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mri status epilepticus

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https://www.readbyqxmd.com/read/29885875/clinical-characteristics-of-acute-encephalopathy-with-acute-brain-swelling-a-peculiar-type-of-acute-encephalopathy
#1
Megumi Nukui, Hisashi Kawawaki, Takeshi Inoue, Ichiro Kuki, Shin Okazaki, Kiyoko Amo, Masao Togawa, Junichi Ishikawa, Hiroshi Rinka, Masashi Shiomi
OBJECTIVES: Acute encephalopathy has been observed with acute brain swelling (ABS) that is characterized by rapid progression to whole-brain swelling. The objective of this study was to describe the clinical characteristics of ABS. METHODS: We encountered four patients with ABS and retrospectively investigated their clinical data with a medical chart review. RESULTS: Three patients had seizure clustering or status epilepticus in the clinical course...
June 7, 2018: Brain & Development
https://www.readbyqxmd.com/read/29883923/cerebral-amyloid-angiopathy-related-inflammation-with-epilepsy-mimicking-a-presentation-of-brain-tumor-a-case-report-and-review-of-the-literature
#2
Kosuke Kusakabe, Akihiro Inoue, Shirabe Matsumoto, Mie Kurata, Riko Kitazawa, Hideaki Watanabe, Takeharu Kunieda
INTRODUCTION: Cerebral amyloid angiopathy-related inflammation (CAA-ri), a rare and treatable variant of cerebral amyloid angiopathy, lacks specific imaging and clinical features, and requires invasive brain biopsy to confirm the diagnosis. We report the case of a patient with nonconvulsive status epilepticus (NCSE) caused by CAA-ri in the right occipital lobe. PRESENTATION OF CASE: A 78-year-old man with a history of hypertension and rheumatoid arthritis was admitted to our hospital following an episode of seizures...
May 29, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29864559/posterior-reversible-encephalopathy-syndrome-with-status-epilepticus-following-surgery-for-lumbar-stenosis-and-spondylolisthesis-case-report
#3
Pedro David Delgado-López, Gloria Garcés-Pérez, Juan García-Carrasco, Esther Alonso-García, Ana Isabel Gómez-Menéndez, Javier Martín-Alonso
BACKGROUND: Posterior reversible encephalopathy syndrome (PRES) is a clinicoradiological condition encountered in many different clinical settings, generally occurring in the context of hypertensive crisis, immunosuppressive therapy or autoimmune diseases. It is characterized by headache, stupor, seizures and visual alterations. MRI findings include white matter changes preferentially in the parieto-occipital regions. Although pathogenesis is not fully elucidated, vasoconstriction and brain hypoperfusion seem to be the cause of brain ischemia and vasogenic edema...
June 1, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29843024/profile-of-neuropsychological-impairment-in-sleep-related-hypermotor-epilepsy
#4
Laura Licchetta, Roberto Poda, Luca Vignatelli, Tommaso Pippucci, Corrado Zenesini, Veronica Menghi, Barbara Mostacci, Sara Baldassari, Federica Provini, Paolo Tinuper, Francesca Bisulli
OBJECTIVE: The aim of this study was to characterize the neuropsychological features of a representative sample of Sleep-related Hypermotor Epilepsy (SHE) patients and to highlight clinical associations. METHODS: This cross-sectional study included 60 consecutive patients with video/video-electroencephalography-documented SHE. All were assessed by measures of intelligence. Individuals with normal scores underwent a standardized battery of tests. The Fisher exact test and Wilcoxon rank-sum test for statistical analysis...
April 30, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29768694/de-novo-variants-in-rhobtb2-an-atypical-rho-gtpase-gene-cause-epileptic-encephalopathy
#5
Hazrat Belal, Mitsuko Nakashima, Hiroshi Matsumoto, Kenji Yokochi, Mariko Taniguchi-Ikeda, Kazushi Aoto, Mohammed Badrul Amin, Azusa Maruyama, Hiroaki Nagase, Takeshi Mizuguchi, Satoko Miyatake, Noriko Miyake, Kazumoto Iijima, Shigeaki Nonoyama, Naomichi Matsumoto, Hirotomo Saitsu
By whole exome sequencing, we identified three de novo RHOBTB2 variants in three patients with epileptic encephalopathies (EEs). Interestingly, all three patients showed acute encephalopathy (febrile status epilepticus), with magnetic resonance imaging revealing hemisphere swelling or reduced diffusion in various brain regions. RHOBTB2 encodes Rho-related BTB domain-containing protein 2, an atypical Rho GTPase that is a substrate-specific adaptor or itself is a substrate for the Cullin-3 (CUL3)-based ubiquitin/proteasome complex...
May 16, 2018: Human Mutation
https://www.readbyqxmd.com/read/29739085/cerebral-venous-sinus-thrombosis-with-cerebral-hemorrhage-presenting-with-status-epilepticus-in-early-pregnancy
#6
Xuemin Feng, Teng Zhao, Jingyao Liu, Chunkui Zhou
BACKGROUND: CVST is an important cause of stroke during late pregnancy and in the puerperium, but it is seldom encountered during early pregnancy. We report a case of a 34-year-old woman presenting with convulsive status epilepticus in early pregnancy. METHODS: In this case, the cranial computed tomography detected hemorrhage. Magnetic resonance imaging revealed a bilateral hypointense signal involving the frontal lobes and a hyperintense lesion on the right temporal lobe on T1-weighted imaging, and a large bilateral hyperintense area involving the frontal lobes on T2-weighted and fluid-attenuated inversion recovery imaging...
April 1, 2018: Clinical Laboratory
https://www.readbyqxmd.com/read/29666711/creutzfeldt-jakob-disease-presenting-as-expressive-aphasia-and-nonconvulsive-status-epilepticus
#7
Hafiz B Mahboob, Kazi H Kaokaf, Jeremy M Gonda
Creutzfeldt-Jakob disease (CJD), the most common form of human prion diseases, is a fatal condition with a mortality rate reaching 85% within one year of clinical presentation. CJD is characterized by rapidly progressive neurological deterioration in combination with typical electroencephalography (EEG) and magnetic resonance imaging (MRI) findings and positive cerebrospinal spinal fluid (CSF) analysis for 14-3-3 proteins. Unfortunately, CJD can have atypical clinical and radiological presentation in approximately 10% of cases, thus making the diagnosis often challenging...
2018: Case Reports in Critical Care
https://www.readbyqxmd.com/read/29600511/increased-cerebral-blood-flow-on-arterial-spin-labeling-magnetic-resonance-imaging-can-localize-to-seizure-focus-in-newborns-a-report-of-3-cases
#8
Patrick Mabray, Rapeepat Thewamit, Matthew T Whitehead, Amy Kao, Joseph Scafidi, William D Gaillard, Taeun Chang, Tammy N Tsuchida
Arterial spin labeling (ASL) magnetic resonance imaging (MRI) can assess cerebral blood flow (CBF) without using radiolabeled tracers. It is unknown whether regional increases in CBF on ASL MRI correlate with seizure location in newborns. We report 3 newborns with focal seizures localized on continuous video electroencephalogram (cEEG), anatomical brain MRI, and ASL MRI. Each patient underwent pseudocontinuous ASL with segmented 3-dimensional fast spin echo readout as part of standard care. Case 1 is a term male infant presenting with left temporal status epilepticus and recurrent cEEG seizures from an idiopathic large left intraventricular hemorrhage...
May 2018: Epilepsia
https://www.readbyqxmd.com/read/29530707/transient-focal-mri-abnormalities-after-status-epilepticus-showed-11c-methionine-uptake-with-pet-in-a-patient-with-cerebral-cavernous-malformation
#9
Taichi Ishiguro, Masayuki Nitta, Takashi Komori, Takashi Maruyama, Yoshihiro Muragaki, Takakazu Kawamata
BACKGROUND: Transient focal MRI abnormalities after status epilepticus (SE) are rarely seen in patients with benign brain tumors, and the underlying mechanism is still unknown. We report a rare case of cerebral cavernous malformation with transient focal MRI abnormalities around the tumor and accumulation of 11C-methionine on PET after SE. These findings mimicked those of a glioma because the MRI and methionine PET findings were similar. We also speculate about the cause of this phenomenon in relation to pathological findings of this case...
March 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29503335/lateralized-hyperkinetic-motor-behavior
#10
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
https://www.readbyqxmd.com/read/29492128/a-rare-case-of-concurrent-herpes-simplex-encephalitis-and-glioblastoma-multiforme
#11
Parag Sayal, Arif Zafar, Robin Highley
Herpes encephalitis superimposed on an intracranial malignancy has previously been described mainly in the context of malignancy imitating infection or in the postoperative setting after neurosurgical intervention. We report a rare case of de novo presentation of concurrent herpes encephalitis and glioblastoma. A 63-year-old man presented with status epilepticus and subsequent magnetic resonance imaging (MRI) brain showed a right temporal enhancing lesion with mass effect. He underwent a craniotomy and debulking of this lesion, which on subsequent histology was positive for herpes simplex virus (HSV) antigens and HSV DNA was confirmed by polymerase chain reaction analysis...
January 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29476662/new-clinicopathological-associations-and-histoprognostic-markers-in-ilae-types-of-hippocampal-sclerosis
#12
Ana Laura Calderon-Garcidueñas, Bertrand Mathon, Pierre Lévy, Anne Bertrand, Karima Mokhtari, Véronique Samson, Valérie Thuriès, Virginie Lambrecq, Vi-Huong Michel Nguyen, Sophie Dupont, Claude Adam, Michel Baulac, Stéphane Clémenceau, Charles Duyckaerts, Vincent Navarro, Franck Bielle
Mesial temporal lobe epilepsy with hippocampal sclerosis (MTLE-HS) is a heterogeneous syndrome. Surgery results in seizure freedom for most pharmacoresistant patients, but the epileptic and cognitive prognosis remains variable. The 2013 International League Against Epilepsy (ILAE) histopathological classification of hippocampal sclerosis (HS) has fostered research to understand MTLE-HS heterogeneity. We investigated the associations between histopathological features (ILAE types, hypertrophic CA4 neurons, granule cell layer alterations, CD34 immunopositive cells) and clinical features (presurgical history, postsurgical outcome) in a monocentric series of 247 MTLE-HS patients treated by surgery...
February 24, 2018: Brain Pathology
https://www.readbyqxmd.com/read/29475054/intravenous-infusion-of-mesenchymal-stem-cells-reduces-epileptogenesis-in-a-rat-model-of-status-epilepticus
#13
Shinobu Fukumura, Masanori Sasaki, Yuko Kataoka-Sasaki, Shinichi Oka, Masahito Nakazaki, Hiroshi Nagahama, Tomonori Morita, Takuro Sakai, Hiroyuki Tsutsumi, Jeffery D Kocsis, Osamu Honmou
OBJECTIVE: Status epilepticus (SE) causes neuronal cell death, aberrant mossy fiber sprouting (MFS), and cognitive deteriorations. The present study tested the hypothesis that systemically infused mesenchymal stem cells (MSCs) reduce epileptogenesis by inhibiting neuronal cell death and suppressing aberrant MFS, leading to cognitive function preservation in a rat model of epilepsy. METHODS: SE was induced using the lithium-pilocarpine injection model. The seizure frequency was scored using a video-monitoring system and the Morris water maze test was carried out to evaluate cognitive function...
March 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29465492/seizure-induced-increased-18f-dopa-uptake-in-a-child-with-diffuse-astrocytoma-and-transient-brain-mri-abnormalities-related-to-status-epilepticus
#14
Giovanni Morana, Gianluca Bottoni, Maria Margherita Mancardi, Antonio Verrico, Arnoldo Piccardo
We report the finding of increased F-DOPA uptake in the brain parenchyma surrounding a temporoparietal low-grade diffuse astrocytoma and corresponding to transient seizure-induced MRI abnormalities. There was concomitant markedly increased tumoral uptake. This F-DOPA PET phenomenon may represent increased amino acid transport induced by seizures. In the setting of brain tumor imaging, increased F-DOPA uptake of low-grade epileptogenic tumors and adjacent brain parenchyma should be carefully interpreted in light of clinical and electroencephalographic findings related to seizure activity...
May 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29414550/clinical-aspects-neuroimaging-and-electroencephalography-of-35-cases-of-hemiconvulsion-hemiplegia-syndrome
#15
Mohamed Albakaye, Halima Belaïdi, Fatiha Lahjouji, Leila Errguig, Callixte Kuate, Youssoufa Maiga, Seybou Hassane Diallo, Najib Kissani, Reda Ouazzani
INTRODUCTION: The hemiconvulsion-hemiplegia-epilepsy (HHE) syndrome is a rare consequence of febrile seizures during childhood. It is characterized by the presence of prolonged unilateral clonic seizures occurring during febrile illness in a child less than 4years of age. Then, a flaccid unilateral hemiplegia with variable duration occurs. OBJECTIVES: The objective of the study was to describe the clinical, electroencephalogram (EEG), and neuroimaging treatment and outcome of series of cases of HHE syndrome followed for 10years in our clinical neurophysiology department of the specialty hospital of Rabat...
March 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29383516/glioblastoma-as-differential-diagnosis-of-autoimmune-encephalitis
#16
Alberto Vogrig, Bastien Joubert, Francois Ducray, Laure Thomas, Cristina Izquierdo, Kévin Decaestecker, Olivier Martinaud, Emmanuel Gerardin, Sylvie Grand, Jérome Honnorat
OBJECTIVE: To identify the clinical and radiological features that should raise suspicion for the autoimmune encephalitis (AE)-like presentation of glioblastoma. METHODS: This is an observational, retrospective case series of patients referred to the French National Reference Center on Paraneoplastic Neurological Diseases for suspected AE (possible, probable or definite, using the 2016 criteria) who later received a final diagnosis of glioblastoma according to 2016 WHO criteria...
March 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29344471/a-6-month-old-girl-with-incontinentia-pigmenti-presenting-as-status-epilepticus
#17
Moon Young Seo, Su Jeong You, Soung Hee Kim, Woo Ho Cho, Jong Hee Chae
Incontinentia pigmenti (IP) is an uncommon neurocutaneous syndrome. Its initial diagnosis is based primarily on characteristic papulovesicular skin lesions and early-onset neonatal seizures. In contrast to typical early neurologic manifestations, we encountered a normally developed 6-month-old female patient with hyperpigmented whorls on her body. Following respiratory syncytial virus infection and fever, the patient exhibited status epilepticus. Brain magnetic resonance imaging studies of the patient were compatible with the findings of acute encephalopathy in IP...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344470/aphasic-status-epilepticus-associated-with-uremia
#18
Min-Surk Kye, Jung-Ju Lee, Byung-Kun Kim, Ohyun Kwon, Jong Moo Park, Kyusik Kang, Woong-Woo Lee
Aphasic status epilepticus (ASE) is a rare disorder characterized by recurrent aphasia without impairment of other cognitive functions. A 76-year-old woman with chronic kidney disease developed ASE after neglecting peritoneal dialysis. Magnetic resonance imaging failed to demonstrate an appropriate lesion. Electroencephalography demonstrated ictal discharges in the left frontotemporal leads. ASE disappeared after intravenous valproic acid and correction of uremia. This is the first case report of ASE in a patient with acute aggravation of uremia...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29303866/pet-and-ictal-spect-can-be-helpful-for-localizing-epileptic-foci
#19
Tim J von Oertzen
PURPOSE OF REVIEW: Functional neuroimaging with PET and SPECT is a commonly used tool in presurgical evaluation. The following article reviews the literature of PET and SPECT in presurgical assessment of epilepsies published in the last year. RECENT FINDINGS: FDG-PET adds concomitant information in temporal and extratemporal lobe epilepsy in adults and children. The pattern of hypometabolism in FDG-PET is a good additional predictor or seizure outcome in TLE with mesial temporal sclerosis or negative MRI...
April 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29260591/subacute-encephalopathy-with-seizures-in-alcoholics-sesa-presenting-as-focal-nonconvulsive-status-epilepticus
#20
Peter W Kaplan, Andrew Billnitzer, José Luis Fernández-Torre
PURPOSE: To acquaint readers with the underrecognized subacute encephalopathy with seizures in chronic alcoholics (SESA) that has more recently been associated with different types of status epilepticus. METHODS: Case reports and review of the literature on SESA and nonconvulsive status epilepticus (NCSE). RESULTS: Two cases: one with alternating bifrontoparietal NCSE, and one with focal, confusional NCSE, with imaging and EEG correlates. CONCLUSION: Underrecognized SESA may present as NCSE with focal clinical, EEG and reversible diffusion-weighted MRI abnormalities, warranting expedited diagnosis and antiseizure treatment to minimize morbidity...
December 1, 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
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