, 3 Tesla (T) magnets were of limited availability. The research was performed on 20 European short-haired male and female cats, aged 1-3 years, with body weight of 2-4 kg. 0.25 T magnetic resonance images of neurocranium were acquired in all using T2-weighted fast spin echo sequences with repetition time (TR) of 4010 ms and echo time (TE) of 90 ms in dorsal and transverse plane, and T2-weighted fast spine echo sequences with TR of 4290 ms and TE of 120 ms in sagittal plane...
April 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/27506282/epilepsy-associated-tumours-what-epileptologists-should-know-about-neuropathology-terminology-and-classification-systems
#16
REVIEW
Hans Holthausen, Ingmar Blümcke
Brain tumours are an ever-challenging issue in neurology and related medical disciplines. This applies in particular to brain tumours associated with childhood-onset epilepsies, in which seizures are the presenting and only neurological symptom, as our current understanding of the biology and clinical behaviour of an individual tumour is far from being evidence-based. Prospective and randomized clinical trials are lacking in the field of epilepsy-associated tumours and a review of the current literature evokes more questions than provides answers...
September 1, 2016: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/27340022/the-mtor-signalling-cascade-paving-new-roads-to-cure-neurological-disease
#17
REVIEW
Peter B Crino
Defining the multiple roles of the mechanistic (formerly 'mammalian') target of rapamycin (mTOR) signalling pathway in neurological diseases has been an exciting and rapidly evolving story of bench-to-bedside translational research that has spanned gene mutation discovery, functional experimental validation of mutations, pharmacological pathway manipulation, and clinical trials. Alterations in the dual contributions of mTOR - regulation of cell growth and proliferation, as well as autophagy and cell death - have been found in developmental brain malformations, epilepsy, autism and intellectual disability, hypoxic-ischaemic and traumatic brain injuries, brain tumours, and neurodegenerative disorders...
July 2016: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/27229765/the-value-of-preoperative-functional-cortical-mapping-using-navigated-tms
#18
REVIEW
Jean-Pascal Lefaucheur, Thomas Picht
The surgical removal of brain tumours in so-called eloquent regions is frequently associated with a high risk of causing disabling postoperative deficits. Among the preoperative techniques proposed to help neurosurgical planning and procedure, navigated transcranial magnetic stimulation (nTMS) is increasingly performed. A high level of evidence is now available in the literature regarding the anatomical and functional accuracy of this mapping technique. This article presents the principles and facts demonstrating the value of using nTMS in clinical practice to preserve motor or language functions from deleterious lesions secondary to brain tumour resection or epilepsy surgery...
April 2016: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/27157245/clinical-characteristics-and-late-effects-in-cns-tumours-of-childhood-do-not-forget-long-term-follow-up-of-the-low-grade-tumours
#19
Christoffer Ehrstedt, Ingela Kristiansen, Gunnar Ahlsten, Olivera Casar-Borota, Margareta Dahl, Sylwia Libard, Bo Strömberg
AIM: To investigate clinical characteristics and late effects of CNS tumours in childhood with a special focus on low-grade tumours, especially low-grade astrocytoma and glioneuronal tumours. METHODS: A retrospective population based study was performed at Uppsala University Children's Hospital, a tertiary referral centre for children with CNS tumours. Patients were identified from the National Brain Tumour Registry and the National Epilepsy Surgery Registry. Hospital medical records were analysed for patients with a follow up of ≥5 years after diagnosis...
July 2016: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/27153747/burden-of-neurological-conditions-in-canada
#20
J Gaskin, J Gomes, S Darshan, D Krewski
Neurological conditions are among the leading causes of disability in the Canadian population and are associated with a large public health burden. An increase in life expectancy and a declining birth rate has resulted in an aging Canadian population, and the proportion of age-adjusted mortality due to non-communicable diseases has been steadily increasing. These conditions are frequently associated with chronic disability and an increasing burden of care for patients, their families and caregivers. The National Population Health Study of Neurological Conditions (NPHSNC) aims to improve knowledge about neurological conditions and their impacts on individuals, their families, caregivers and health care system...
May 3, 2016: Neurotoxicology
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