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Brain tumor related epilepsy

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https://www.readbyqxmd.com/read/28633092/epilepsy-in-neurofibromatosis-type-1
#1
Anthony Pecoraro, Eric Arehart, William Gallentine, Rodney Radtke, Edward Smith, Carolyn Pizoli, Sujay Kansagra, Elie Abdelnour, Roger McLendon, Mohamad A Mikati
OBJECTIVES: To describe the characteristics of epilepsy in patients with Neurofibromatosis type 1 (NF1). METHODS: Analysis of a cohort of consecutive NF1 patients seen in our NF1 clinic during a three-year period. RESULTS: Of the 184 NF1 patients seen during that period, 26 had epilepsy and three had febrile seizures. Of the 26, 17 (65%) had localization-related epilepsy, seven of whom (41%) were drug resistant. Six (23%) had apparently primary generalized epilepsy (0/6 drug resistant), two (8%) Lennox-Gastaut syndrome, and one (4%) West syndrome (all three were drug-resistant)...
June 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28627088/astrogliosis-and-impaired-aquaporin-4-and-dystrophin-systems-in-idiopathic-normal-pressure-hydrocephalus
#2
Per Kristian Eide, Hans-Arne Hansson
AIMS: Idiopathic normal pressure hydrocephalus (iNPH) is one subtype of dementia that may improve following drainage of cerebrospinal fluid (CSF). This prospective observational study explored whether expression of the water channel aquaporin-4 (AQP4) and the anchoring molecule dystrophin 71 (Dp71) are altered at astrocytic perivascular endfeet and in adjacent neuropil of iNPH patient. Observations were related to measurements of pulsatile and static intracranial pressure (ICP). METHODS: The study included iNPH patients undergoing overnight monitoring of the pulsatile/static ICP, in whom a biopsy was taken from the frontal cerebral cortex during placement of the ICP sensor...
June 19, 2017: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/28623754/quality-of-life-mood-and-seizure-control-in-patients-with-brain-tumor-related-epilepsy-treated-with-lacosamide-as-add-on-therapy-a-prospective-explorative-study-with-a-historical-control-group
#3
Marta Maschio, Alessia Zarabla, Andrea Maialetti, Alessandra Fabi, Antonello Vidiri, Veronica Villani, Diana Giannarelli
OBJECTIVE: Brain tumor-related epilepsy (BTRE) is often drug resistant and patients can be forced to take polytherapy that can adversely affect their quality of life (QoL). Lacosamide (LCM) is a new antiepileptic drug (AED) used as adjunctive therapy in patients with partial seizures with or without secondary generalization, with a favorable pharmacokinetic profile that seems to be effective and well tolerated. Therefore it represents a possible therapeutic choice for patients with BTRE...
June 14, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28616382/improving-language-mapping-in-clinical-fmri-through-assessment-of-grammar
#4
Monika Połczyńska, Kevin Japardi, Susan Curtiss, Teena Moody, Christopher Benjamin, Andrew Cho, Celia Vigil, Taylor Kuhn, Michael Jones, Susan Bookheimer
INTRODUCTION: Brain surgery in the language dominant hemisphere remains challenging due to unintended post-surgical language deficits, despite using pre-surgical functional magnetic resonance (fMRI) and intraoperative cortical stimulation. Moreover, patients are often recommended not to undergo surgery if the accompanying risk to language appears to be too high. While standard fMRI language mapping protocols may have relatively good predictive value at the group level, they remain sub-optimal on an individual level...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28615436/hospital-safety-among-neurologic-patients-a-population-based-cohort-study-of-adverse-events
#5
Khara M Sauro, Hude Quan, Khokan C Sikdar, Peter Faris, Nathalie Jette
OBJECTIVE: To examine the frequency and type of adverse events (AEs) experienced by neurologic patients in hospital. METHODS: This population-based, retrospective cohort study used hospital discharge abstract data for children and adults admitted to hospital from 2009 to 2015 with 1 of 9 neurologic conditions (Alzheimer disease and related dementia, brain tumor, epilepsy, motor neuron disease, multiple sclerosis, parkinsonism/Parkinson disease, spinal cord injury, traumatic brain injury, and stroke)...
June 14, 2017: Neurology
https://www.readbyqxmd.com/read/28599984/prevention-and-management-of-postoperative-seizures-in-neuro-oncology
#6
F Chassoux, E Landre
INTRODUCTION: Epilepsy related to brain tumors is often difficult to treat and may impact the quality of life. We performed a review of current recommendations for the prevention of postoperative seizures and optimizing the anti-epileptic treatment. MATERIAL AND METHODS: Based on studies performed since 2000 we conducted the review by (1) analyzing the incidence of tumoral epilepsy and mechanisms of epileptogenicity; (2) describing the current medical and surgical strategy according to oncologic treatments; (3) discussing the management of postoperative seizures; (4) considering the drug withdrawal after oncologic therapy...
June 6, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28552700/analysis-of-factors-related-to-hypopituitarism-in-non-sellar-intracranial-tumor-patients
#7
Song-Song Lu, Jian-Jun Gu, Xiao-Hong Luo, Jian-He Zhang, Shou-Sen Wang
OBJECTIVES: Previous studies have suggested that postoperative hypopituitarism in patients with non-sellar intracranial tumors is caused by traumatic surgery. However, with development of minimally invasive and precise neurosurgical techniques, the degree of injury to brain tissue has been reduced significantly, especially for parenchymal tumors. Therefore, understanding pre-existing hypopituitarism and related risk factors can improve perioperative management for patients with non-sellar intracranial tumors...
May 24, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28516343/therapeutic-dormancy-to-delay-postsurgical-glioma-recurrence-the-past-present-and-promise-of-focal-hypothermia
#8
REVIEW
Didier Wion
Surgery precedes both radiotherapy and chemotherapy as the first-line therapy for glioma. However, despite multimodal treatment, most glioma patients die from local recurrence in the resection margin. Glioma surgery is inherently lesional, and the response of brain tissue to surgery includes hemostasis, angiogenesis, reactive gliosis and inflammation. Unfortunately, these processes are also associated with tumorigenic side-effects. An increasing amount of evidence indicates that the response to a surgery-related brain injury is hijacked by residual glioma cells and participates in the local regeneration of tumor tissues at the resection margin...
May 17, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28452903/zonisamide-in-brain-tumor-related-epilepsy-an-observational-pilot-study
#9
Marta Maschio, Loredana Dinapoli, Alessia Zarabla, Andrea Maialetti, Diana Giannarelli, Alessandra Fabi, Antonello Vidiri, Tonino Cantelmi
OBJECTIVES: Epilepsy heavily affects the quality of life (QoL) of patients with brain tumor because in addition to taking treatments for the oncological illness, patients are required to live with the long-term taking of antiepileptic drugs (AEDs). The AEDs' adverse effects are common in these patients and can negatively influence their perceptions of their QoL.We conducted an observational pilot study in patients with brain tumor-related epilepsy to verify efficacy, tolerability, and impact on QoL and global neurocognitive performances of zonisamide (ZNS) in add-on...
May 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28378621/response-of-the-cerebral-vasculature-following-traumatic-brain-injury
#10
Arjang Salehi, John H Zhang, Andre Obenaus
The critical role of the vasculature and its repair in neurological disease states is beginning to emerge particularly for stroke, dementia, epilepsy, Parkinson's disease, tumors and others. However, little attention has been focused on how the cerebral vasculature responds following traumatic brain injury (TBI). TBI often results in significant injury to the vasculature in the brain with subsequent cerebral hypoperfusion, ischemia, hypoxia, hemorrhage, blood-brain barrier disruption and edema. The sequalae that follow TBI result in neurological dysfunction across a host of physiological and psychological domains...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28328117/noonan-syndrome-ptpn11-mutations-and-brain-tumors-a-clinical-report-and-review-of-the-literature
#11
Aurore Siegfried, Claude Cances, Marie Denuelle, Najat Loukh, Maïté Tauber, Hélène Cavé, Marie-Bernadette Delisle
Noonan syndrome (NS), an autosomal dominant disorder, is characterized by short stature, congenital heart defects, developmental delay, and facial dysmorphism. PTPN11 mutations are the most common cause of NS. PTPN11 encodes a non-receptor protein tyrosine phosphatase, SHP2. Hematopoietic malignancies and solid tumors are associated with NS. Among solid tumors, brain tumors have been described in children and young adults but remain rather rare. We report a 16-year-old boy with PTPN11-related NS who, at the age of 12, was incidentally found to have a left temporal lobe brain tumor and a cystic lesion in the right thalamus...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28281497/management-of-brain-tumor-related-epilepsy
#12
REVIEW
Neil V Klinger, Aashit K Shah, Sandeep Mittal
Seizures are common in both primary and metastatic brain tumors, although the rate of seizures differ significantly between the different types of neoplasms. Patients with brain tumor-associated seizures need treatment with antiepileptic drugs (AEDs) to prevent recurrence, whereas strong clinical data exists to discourage routine prophylaxis in patients who have not had seizures. The newer AEDs, such as levetiracetam, lamotrigine, lacosamide, topiramate, or pregabalin, are preferable for various reasons, primarily related to the side-effect profile and limited interactions with other drugs...
2017: Neurology India
https://www.readbyqxmd.com/read/28273590/upregulation-of-breast-cancer-resistance-protein-and-major-vault-protein-in-drug-resistant-epilepsy
#13
Aparna Banerjee Dixit, Devina Sharma, Arpna Srivastava, Jyotirmoy Banerjee, Manjari Tripathi, Deepak Prakash, P Sarat Chandra
PURPOSE: Identifying factors involved in the development of drug resistant epilepsy (DRE) remains a challenge. Candidate gene studies have shown modulation of resistance to drugs by various multidrug resistance proteins in DRE. However the resistance to drugs in DRE could be more complex and multifactorial involving molecules in different pharmacokinetic processes. In this study for the first time we have analyzed the relative expression of four molecules with different drug resistance mechanisms in two most common DRE pathologies, mesial temporal lobe epilepsy (MTLE) and focal cortical dysplasia (FCD) with respect to each other and also with different non-epileptic controls...
April 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28087392/predictors-and-mechanisms-of-epilepsy-occurrence-in-cerebral-gliomas-what-to-look-for-in-clinicopathology
#14
Cheng Huang, Xiao-Sa Chi, Xin Hu, Ni Chen, Qiao Zhou, Dong Zhou, Jin-Mei Li
Gliomas, especially low-grade gliomas, are highly epileptogenic brain tumors. Histopathological information is valuable in evaluating the diagnosis and/or biologic behavior of various gliomas. Here we explored the clinical data and histopathological predictors of the occurrence of epilepsy in patients with gliomas. A retrospective study examined 310 consecutive patients who had undergone surgical treatment for gliomas in our institution from January 2013 to January 2015. Clinical data and pathological examination results were analyzed...
February 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28041673/epilepsy-related-brain-tumors
#15
REVIEW
Özdem Ertürk Çetin, Cihan İşler, Mustafa Uzan, Çiğdem Özkara
Seizures are among the most common presentations of brain tumors. Several tumor types can cause seizures in varying rates; neuroglial tumors and the gliomas are the most common ones. Brain tumors are the second most common cause of focal intractable epilepsy in epilepsy surgery series, with the highest frequency being dysembryoplastic neuroepithelial tumors and gangliogliomas. Seizure management is an important part of the treatment of patients with brain tumors. This review discusses clinical features and management of seizures in patients with brain tumors, including, neuroglial tumors, gliomas, meningioma and metastases; with the help of recent literature data...
January 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27976555/are-the-methylenetetrahydrofolate-reductase-1298-and-677-gene-polymorphisms-related-to-optic-glioma-and-hamartoma-risk-in-neurofibromatosis-type-1-patients
#16
Hikmet Gülşah Tanyıldız, Şule Yeşil, Ceyhun Bozkurt, Mehmet Onur Çandır, Sibel Akpınar-Tekgündüz, Şule Toprak, Deniz Yüksel, Gürses Şahin
The methylenetetrahydrofolate reductase (MTHFR) gene plays a key role in carcinogenesis through its effects on DNA synthesis and methylation and also has a significant role in the etiology of many disorders, such as diabetes, migraine, and cardiovascular disease. Neurofibromatoses (NF) are autosomal dominant inherited diseases that can affect tissues such as bone and skin and predispose individuals to tumor development in various parts of the nervous system or body. Optic nerve glioma and brain tumors are common in children with NF, and leukemia and lymphoma incidence is also higher than normal...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27889578/molecular-neurobiology-of-mtor
#17
REVIEW
Katarzyna Switon, Katarzyna Kotulska, Aleksandra Janusz-Kaminska, Justyna Zmorzynska, Jacek Jaworski
Mammalian/mechanistic target of rapamycin (mTOR) is a serine-threonine kinase that controls several important aspects of mammalian cell function. mTOR activity is modulated by various intra- and extracellular factors; in turn, mTOR changes rates of translation, transcription, protein degradation, cell signaling, metabolism, and cytoskeleton dynamics. mTOR has been repeatedly shown to participate in neuronal development and the proper functioning of mature neurons. Changes in mTOR activity are often observed in nervous system diseases, including genetic diseases (e...
January 26, 2017: Neuroscience
https://www.readbyqxmd.com/read/27863278/neoplasm-study-real-life-use-of-lacosamide-in-patients-with-brain-tumor-related-epilepsy
#18
Vicente Villanueva, Rosana Saiz-Diaz, Manuel Toledo, Ana Piera, Jose Angel Mauri, Juan Jesús Rodriguez-Uranga, Francisco Javier López-González, Asier Gómez-Ibáñez, Mercedes Garcés, Jesús González de la Aleja, Xiana Rodríguez-Osorio, Susana Palao-Duarte, Ascensión Castillo, Macarena Bonet, Jesús Ruiz-Giménez, Juan Palau, Alberto Arcediano, Maria Toledo, Ana Gago
BACKGROUND: The choice of antiepileptic drug (AED) therapy in patients with brain tumor-related epilepsy (BTRE) is complicated, and there are a lack of robust clinical trial data to date. METHODS: The NEOPLASM (Neuroncologic Patients treated with LAcoSaMide) study was a 6-month, multicenter, retrospective, observational study in patients with BTRE treated with lacosamide. Patients were started on lacosamide because of a lack of efficacy or adverse events (AEs) with prior AEDs or suitability versus other AEDs, according to clinical practice...
December 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27854111/the-risk-of-hypotension-and-seizures-in-patients-receiving-prophylactic-anti-epileptic-drugs-for-supratentorial-craniotomy
#19
Julius Höhne, Karl M Schebesch, Christian Ott, Alexander Brawanski, Max Lange
BACKGROUND: Perioperative seizure prophylaxis with antiepileptic drugs (AED) has been advocated in patients undergoing supratentorial craniotomy. The practice remains controversial. The reasoning presupposes that the possibility of an adverse drug reaction from the AED is lower than the probability of harm from a seizure. Even short periods of hypotension during the operation can lead to acute kidney and myocardial injury. We retrospectively evaluated cardiovascular effects and tolerability of Levetiracetam (LEV) alone, LEV and Lacosamid (LCM) as compared to Phenytoin (PHT)...
November 17, 2016: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/27828868/prenatal-diagnosis-and-genetic-discoveries-of-an-intracranial-mixed-neuronal-glial-tumor-a-case-report-and-literature-review
#20
REVIEW
Lijuan Sun, Qingqing Wu, Yan Pei, Jinghua Li, Jintang Ye, Wenxue Zhi, Yan Liu, Puqing Zhang
BACKGROUND: Congenital intracranial tumors as a group are quite rare, representing only 0.5% to 1.5% of all pediatric brain neoplasms. CASE REPORT: We reported a case of congenital mixed neuronal-glial tumor detected by ultrasound at 30 weeks of gestation. It showed that the tumor was 2.5 × 2.3 × 2.1 cm in size, located in the sellar region, regular shape, and slightly heterogeneous solid mass with a little cystic component. No color flow was present inside the tumor, but the peripheral encirclement by arterial circle of Willis...
November 2016: Medicine (Baltimore)
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