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Occipital seizures

Moshe Spatz, Eric S Nussbaum, Lisa Lyons, Simi Greenberg, Kevin M Kallmes, Leslie A Nussbaum
Angiomatoid fibrous histiocytoma (AFH) is a tumour primarily occurring in the extremities which can very rarely occur as an isolated intracranial lesion. We report a case of a 22-year-old woman presenting with generalized seizure and visual field deficit due to an occipital mass, which immunohistochemistry showed to be an AFH.
March 15, 2018: British Journal of Neurosurgery
Stefania Evangelisti, Claudia Testa, Lorenzo Ferri, Laura Ludovica Gramegna, David Neil Manners, Giovanni Rizzo, Daniel Remondini, Gastone Castellani, Ilaria Naldi, Francesca Bisulli, Caterina Tonon, Paolo Tinuper, Raffaele Lodi
Objectives: To evaluate functional connectivity (FC) in patients with sleep-related hypermotor epilepsy (SHE) compared to healthy controls. Methods: Resting state fMRI was performed in 13 patients with a clinical diagnosis of SHE (age = 38.3 ± 11.8 years, 6 M) and 13 matched healthy controls (age = 38.5 ± 10.8 years, 6 M).Data were first analysed using probabilistic independent component analysis (ICA), then a graph theoretical approach was applied to assess topological and organizational properties at the whole brain level...
2018: NeuroImage: Clinical
Balaji Krishnaiah, Jayant Acharya, Aiesha Ahmed
Seizures are followed by a post-ictal period, which is characterized by usual slowing of brain activity. This case report describes a 68-year old woman who presented with right-sided rhythmic, non-voluntary, semi-purposeful motor behavior that started 2 days after an episode of generalized seizure. Her initial electroencephalogram (EEG) showed beta activity with no evidence of epileptiform discharges. Computed tomography scan showed hypodensity in the left parieto-occipital region. Magnetic resonance imaging (MRI) showed restricted diffusion/fluid-attenuated inversion recovery hyperintensities in the left precentral and post-central gyrus...
March 2018: Neurology India
Ling-Ling Xie, Xiao-Jie Song, Tian-Yi Li, Li Jiang
We report a case of 14-month-old male monozygotic twins showing early-onset intractable epilepsy, delayed psychomotor development, hypotonia, opisthotonus, and dysmorphism. They presented with refractory partial and secondary generalized tonic-clonic or myoclonic seizures since age of 6 months. Electroencephalograms mainly revealed fast activity in left occipital region and generalized high amplitude polyspikes and wave. Brain MRI was normal. A de novo germline hemizygous mutation, C.110 T > C (p...
March 1, 2018: Brain & Development
Noah Sideman, Ganne Chaitanya, Xiaosong He, Gaelle Doucet, Na Young Kim, Michael R Sperling, Ashwini D Sharan, Joseph I Tracy
OBJECTIVE: In epilepsy, asymmetries in the organization of mesial temporal lobe (MTL) functions help determine the cognitive risk associated with procedures such as anterior temporal lobectomy. Past studies have investigated the change/shift in a visual episodic memory laterality index (LI) in mesial temporal lobe structures through functional magnetic resonance imaging (fMRI) task activations. Here, we examine whether underlying task-related functional connectivity (FC) is concordant with such standard fMRI laterality measures...
February 27, 2018: Epilepsy & Behavior: E&B
Hülya Olgun Yazar, Günay Gül, Tamer Yazar, Fulya Eren, Demet-Yandım Kuscu, Dursun Kirbas
Background and purpose: Epilepsy with photosensitivity (PSE) is one of the reflex epilepsy types with pathophysiology still unexplained. In our study we aimed to evaluate the clinical, electroencephalogram (EEG) and prognosis of patients with PSE diagnosis. Methods: A total of 44 patients with PSE diagnosis according to international classification were included in this retrospective and cross-sectional study. The age, gender, syndrome, clinical and EEG characteristics of patients, and treatment response were investigated...
January 30, 2018: Ideggyógyászati Szemle
M Yigit, E Yigit, K A Turkdogan
Posterior reversible encephalopathy syndrome (PRES) is an entity characterized by headache, altered mental status, seizures, visual disturbances, and focal neurological signs. The most common etiologies of PRES are hypertension and renal failure, and the most frequent pathophysiology is hyperperfusion. PRES is generally symmetrical, often in the occipital and parietal lobes, and is typically characterized by vasogenic edema in the subcortical white matter. This study involves a 38-year-old female patient who had hypertension, used immunosuppressive drugs and was also found to have nephropathy...
February 2018: Nigerian Journal of Clinical Practice
Lisa Frank, Matthias Lüpke, Draginja Kostic, Wolfgang Löscher, Andrea Tipold
BACKGROUND: One of the most common chronic neurological disorders in dogs is idiopathic epilepsy (IE) diagnosed as epilepsy without structural changes in the brain. In the current study the hypothesis should be proven that subtle grey matter changes occur in epileptic dogs. Therefore, magnetic resonance (MR) images of one dog breed (Beagles) were used to obtain an approximately uniform brain shape. Local differences in grey matter volume (GMV) were compared between 5 healthy Beagles and 10 Beagles with spontaneously recurrent seizures (5 dogs with IE and 5 dogs with structural epilepsy (SE)), using voxel-based morphometry (VBM)...
February 20, 2018: BMC Veterinary Research
Deepak Menon, Ramshekhar N Menon, Chandrasekharan Kesavadas, Anita Mahadevan, Ashalatha Radhakrishnan, Sudheeran Kannoth, Pradeep P Nair, Mathew Abraham, Bejoy Thomas, Sanjeev V Thomas
New-onset refractory focal epilepsy poses significant challenges to the clinician in the absence of specific diagnostic biomarkers. Differential diagnoses based on imaging may be expanded by a veritable spectrum of peri-ictal imaging findings that may mask the underlying substrate. We report a 13-year-old girl who presented with refractory focal seizures of left parieto-occipital origin with cytotoxic gyral oedema noted over the same region on imaging. Despite an initial negative autoantibody profile, the patient was treated with immunosuppression, followed by serial relapses requiring immune-modulation...
February 1, 2018: Epileptic Disorders: International Epilepsy Journal with Videotape
Hea Ree Park, Min Jae Seong, Young-Min Shon, Eun Yeon Joo, Dae-Won Seo, Seung Bong Hong
Ictal automatism with preserved responsiveness (APR) has been reported, particularly in nondominant temporal lobe epilepsy (TLE), but its pathophysiology remains poorly understood. This study sought to investigate the relationship between APRs and increased cerebral blood flow (CBF) using ictal single photon emission computed tomography (SPECT) in TLE. Forty-seven subjects with right mesial TLE (15 with and 32 without APR) were enrolled. Patients with APR (APR+) were subdivided into four groups according to degree of responsiveness during seizures...
January 19, 2018: Epilepsy & Behavior: E&B
Serdal Gungor, Betul Kilic, Yilmaz Tabel, Ayse Selimoglu, Unsal Ozgen, Sezai Yilmaz
Objective: Posterior reversible encephalopathy syndrome (PRES) is characterized by typical radiologic findings in the posterior regions of the cerebral hemispheres and cerebellum. The symptoms include headache, nausea, vomiting, visual disturbances, focal neurologic deficits, and seizures. The aim of this study is to evaluate the clinical and radiological features of PRES in children and to emphasize the recognition of atypical features. Materials & Methods: We retrospectively examined 23 children with PRES from Mar 2010-Apr 2015 in Inonu University Turgut Ozal Medical Center in Turkey...
2018: Iranian Journal of Child Neurology
Kenneth A Myers, Susan M White, Shehla Mohammed, Kay A Metcalfe, Andrew E Fry, Elisabeth Wraige, Pradeep C Vasudevan, Meena Balasubramanian, Ingrid E Scheffer
Bainbridge-Ropers syndrome is a genetic syndrome caused by heterozygous loss-of-function pathogenic variants in ASXL3, which encodes a protein involved in transcriptional regulation. Affected individuals have multiple abnormalities including developmental impairment, hypotonia and characteristic facial features. Seizures are reported in approximately a third of cases; however, the epileptology has not been thoroughly studied. We identified three patients with pathogenic ASXL3 variants and seizures at Austin Health and in the DECIPHER database...
January 20, 2018: Epilepsy Research
Judy Wu, Carina Yang, John Collins, Daniel Thomas Ginat
History A 10-year-old girl with global developmental delay and attention deficit hyperactivity disorder was transferred from an outside hospital because of confusion and multiple episodes of left face and arm jerking. Physical examination revealed normal muscle bulk, strength, and tone in the bilateral upper and lower extremities but insuppressible left arm and jaw twitching Lumbar puncture revealed no white or red blood cells, a normal glucose level of 55 mg/dL (3.0 mmol/L) (normal range, 50-80 mg/dL [2.8-4...
February 2018: Radiology
Zabit Hameed, Saqib Saleem, Jawad Mirza, Muhammad Salman Mustafa, Qamar-Ul-Islam
Epilepsy is a brain disorder characterised by the recurrent and unpredictable interruptions of normal brain function, called epileptic seizures. The present study attempts to derive new diagnostic indices which may delineate between ictal and interictal states of epilepsy. To achieve this, the nonlinear modeling approach of global principal dynamic modes (PDMs) is adopted to examine the functional connectivity of the temporal and frontal lobes with the occipital brain segment using an ensemble of paediatric EEGs having the presence of epileptic seizure...
2018: PloS One
Akira Komori, Daisuke Mizu, Koichi Ariyoshi
BACKGROUND: Posterior reversible encephalopathy syndrome (PRES) is a condition characterized by seizures, altered consciousness, visual disturbances, and headache. Characteristic findings on neuroimaging include cerebral edema, typically involving the parieto-occipital white matter. PRES has been associated with hypertension, autoimmune disease, and Henoch-Schölein purpura (HSP), but few cases have been reported, and fewer cases of PRES have been reported in children. CASE REPORT: We report the case of a 4-year-old girl who presented with blindness and semi-consciousness...
January 12, 2018: Journal of Emergency Medicine
Jian-Zhao Zhang, Qian Chen, Ping Zheng, Li-Na Xie, Xiao-Li Yi, Hai-Tao Ren, Jian Yang
OBJECTIVE: To investigate the clinical features of children with anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis with normal or abnormal cranial magnetic resonance imaging (MRI) findings via a comparative analysis. METHODS: A retrospective analysis was performed for the clinical data of 33 children with anti-NMDAR encephalitis. The clinical features and prognosis were compared between the children with normal and abnormal cranial MRI findings. RESULTS: In the 33 children with anti-NMDAR encephalitis, the most common initial symptoms were seizures (61%) and involuntary movement (61%), followed by language disorder (54%), mental and behavioral abnormalities (52%), and disturbance of consciousness (30%)...
January 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
Nicholas Willard, Justin M Honce, B K Kleinschmidt-DeMasters
Posterior reversible encephalopathy syndrome was described in 1996 as a clinical-neuroimaging entity characterized by parieto-occipital watershed-region edema without overt infarction. It has been linked to hypertension, eclampsia, immunosuppressive therapies, infections, and autoimmune disorders. The condition usually has an acute onset, presents with seizures, and ameliorates within days. There have been few neuropathological studies, but in some cases, tissue damage may be more permanent.
February 1, 2018: Journal of Neuropathology and Experimental Neurology
Magdalena Stârcea, Cristina Gavrilovici, Mihaela Munteanu, Ingrith Miron
An uncommon side effect of cyclosporine A (CsA) use is posterior reversible encephalopathy syndrome (PRES). PRES usually develops because of disturbed capacity of posterior cerebral blood flow to autoregulate an acute rise in blood pressure. We present the case of a 10-year-old girl who was previously diagnosed in our department with focal segmental glomerulosclerosis. She was treated with CsA and developed seizures, progressive loss of consciousness, and visual disturbance on the 7th day of treatment. Brain magnetic resonance imaging showed degeneration of white matter with diffuse demyelination in the parietal and posterior occipital lobes, consistent with the diagnosis of PRES...
January 1, 2018: Journal of International Medical Research
Ying Gu, Evy Cleeren, Jonathan Dan, Kasper Claes, Wim Van Paesschen, Sabine Van Huffel, Borbála Hunyadi
A wearable electroencephalogram (EEG) device for continuous monitoring of patients suffering from epilepsy would provide valuable information for the management of the disease. Currently no EEG setup is small and unobtrusive enough to be used in daily life. Recording behind the ear could prove to be a solution to a wearable EEG setup. This article examines the feasibility of recording epileptic EEG from behind the ear. It is achieved by comparison with scalp EEG recordings. Traditional scalp EEG and behind-the-ear EEG were simultaneously acquired from 12 patients with temporal, parietal, or occipital lobe epilepsy...
December 23, 2017: Sensors
Jian Zhang, Yiting Hu, Jimin Zheng, Juncha Gao, Hongtao Hou, Na Liu, Yuzhen Wang
Acute intermittent porphyria (AIP) is a rare inherited disorder of heme metabolism. It has the ability to trigger posterior reversible encephalopathy syndrome (PRES), a rare acute neurologic condition that is characterized by acute neurological symptoms. Pregnancy may induce AIP attacks. The present report describes the case of a pregnant woman with AIP. The patient was treated with heme-arginate during pregnancy and successfully delivered a healthy baby. Following delivery, the patient presented with PRES and experienced generalized seizures...
December 2017: Experimental and Therapeutic Medicine
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