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https://www.readbyqxmd.com/read/28910681/the-imaging-spectrum-of-posterior-reversible-encephalopathy-syndrome-a-pictorial-review
#1
REVIEW
Emily Brady, Neal S Parikh, Babak B Navi, Ajay Gupta, Andrew D Schweitzer
Posterior reversible encephalopathy syndrome (PRES) is characterized by the acute onset of neurologic symptoms (headache, altered mental status, visual changes, seizures) with accompanying vasogenic edema on brain imaging. Risk factors for PRES include infection, uremia, malignancy, autoimmune disorders, the peripartum state and hypertension. PRES is classically described as being posterior (i.e. parieto-occipital) but radiologic variants are increasingly recognized. This pictorial review demonstrates the heterogeneity of the different radiologic presentations of PRES in reference to lesion distribution, hemorrhage, diffusion restriction, contrast enhancement, and other associated findings...
August 30, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28891522/impairments-of-cingulated-cortex-in-the-generalized-tonic-clonic-seizure-epilepsy-by%C3%A2-combining-morphological-and-functional-connectivity-magnetic-resonance-imaging
#2
Ming Ke, Bixia Jin, Guangyao Liu, Xiaoping Yang
Previous studies suggested that the patients with generalized tonic-clonic seizure had structural abnormalities in the thalamus, cingulated cortex and some other specific brain regions. Concurrently, the abnormality in thalamocortical network and basal ganglia network has been found in idiopathic generalized epilepsy. The cingulated cortex, a nexus of information processing and regulation in human brain, is implicated in the propagation of generalized spike in IGE and the previous studies have suggested that the structural features and functional connectivity of the cingulated cortex have been changed...
2017: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/28878299/a-study-on-clinicoradiological-characteristics-and-pregnancy-outcomes-of-reversible-posterior-leukoencephalopathy-syndrome-in-preeclampsia-or-eclampsia
#3
Xiaobo Fang, Yanling Liang, Dunjin Chen, Fang He, Jia Chen, Fami Huang
Reversible posterior leukoencephalopathy syndrome (RPLS) is a critical maternal complication in preeclampsia or eclampsia during pregnancy. However, studies regarding the clinicoradiological and outcome differences between RPLS and non-RPLS pregnancies are scarce. We aimed to explore the incidence of RPLS, and summarize the clinicoradiological characteristics and pregnancy outcomes. We consecutively collected a total of 100 patients who were diagnosed with preeclampsia or eclampsia, and examined via magnetic resonance imaging (MRI) among 21 872 women between 2013 and 2016...
September 7, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28864308/a-neurosurgeon-s-view-outcome-after-rf-ablation-for-mtle
#4
Hana Malikova, Roman Liscak
We reviewed the current RF-ablation technique for mTLE and complications relating to the procedure. RF-ablation of the amygdalohippocampal complex (AHC) is a stereotactic technique, performed under local anesthesia, which achieved long-term seizure-free clinical seizure outcomes in 71% of mTLE patients. Occipital access is used and thermolesions are made from a single trajectory in the long axis of the AHC. RF-ablation has shown a low complication rate and clinical seizure outcomes seem to be comparable with open surgical techniques...
August 25, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28840087/posterior-inferior-cerebellar-artery-thrombosed-aneurysm-associated-with-persistent-primitive-hypoglossal-artery-successfully-treated-with-condylar-fossa-approach
#5
Norihiro Saito, Rokuya Tanikawa, Toshiyuki Tsuboi, Kosmo Noda, Nakao Ota, Shirou Miyata, Hidetoshi Matsukawa, Takeshi Yanagisawa, Fumihiro Sakakibara, Yu Kinoshita, Takanori Miyazaki, Hiroyasu Kamiyama, Sadahisa Tokuda
A 68-year-old woman presented with generalized seizure due to the left internal carotid artery (ICA) aneurysmal compression of the ipsilateral medial temporal lobe. Computed tomography angiography (CTA) revealed multiple aneurysms of the right persistent primitive hypoglossal artery (PPHA), the right ICA, and the right anterior cerebral artery (ACA). The right PPHA originated from the ICA at the level of the C1 and C2 vertebral bodies and passed through the hypoglossal canal (HC). The PPHA aneurysm was large and thrombosed, which was located at the bifurcation of the right PPHA and the right posterior inferior cerebellar artery (PICA), projecting medially to compress the medulla oblongata...
July 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28837072/understanding-the-epilepsy-in-polg-related-disease
#6
REVIEW
Omar Hikmat, Tom Eichele, Charalampos Tzoulis, Laurence A Bindoff
Epilepsy is common in polymerase gamma (POLG) related disease and is associated with high morbidity and mortality. Epileptiform discharges typically affect the occipital regions initially and focal seizures, commonly evolving to bilateral convulsive seizures which are the most common seizure types in both adults and children. Our work has shown that mtDNA depletion-i.e., the quantitative loss of mtDNA-in neurones is the earliest and most important factor of the subsequent development of cellular dysfunction...
August 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28833053/a-distinct-clinicopathological-variant-of-focal-cortical-dysplasia-iiid-characterized-by-loss-of-layer-4-in-the-occipital-lobe-in-12-children-with-remote-hypoxic-ischemic-injury
#7
Dan-Dan Wang, Yue-Shan Piao, Ingmar Blumcke, Roland Coras, Wen-Jing Zhou, Qiu-Ping Gui, Cui-Cui Liu, Jing-Xia Hu, Li-Zhen Cao, Guo-Jun Zhang, De-Hong Lu
OBJECTIVE: In 2011, the International League Against Epilepsy (ILAE) proposed a consensus classification system of focal cortical dysplasia (FCD) to distinguish clinicopathological subtypes, for example, "isolated" FCD type Ia-c and IIa-b, versus "associated" FCD type IIIa-d. The histopathological differentiation of FCD type I and III variants remains, however, a challenging issue in everyday practice. We present a unique histopathological pattern in patients with difficult-to-diagnose FCD, which highlights this dilemma, but also helps to refine the current ILAE classification scheme of FCD...
August 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/28832005/the-use-of-single-bipolar-scalp-derivation-for-the-detection-of-ictal-events-during-long-term-eeg-monitoring
#8
Frank C Bennis, Evelien E Geertsema, Demetrios N Velis, Elise Em Reus, Gerhard H Visser
Epilepsy is difficult to diagnose using routine EEG recordings of short duration in patients who have low seizure frequency. Long-term EEG may be useful but is impractical in an out-of-hospital setting. We investigated whether single-channel scalp EEG placed behind the earlobe is suitable for seizure identification during prolonged EEG monitoring. Scalp EEG samples were selected from subjects over 15 years of age, and comprised two segments of either background followed by seizure or background followed by background...
August 23, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28828916/magnetoencephalographic-identification-of-epileptic-focus-in-children-with-generalized-electroencephalographic-eeg-features-but-focal-imaging-abnormalities
#9
Garima Shukla, Jin Kazutaka, Ajay Gupta, John Mosher, Stephen Jones, Andreas Alexopoulos, Richard C Burgess
PURPOSE: Children with generalized seizures are often excluded as epilepsy surgery candidates. This prospective study was conducted to evaluate the utility of magnetoencephalography (MEG) to refine the location of the "irritative zone" in children with single lesions on magnetic resonance imaging (MRI) but with generalized ictal electroencephalographic (EEG) findings. METHODS: Patients admitted with refractory epilepsy with imaging studies showing focal or hemispheric abnormalities but scalp video EEG showing generalized or multiregional epileptiform abnormalities were included...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28808366/clinical-features-and-outcomes-of-patients-with-posterior-reversible-encephalopathy-syndrome
#10
M S Kalaiselvan, M K Renuka, A S Arunkumar
AIMS: The aim of this study was to study the clinical features and outcomes of patients with posterior reversible encephalopathy syndrome (PRES) admitted to the Intensive Care Unit (ICU). SUBJECTS AND METHODS: All adult patients admitted to our ICU with acute onset neurologic symptoms with focal vasogenic edema on magnetic resonance imaging (MRI) were included in the study. Data were collected on demography, coexisting illness, admission severity of illness, neurological symptoms, blood pressure, treatment initiated, and MRI findings...
July 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28765190/reversible-central-neural-hyperexcitability-an-electroencephalographic-clue-to-hypocalcaemia
#11
Bhagyadhan A Patel, Rahul T Chakor, Kaumil V Kothari, Swaleha Nadaf
A 23-year-old male patient presented with cognitive decline and seizures. Examination revealed Chvostek's and Trousseau's signs. Investigations revealed hypocalcaemia, hyperphosphatemia and normal intact parathyroid hormone levels. Imaging showed calcifications in bilateral basal ganglia, thalamus and dentate nuclei. Interictal electroencephalogram showed theta range slowing of background activity and bilateral temporo-occipital, irregular, sharp and slow wave discharges, which accentuated during hyperventilation, photic stimulation and eye closure...
August 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28734692/respiratory-arrest-at-the-onset-of-idiopathic-childhood-occipital-epilepsy-of-gastaut
#12
Keiko Funata, Tatsuhiko Shike, Toshiki Takenouchi, Yukio Yamashita, Takao Takahashi
Occipital lobe epilepsy of childhood includes two entities: Panayiotopoulos syndrome in pre-school children, and idiopathic childhood occipital epilepsy of Gastaut (ICOEG) in school-age children. The typical initial manifestation of the former is vomiting, and that of the latter is visual hallucinations. Ictal cardiopulmonary arrest at initial presentation has been reported for Panayiotopoulos syndrome, but not for ICOEG. We document a 7-year-old previously healthy girl who experienced an acute elemental visual hallucination of seeing insects, followed by a new-onset generalized seizure...
July 19, 2017: Brain & Development
https://www.readbyqxmd.com/read/28732257/epileptiform-discharges-in-eeg-and-seizure-risk-in-adolescent-children-of-women-with-epilepsy
#13
Joseph Samuel, Manna Jose, V S Nandini, Sanjeev V Thomas
We aimed to study the epileptiform discharges (ED) and seizure risk in EEG of 12-18-year-old children of women with epilepsy (WWE). Children of WWE who were prospectively followed up in the Kerala registry of epilepsy and pregnancy (KREP), aged 12-16years (n=92; males 48, females 44) underwent clinical evaluation and a 30-min digital 18-channel EEG. The EEG showed epileptiform discharges in 13 children (5 males and 8 females). The EDs were generalized in 9 and focal in 4 (occipital 2, frontal 1, and centroparietal 1)...
July 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28699152/-characteristics-of-structural-injuries-in-pediatric-patients-with-focal-epilepsy-in-a-honduran-hospital
#14
A Ramirez-Izcoa, D Varela-Gonzalez, M I Fonseca
INTRODUCTION: Epilepsy is the most commonly occurring neurological disorder in the world. The study of structural brain lesions is important to understand the secondary complications. In Honduras there is little information on this topic. AIM: To determine the characteristics and proportion of structural brain lesions in paediatric patients with focal epilepsy at the Hospital Escuela Universitario. PATIENTS AND METHODS: A descriptive, cross-sectional, retrospective-prospective study...
August 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28697467/smoking-prevalence-and-seizure-control-in-chinese-males-with-epilepsy
#15
Hui Gao, Josemir W Sander, Xudong Du, Jiani Chen, Cairong Zhu, Dong Zhou
Smoking has a negative effect on most diseases, yet it is under-investigated in people with epilepsy; thus its role is not clear in the general population with epilepsy. We performed a retrospective pilot study on males with epilepsy to determine the smoking rate and its relationship with seizure control using univariate analysis to calculate odds ratios (ORs) and also used a multi-variate logistic regression model. The smoking rate in our sample of 278 individuals was 25.5%, which is lower than the general Chinese population smoking rate among males of 52...
July 7, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28689345/extensive-brain-infarction-involving-deep-structures-during-an-acetazolamide-challenged-single-photon-emission-computed-tomography-scan-in-a-patient-with-moyamoya-disease
#16
Sangjoon Chong, June Dong Park, Jong Hee Chae, Jung-Eun Cheon, Seung-Ki Kim, Ji Hoon Phi, Ji Yeoun Lee, Jin Chul Paeng, Kyu-Chang Wang
BACKGROUND: Acetazolamide-challenged brain single-photon emission computed tomography (SPECT) is used for the evaluation of cerebral perfusion in cerebrovascular diseases including moyamoya disease (MMD). Not a few patients experience adverse side effects during the acetazolamide-challenged brain SPECT, but most of the symptoms are mild and transient. To our knowledge, this is the first case report of severe brain infarction leading to death during the examination of an acetazolamide-challenged brain SPECT in a patient with MMD...
July 8, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28675420/seizure-associated-aphasia-has-good-lateralizing-but-poor-localizing-significance
#17
Anna Mira Loesch, Hannah Steger, Claudia Losher, Elisabeth Hartl, Jan Rémi, Christian Vollmar, Soheyl Noachtar
OBJECTIVE: To investigate the occurrence of ictal and postictal aphasia in different focal epilepsy syndromes. METHODS: We retrospectively analyzed the video-electroencephalographic monitoring data of 1,118 patients with focal epilepsy for seizure-associated aphasia (SAA). Statistical analysis included chi-square analysis and Fisher's exact test. RESULTS: We identified 102 of 1,118 patients (9.1%) in whom ictal or postictal aphasia (SAA) was part of their recorded seizures (n = 59 of 102; 57...
September 2017: Epilepsia
https://www.readbyqxmd.com/read/28631645/primary-leptomeningeal-primitive-neuroectodermal-tumor-a-difficult-entity-to-diagnose
#18
Jyothy Sehgal, Murthy Murali Krishna Jagarlapudi, Murthy V R K Tenneti, Syed Ameer Basha, Sundaram Challa
A 25-year-old male presented with difficulty in walking, loss of vision, and seizures. A clinical possibility of craniospinal meningeal pathology was considered. On computed tomography (CT) scan and magnetic resonance imaging, there was an enhancement of leptomeninges with few ring-enhancing lesions in both frontal lobes and right frontoparietal region. He was evaluated for low backache and occipital headache 2½ years earlier and was found to have communicating hydrocephalus on CT scan. He underwent ventriculoperitoneal shunt and was followed up with CT scans...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28623069/neonatal-hypoglycemia-a-wide-range-of-electroclinical-manifestations-and-seizure-outcomes
#19
Ebru Arhan, Zeynep Öztürk, Ayşe Serdaroğlu, Kürşad Aydın, Tuğba Hirfanoğlu, Yılmaz Akbaş
PURPOSE: We examined the various types of epilepsy in children with neonatal hypoglycemia in order to define electroclinical and prognostic features of these patients. METHOD: We retrospectively reviewed the medical records of patients with a history of symptomatic neonatal hypoglycaemia who have been followed at Gazi University Hospital Pediatric Neurology Department between 2006 and 2015. Patients with perinatal asphyxia were excluded. Details of each patient's perinatal history, neurological outcome, epilepsy details, seizure outcome and EEG and brain MRI findings were reviewed...
June 1, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28602933/familial-epilepsy-with-anterior-polymicrogyria-as-a-presentation-of-col18a1-mutations
#20
Mark A Corbett, Samantha J Turner, Alison Gardner, Jeremy Silver, Jim Stankovich, Richard J Leventer, Christopher P Derry, Renée Carroll, Thuong Ha, Ingrid E Scheffer, Melanie Bahlo, Graeme D Jackson, David A Mackey, Samuel F Berkovic, Jozef Gecz
Knobloch syndrome [OMIM: (KNO1) #267750] is a rare and clinically heterogeneous autosomal recessive disorder caused by mutations in COL18A1. Knobloch syndrome is characterised by abnormalities of the eye and occipital skull defects however the full phenotypic spectrum is yet to be defined. This report describes a family of four affected sisters with polymicrogyria, refractory seizures, and intellectual impairment of varying severity with a Lennox-Gastaut phenotype, and complex eye abnormalities where a syndromic diagnosis was not initially made...
August 2017: European Journal of Medical Genetics
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