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mesial temporal sclerosis

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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/28632521/verbal-and-figural-fluency-in-temporal-lobe-epilepsy-does-hippocampal-sclerosis-affect-performance
#2
Ioannis Zalonis, Foteini Christidi, Artemios Artemiadis, Constantinos Psarros, George Papadopoulos, George Tsivgoulis, Stergios Gatzonis, Anna Siatouni, Georgios Velonakis, Efstratios Karavasilis, Evangelia Kararizou, Nikolaos Triantafyllou
BACKGROUND AND OBJECTIVES: Clinicians commonly use verbal and nonverbal measures to test fluency in patients with epilepsy, either during routine cognitive assessment or as part of pre- and postsurgical evaluation. We hypothesized that patients with mesial temporal lobe epilepsy (TLE) with hippocampal sclerosis would perform worse than patients with lateral TLE in both verbal and design fluency. METHODS: We assessed semantic, phonemic, and nonverbal fluency in 49 patients with TLE: 31 with lateral TLE and 18 with mesial TLE plus hippocampal sclerosis...
June 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28632041/automated-volumetry-of-hippocampus-is-useful-to-confirm-unilateral-mesial-temporal-sclerosis-in-patients-with-radiologically-positive-findings
#3
Guilherme Silva, Cristina Martins, Nádia Moreira da Silva, Duarte Vieira, Dias Costa, Ricardo Rego, José Fonseca, João Paulo Silva Cunha
Background and purpose We evaluated two methods to identify mesial temporal sclerosis (MTS): visual inspection by experienced epilepsy neuroradiologists based on structural magnetic resonance imaging sequences and automated hippocampal volumetry provided by a processing pipeline based on the FMRIB Software Library. Methods This retrospective study included patients from the epilepsy monitoring unit database of our institution. All patients underwent brain magnetic resonance imaging in 1.5T and 3T scanners with protocols that included thin coronal T2, T1 and fluid-attenuated inversion recovery and isometric T1 acquisitions...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28626979/electro-clinical-criteria-and-surgical-outcome-is-there-a-difference-between-mesial-and-lesional-temporal-lobe-epilepsy
#4
M Wassenaar, F S S Leijten, G-J de Haan, S G Uijl, J W Sander
OBJECTIVES: Mesial temporal lobe epilepsy syndrome (MTLE) with specific electrophysiological and clinical characteristics and hippocampal sclerosis (HS) on MRI is considered the prototype of a syndrome with good surgical prognosis. Ictal onset zones in MTLE have been found to extend outside the hippocampus and neocortical seizures often involve mesial structures. It can, thus, be questioned whether MTLE with HS is different from lesional temporal epilepsies with respect to electro-clinical characteristics and surgical prognosis...
June 18, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28622539/features-of-amygdala-in-patients-with-mesial-temporal-lobe-epilepsy-and-hippocampal-sclerosis-an-mri-volumetric-and-histopathological-study
#5
Yoko Nakayama, Hiroshi Masuda, Hiroshi Shirozu, Yosuke Ito, Takefumi Higashijima, Hiroki Kitaura, Yukihiko Fujii, Akiyoshi Kakita, Masafumi Fukuda
OBJECTIVE: It is well-known that there is a correlation between the neuropathological grade of hippocampal sclerosis (HS) and neuroradiological atrophy of the hippocampus in mesial temporal lobe epilepsy (mTLE) patients. However, there is no strict definition or criterion regarding neuron loss and atrophy of the amygdala neighboring the hippocampus. We examined the relationship between HS and neuronal loss in the amygdala. MATERIALS AND METHODS: Nineteen mTLE patients with neuropathological proof of HS were assigned to Group A, while seven mTLE patients without HS were assigned to Group B...
May 22, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28607780/homonymous-superior-quadrantanopia-due-to-erdheim-chester-disease-with-asymptomatic-pituitary-involvement
#6
Roaa Ridha Amer, Sara Mohammed Qubaiban, Eman Abdulkarim Bakhsh
Polyostotic sclerosing histiocytosis, also known as Erdheim-Chester disease (ECD), is a rare form of non-Langerhans histiocytosis. ECD has wide clinical spectrums which mainly affect skeletal, neurological, dermatological, retroperitoneal, cardiac, and pulmonary manifestations. Here we describe a case of ECD in a 45-year-old female who presented initially with bilateral knee pain and homonymous superior quadrantanopia progressed to ophthalmoplegia and complete visual loss of the left eye over a period of one year...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28595352/neuropsychology-outcomes-following-trephine-epilepsy-surgery-the-inferior-temporal-gyrus-approach-for-amygdalohippocampectomy-in-medically-refractory-mesial-temporal-lobe-epilepsy
#7
Mike R Schoenberg, William E Clifton, Ryan W Sever, Fernando L Vale
BACKGROUND: Surgery is indicated in cases of mesial temporal lobe epilepsy(MTLE) that are refractory to medical management. The inferior temporal gyrus (ITG) approach provides access to the mesial temporal lobe (MTL) structures with minimal tissue disruption. Reported neuropsychology outcomes following this approach are limited. OBJECTIVE: To report neuropsychological outcomes using an ITG approach to amygdalohippocampectomy (AH) in patients with medically refractory MTLE based on a prospective design...
June 8, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28575772/atypical-handedness-in-mesial-temporal-lobe-epilepsy
#8
Irena Doležalová, Steven Schachter, Jan Chrastina, Jan Hemza, Markéta Hermanová, Ivan Rektor, Marta Pažourková, Milan Brázdil
OBJECTIVE: The main aim of our study was to investigate the handedness of patients with mesial temporal lobe epilepsy (MTLE). We also sought to identify clinical variables that correlated with left-handedness in this population. METHODS: Handedness (laterality quotient) was assessed in 73 consecutive patients with MTLE associated with unilateral hippocampal sclerosis (HS) using the Edinburgh Handedness Inventory. Associations between right- and left-handedness and clinical variables were investigated...
May 30, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28574311/erratum-gamma-knife-radiosurgery-for-recurrent-or-residual-seizures-after-anterior-temporal-lobectomy-in-mesial-temporal-lobe-epilepsy-patients-with-hippocampal-sclerosis-long-term-follow-up-results-of-more-than-4-years
#9
https://www.readbyqxmd.com/read/28566958/cognitive-outcome-after-surgery-in-patients-with-mesial-temporal-lobe-epilepsy
#10
Günay Gül, Demet Yandim Kuşcu, Mesude Özerden, Melek Kandemir, Fulya Eren, Bekir Tuğcu, Cahit Keskinkiliç, Nalan Kayrak, Dursun Kirbaş
INTRODUCTION: The aim of the present study was to evaluate the neuropsychological outcomes of patients with medically intractable unilateral mesial temporal lobe epilepsy (MTLE) due to hippocampal sclerosis (HS) treated either by anterior temporal lobectomy (ATL) or selective amygdalohippocampectomy (SAH). METHODS: This was a retrospective study where 67 patients who had undergone surgery for MTLE were evaluated. Thirty-two patients underwent ATL and 35 underwent SAH...
March 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28542864/circadian-clustering-of-spontaneous-epileptic-seizures-emerges-after-pilocarpine-induced-status-epilepticus
#11
Julika Pitsch, Albert J Becker, Susanne Schoch, Johannes Alexander Müller, Marco de Curtis, Vadym Gnatkovsky
OBJECTIVE: Seizures in mesial temporal lobe epilepsy (MTLE) associated with hippocampal sclerosis are thought to develop with various latency intervals after an initial transient brain insult. To study seizure dynamics after an initial transient precipitating insult in a systematic fashion, we utilized continuous video-electroencephalography (EEG) monitoring after the induction of status epilepticus (SE) in a mouse MTLE model. METHODS: Continuous 24/7 video/telemetric hippocampal EEG recordings in the systemic pilocarpine MTLE mouse model...
May 24, 2017: Epilepsia
https://www.readbyqxmd.com/read/28516805/mesial-temporal-lobe-and-subcortical-grey-matter-volumes-differentially-predict-memory-across-stages-of-multiple-sclerosis
#12
James F Sumowski, Victoria M Leavitt, Maria A Rocca, Matilde Inglese, Gianna Riccitelli, Korhan Buyukturkoglu, Alessandro Meani, Massimo Filippi
BACKGROUND/OBJECTIVE: Memory deficits due to multiple sclerosis (MS) have been variably linked to lower subcortical grey matter (SCGM) and mesial temporal lobe (MTL) volumes. We investigated which is the better predictor and whether this changes across disease stages. METHODS/RESULTS: Memory was assessed in 315 patients. Magnetic resonance imaging (MRI) measured volumes of total brain, grey matter, white matter, MTL (hippocampus, amygdala) and SCGM (thalamus, caudate)...
May 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28462844/understanding-the-association-of-neurocysticercosis-and-mesial-temporal-lobe-epilepsy-and-its-impact-on-the-surgical-treatment-of-patients-with-drug-resistant-epilepsy
#13
REVIEW
Marino Muxfeldt Bianchin, Tonicarlo Rodrigues Velasco, Lauro Wichert-Ana, Antonio Carlos Dos Santos, Américo Ceiki Sakamoto
Mesial temporal lobe epilepsy associated with hippocampal sclerosis (MTLE-HS) is one of the most common types of focal epilepsies. This is an epileptic syndrome commonly associated with treatment-resistant seizures, being also the most prevalent form of drug-resistant epilepsy which is treated surgically in most epilepsy surgery centers. Neurocysticercosis (NCC) is one of the most common parasitic infections of the central nervous system, and one of the most common etiological agents of focal epilepsy, affecting millions of patients worldwide...
April 24, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28441637/subtle-pathological-changes-in-neocortical-temporal-lobe-epilepsy
#14
Juan G Ochoa, Diana Hentgarden, Audrey Paulzak, Melissa Ogden, Richard Pryson, Markus Lamle, Walter G Rusyniak
This was a prospective observational study to correlate the clinical symptoms, electrophysiology, imaging, and surgical pathology of patients with temporal lobe epilepsy (TLE) without hippocampal sclerosis. We selected consecutive patients with TLE and normal MRI undergoing temporal lobe resection between April and September 2015. Clinical features, imaging, and functional data were reviewed. Intracranial monitoring and language mapping were performed when it was required according to our team recommendation...
June 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427841/localized-shape-abnormalities-in-the-thalamus-and-pallidum-are-associated-with-secondarily-generalized-seizures-in-mesial-temporal-lobe-epilepsy
#15
Linglin Yang, Hong Li, Lujia Zhu, Xinfeng Yu, Bo Jin, Cong Chen, Shan Wang, Meiping Ding, Minming Zhang, Zhong Chen, Shuang Wang
Mesial temporal lobe epilepsy (mTLE) is a common type of drug-resistant epilepsy and secondarily generalized tonic-clonic seizures (sGTCS) have devastating consequences for patients' safety and quality of life. To probe the mechanism underlying the genesis of sGTCS, we investigated the structural differences between patients with and without sGTCS in a cohort of mTLE with radiologically defined unilateral hippocampal sclerosis. We performed voxel-based morphometric analysis of cortex and vertex-wise shape analysis of subcortical structures (the basal ganglia and thalamus) on MRI of 39 patients (21 with and 18 without sGTCS)...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28398599/hippocampal-sclerosis-and-mesial-temporal-lobe-epilepsy-in-chorea-acanthocytosis-a-case-with-clinical-pathologic-and-genetic-evaluation
#16
Karin Mente, Sun A Kim, Christopher Grunseich, Marco M Hefti, John F Crary, Adrian Danek, Barbara I Karp, Ruth H Walker
Chorea-acanthocytosis (ChAc) is an autosomal recessive neurodegenerative disease associated with mutations in VPS13A that encodes the protein chorein. ChAc is characterized by progressive chorea, dystonia, and psychiatric symptoms, developing in young adulthood, often with acanthocytosis in peripheral blood. Tongue protrusion, or feeding dystonia, is common, as are seizures and neuropathy [1]. On neuropathology, there is basal ganglia atrophy, neuronal loss, and gliosis, especially in the caudate nucleus [2]...
April 11, 2017: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/28398014/brain-responsive-neurostimulation-in-patients-with-medically-intractable-mesial-temporal-lobe-epilepsy
#17
Eric B Geller, Tara L Skarpaas, Robert E Gross, Robert R Goodman, Gregory L Barkley, Carl W Bazil, Michael J Berg, Gregory K Bergey, Sydney S Cash, Andrew J Cole, Robert B Duckrow, Jonathan C Edwards, Stephan Eisenschenk, James Fessler, Nathan B Fountain, Alicia M Goldman, Ryder P Gwinn, Christianne Heck, Aamar Herekar, Lawrence J Hirsch, Barbara C Jobst, David King-Stephens, Douglas R Labar, James W Leiphart, W Richard Marsh, Kimford J Meador, Eli M Mizrahi, Anthony M Murro, Dileep R Nair, Katherine H Noe, Yong D Park, Paul A Rutecki, Vicenta Salanova, Raj D Sheth, Donald C Shields, Christopher Skidmore, Michael C Smith, David C Spencer, Shraddha Srinivasan, William Tatum, Paul C Van Ness, David G Vossler, Robert E Wharen, Gregory A Worrell, Daniel Yoshor, Richard S Zimmerman, Kathy Cicora, Felice T Sun, Martha J Morrell
OBJECTIVE: Evaluate the seizure-reduction response and safety of mesial temporal lobe (MTL) brain-responsive stimulation in adults with medically intractable partial-onset seizures of mesial temporal lobe origin. METHODS: Subjects with mesial temporal lobe epilepsy (MTLE) were identified from prospective clinical trials of a brain-responsive neurostimulator (RNS System, NeuroPace). The seizure reduction over years 2-6 postimplantation was calculated by assessing the seizure frequency compared to a preimplantation baseline...
June 2017: Epilepsia
https://www.readbyqxmd.com/read/28395287/interleukin-1%C3%AE-plays-a-pivotal-role-via-the-pi3k-akt-mtor-signaling-pathway-in-the-chronicity-of-mesial-temporal-lobe-epilepsy
#18
Zhaohua Xiao, Jing Peng, Na Gan, Ahmed Arafat, Fei Yin
OBJECTIVE: Mesial temporal lobe epilepsy (MTLE) is the most common type of refractory epilepsy. It is often associated with hippocampal sclerosis, which is histopathologically characterized by selective neuron loss, mossy fiber sprouting, and synapse reconstruction, and is the primary cause of refractory epilepsy. Its mechanism has not been fully elucidated. Substantial evidence now supports that inflammatory pathways are activated in epilepsy foci. We have confirmed that the interleukin-1β (IL-1β) level is involved in the epileptogenesis of MTLE, and we further investigated how it works in its chronicity in this study...
2016: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28389411/complications-after-surgery-for-mesial-temporal-lobe-epilepsy-associated-with-hippocampal-sclerosis
#19
Bertrand Mathon, Vincent Navarro, Franck Bielle, Vi-Huong Nguyen-Michel, Alexandre Carpentier, Michel Baulac, Philippe Cornu, Claude Adam, Sophie Dupont, Stéphane Clemenceau
BACKGROUND: Hippocampal sclerosis is the most common cause of drug-resistant epilepsy amenable for surgical treatment and seizure control. This study aimed to analyze morbidities related to surgery of mesial temporal lobe epilepsy associated with hippocampal sclerosis and to identify possible risk factors for complications. METHODS: A retrospective analysis of postoperative complications was made for 389 operations performed between 1990 and 2015 on patients aged 15-67 years (mean 36...
June 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28386927/microsurgical-techniques-in-temporal-lobe-epilepsy
#20
REVIEW
Mario A Alonso Vanegas, Sean M Lew, Michiharu Morino, Stenio A Sarmento
Temporal lobe resection is the most prevalent epilepsy surgery procedure. However, there is no consensus on the best surgical approach to treat temporal lobe epilepsy. Complication rates are low and efficacy is very high regarding seizures after such procedures. However, there is still ample controversy regarding the best surgical approach to warrant maximum seizure control with minimal functional deficits. We describe the most frequently used microsurgical techniques for removal of both the lateral and mesial temporal lobe structures in the treatment of medically intractable temporal lobe epilepsy (TLE) due to mesial temporal sclerosis (corticoamygdalohippocampectomy and selective amygdalohippocampectomy)...
April 2017: Epilepsia
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