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Corpus callosum & encephalopathy

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https://www.readbyqxmd.com/read/27887978/mild-encephalitis-encephalopathy-with-reversible-splenial-lesion-mers-due-to-dengue-virus
#1
Choong Yi Fong, Mi Mi Ko Khine, Alan Basil Peter, Wei Kang Lim, Faizatul Izza Rozalli, Kartini Rahmat
A 14-year-old girl presented with encephalopathy, delirium and ophthalmoplegia following a 3day history of high-grade fever. Brain MRI on day 6 of illness showed diffusion restricted ovoid lesion in the splenium of corpus callosum. Dengue virus encephalitis was diagnosed with positive PCR for dengue virus type-2 in both serum and cerebrospinal fluid. She made a complete recovery from day 10 of illness. Repeat brain MRI on day 12 of illness showed resolution of the splenial lesion. Serial diffusion tensor imaging (DTI) showed normal fractional anisotropy values on resolution of splenial lesion indicating that MERS was likely due to transient interstitial oedema with preservation of white matter tracts...
November 23, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27881816/hypothermia-treated-neonates-with-hypoxic-ischemic-encephalopathy-optimal-timing-of-quantitative-adc-measurement-to-predict-disease-severity
#2
Yauk K Lee, Alex Penn, Mahesh Patel, Rajul Pandit, Dongli Song, Bo Yoon Ha
To determine the optimal time window for MR imaging with quantitative ADC measurement in neonatal HIE after hypothermia treatment, a retrospective review was performed on consecutive hypothermia-treated term neonates with HIE, with an initial and follow-up MR imaging within the first two weeks of life. Three neuroradiologists categorized each set of MR imaging as normal, mild, moderate or severe HIE based on a consensus review of the serial imaging. The lowest ADC values from the white matter, corpus callosum, and basal ganglia/thalamus were measured...
November 23, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27863115/reversible-splenial-lesion-syndrome-with-a-hyperosmolar-hyperglycemic-state-and-neuroleptic-malignant-syndrome-caused-by-olanzapine
#3
Kenta Kaino, Ryo Kumagai, Shoko Furukawa, Momoko Isono, Aiko Muramatsu, Masanao Fujii, Yumiko Muta, Tomoyuki Asada, Kazuya Fujihara, Hiroaki Yagyu
A 27-year-old woman with panic disorder taking 20 mg olanzapine daily for 4 months was admitted to our hospital because of disturbed consciousness with fever, hyperglycemia, hyperosmolarity, and elevated creatine phosphokinase. She was diagnosed with a hyperosmolar hyperglycemic state (HHS) and neuroleptic malignant syndrome (NMS). Brain magnetic resonance imaging (MRI) showed transiently restricted diffusion in the splenium of the corpus callosum (SCC), with a high signal intensity on diffusion-weighted imaging...
November 18, 2016: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/27858890/mild-encephalopathy-with-a-reversible-splenial-lesion-mimicking-transient-ischemic-attack-a-case-report
#4
Kai Dong, Qian Zhang, Jianping Ding, Liankun Ren, Zhen Zhang, Longfei Wu, Wuwei Feng, Haiqing Song
BACKGROUND: Reversible splenial lesion syndrome (RESLES) is a newly recognized syndrome, and a reversible progress associated with transiently reduced diffusion lesion in the splenium of the corpus callosum (SCC) is the typical pathological finding. The routine clinical symptoms include mildly altered states of consciousness, delirium, and seizures. METHODS: We presented a 14-year-old patient with signs suggestive of transient ischemic attack (TIA), including triple episodic weakness on the right upper limb, slurred speech, and bucking, lasting several hours in each time 2 days ago...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27853083/reversible-cerebral-vasoconstriction-syndrome-with-transient-splenial-lesions-after-delivery
#5
Akiyuki Hiraga, Kyosuke Koide, Yuya Aotsuka, Satoshi Kuwabara
Reversible cerebral vasoconstriction syndrome (RCVS) is characterized by segmental vasospasm and it is often accompanied by either posterior reversible encephalopathy syndrome or stroke. However, other MRI abnormalities have rarely been reported. A 28-year-old woman presented with a thunderclap headache immediately after delivery; MRI showed segmental vasoconstriction and an abnormal signal in the splenium of the corpus callosum. Neuroimaging abnormalities normalized 20 days after the first examination. Only two cases of RCVS with transient splenial lesions (TSL) have so far been reported...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27836006/mycoplasma-pneumoniae-associated-mild-encephalitis-encephalopathy-with-a-reversible-splenial-lesion-report-of-two-pediatric-cases-and-a-comprehensive-literature-review
#6
Norishi Ueda, Satoshi Minami, Manabu Akimoto
BACKGROUND: No literature review exists on Mycoplasma pneumoniae-associated mild encephalitis/encepharopathy with a reversible splenial lesion (MERS). METHODS: M.pneumoniae-associated MERS cases were searched till August 2016 using PubMed/Google for English/other-language publications and Ichushi ( http://www.jamas.or.jp/ ) for Japanese-language publications. Inclusion criteria were children fulfilling definition for encephalitis, M.pneumoniae infection, and neuroimaging showing hyperintensity in the splenium of the corpus callosum (SCC) alone (type I) or SCC/other brain areas (type II)...
November 11, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27823946/clinically-mild-encephalitis-encephalopathy-with-a-reversible-splenial-lesion-of-corpus-callosum-in-chinese-children
#7
Qiong Fang, Lang Chen, Qiaobin Chen, Zhi Lin, Fang Yang
OBJECTIVE: To investigate the characteristics and etiology of mild encephalitis/encephalopathy with a reversible splenial lesion (MERS) in Chinese children. METHODS: We collected ten pediatric MERS patients from local hospital and enrolled another nineteen patients by reviewing the available literatures. The information of enrolled patients about clinical features, laboratory data, treatment strategies and prognoses were collected for further analysis. RESULTS: A total of 29 children, the median age of twenty-nine patients was (4...
November 4, 2016: Brain & Development
https://www.readbyqxmd.com/read/27805338/metronidazole-induced-encephalopathy
#8
Nisarg Thakkar, Bhaarat, Ramesh Chand, Raman Sharma, Sunil Mahavar, Swati Srivastava, Arvind Palawat
Metronidazole is an antimicrobial used for the treatment of anaerobic bacterial and protozoal infections. Neurological toxicity due to metronidazole use has been a matter of concern and many case reports of neurotoxicity are being published. We report here a case of a 32 years old male chronic alcoholic with multiple liver abscesses and history of 6 weeks use of metronidazole presenting with multiple episodes of seizures, burning sensation of feet and altered sensorium. MRI Brain revealed characteristic and reversible involvement of dentate nuclei and splenium of corpus callosum, typical of metronidazole induced encephalopathy (MIE)...
November 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27777703/mild-encephalopathy-with-reversible-lesions-in-the-splenium-of-corpus-callosum-and-bilateral-cerebral-deep-white-matter-in-identical-twins
#9
Junko Tahara, Jun Shinozuka, Hitoshi Awaguni, Shin-Ichiro Tanaka, Shigeru Makino, Rikken Maruyama, Shinsaku Imashuku
Identical twin brothers developed mild encephalopathy at the age of 7.0 and 9.7 years (Patient 1) and 10.7 years (Patient 2). Patient 1 had influenza A at the time of his second episode, but triggering agents were not evident at the first episode. The triggering agents in Patient 2 were unclear. The neurological features of both patients included transient facial numbness, left arm paresis, dysarthria, and gait disturbance. Diffusion-weighted images from magnetic resonance imaging showed high signal levels at the splenium of corpus callosum and in the bilateral cerebral deep white matter...
September 19, 2016: Pediatric Reports
https://www.readbyqxmd.com/read/27743886/a-case-of-early-onset-epileptic-encephalopathy-with-de-novo-mutation-in-slc35a2-clinical-features-and-treatment-for-epilepsy
#10
Tomokazu Kimizu, Yukitoshi Takahashi, Taikan Oboshi, Asako Horino, Takayoshi Koike, Shinsaku Yoshitomi, Tatsuo Mori, Tokito Yamaguchi, Hiroko Ikeda, Nobuhiko Okamoto, Mitsuko Nakashima, Hirotomo Saitsu, Mitsuhiro Kato, Naomichi Matsumoto, Katsumi Imai
INTRODUCTION: Mutations of SLC35A2 that encodes Golgi-localized Uridine diphosphate (UDP)-galactose transporter at Xp11.23 lead to congenital disorders of glycosylation (CDG). Although patients with CDG generally have diverse systemic symptoms, patients with a SLC35A2 mutation manifest predominantly disorders of the central nervous system (CNS). CASE REPORT: A female infant aged 12months was referred to our center because of intractable seizures. The patient was born with birth weight of 3228g after 40weeks of unremarkable gestation...
October 12, 2016: Brain & Development
https://www.readbyqxmd.com/read/27686206/-a-4-year-old-girl-with-diarrhoea-paresis-and-mutism
#11
Mette Engan, John Asle Bjørlykke, Gunnar Moen, Kjetil Børve Lund, Gro Njølstad
BACKGROUND Rotavirus is a common cause of gastroenteritis in children. Neurological manifestations associated with rotavirus infections are well described and range from benign afebrile convulsions to lethal encephalopathy or encephalitis.CASE PRESENTATION We present an uncommon neurological manifestation in a Caucasian child in the course of a rotavirus infection. A 4-year old girl presented with mutism, hypotonia and reduced consciousness. Magnetic resonance imaging revealed diffusion abnormalities in the splenium corpus callosum and bilaterally in the nuclei dentate in the cerebellum...
September 2016: Tidsskrift for Den Norske Lægeforening: Tidsskrift for Praktisk Medicin, Ny Række
https://www.readbyqxmd.com/read/27666370/biallelic-mutations-in-tbcd-encoding-the-tubulin-folding-cofactor-d-perturb-microtubule-dynamics-and-cause-early-onset-encephalopathy
#12
Elisabetta Flex, Marcello Niceta, Serena Cecchetti, Isabelle Thiffault, Margaret G Au, Alessandro Capuano, Emanuela Piermarini, Anna A Ivanova, Joshua W Francis, Giovanni Chillemi, Balasubramanian Chandramouli, Giovanna Carpentieri, Charlotte A Haaxma, Andrea Ciolfi, Simone Pizzi, Ganka V Douglas, Kara Levine, Antonella Sferra, Maria Lisa Dentici, Rolph R Pfundt, Jean-Baptiste Le Pichon, Emily Farrow, Frank Baas, Fiorella Piemonte, Bruno Dallapiccola, John M Graham, Carol J Saunders, Enrico Bertini, Richard A Kahn, David A Koolen, Marco Tartaglia
Microtubules are dynamic cytoskeletal elements coordinating and supporting a variety of neuronal processes, including cell division, migration, polarity, intracellular trafficking, and signal transduction. Mutations in genes encoding tubulins and microtubule-associated proteins are known to cause neurodevelopmental and neurodegenerative disorders. Growing evidence suggests that altered microtubule dynamics may also underlie or contribute to neurodevelopmental disorders and neurodegeneration. We report that biallelic mutations in TBCD, encoding one of the five co-chaperones required for assembly and disassembly of the αβ-tubulin heterodimer, the structural unit of microtubules, cause a disease with neurodevelopmental and neurodegenerative features characterized by early-onset cortical atrophy, secondary hypomyelination, microcephaly, thin corpus callosum, developmental delay, intellectual disability, seizures, optic atrophy, and spastic quadriplegia...
October 6, 2016: American Journal of Human Genetics
https://www.readbyqxmd.com/read/27659964/erythropoietin-improves-hypoxic-ischemic-encephalopathy-in-neonatal-rats-after-short-term-anoxia-by-enhancing-angiogenesis
#13
Fangfang Yan, Meimei Zhang, Yan Meng, Huijuan Li, Lie Yu, Xiaojie Fu, Youcai Tang, Chao Jiang
Erythropoietin (EPO) is important for angiogenesis after hypoxia/ischemia. In this study, we investigated whether recombinant human erythropoietin (rhEPO) can enhance angiogenesis, and promote cognitive function through vascular endothelial growth factor (VEGF)/VEGF receptor 2 (VEGFR2) signaling pathway in a rat model of hypoxic-ischemic encephalopathy (HIE). RhEPO, selective VEGFR2 inhibitor (SU5416) or vehicle was administrated by intraperitoneal injection. The assessment for cognitive function begins on day 60 after anoxia...
November 15, 2016: Brain Research
https://www.readbyqxmd.com/read/27641480/mild-encephalitis-encephalopathy-with-reversible-splenial-lesion-mers-associated-with-streptococcus-pneumoniae-bacteraemia
#14
Gulhadiye Avcu, Mehmet Arda Kilinc, Cenk Eraslan, Bulent Karapinar, Fadil Vardar
Mild encephalopathy with a reversible splenial lesion (MERS) is a clinico-radiological syndrome that can be related to infectious and non-infectious conditions. Patients present with mild neurological symptoms, and magnetic resonance imaging typically demonstrate a reversible lesion with transiently reduced diffusion in the splenium of the corpus callosum. Here, we describe MERS in a 10-year-old boy who presented with fever and consciousness and who completely recovered within a few days. Streptococcus pneumoniae was the causative agent...
September 15, 2016: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/27638326/seizures-and-electroencephalography-findings-in-61-patients-with-fetal-alcohol-spectrum-disorders
#15
S Boronat, M Vicente, E Lainez, A Sánchez-Montañez, E Vázquez, L Mangado, L Martínez-Ribot, M Del Campo
Fetal alcohol spectrum disorders (FASD) cause neurodevelopmental abnormalities. However, publications about epilepsy and electroencephalographic features are scarce. In this study, we prospectively performed electroencephalography (EEG) and brain magnetic resonance (MR) imaging in 61 patients with diagnosis of FASD. One patient had multiple febrile seizures with normal EEGs. Fourteen children showed EEG anomalies, including slow background activity and interictal epileptiform discharges, focal and/or generalized, and 3 of them had epilepsy...
September 13, 2016: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/27629918/magnetic-resonance-imaging-of-leukoencephalopathy-in-amnestic-workers-exposed-to-organotin
#16
Eunmi Lee, Ji Eun Park, Mayu Iida, Tomoya Fujie, Toshiyuki Kaji, Gaku Ichihara, Young Cheol Weon, Yangho Kim
We report the clinical and neuroimaging findings of 4 men who worked in the production of inorganic metal tin ingot from organotin scrap who presented with similar episodes of reversible amnesia. T2-weighted-fluid-attenuated inversion recovery magnetic resonance imaging (FLAIR MRI) scans in 3 of the patients showed symmetric hyperintensity in the frontoparietal periventricular white matter and the corpus callosum, and reduced apparent diffusion coefficients (ADCs) based on diffusion weighted imaging (DWI). One patient had symmetric faint hyperintensity in the parietal periventricular white matter only in the FLAIR images...
September 11, 2016: Neurotoxicology
https://www.readbyqxmd.com/read/27594956/marchiafava-bignami-disease-in-chronic-alcoholic-patient
#17
Tekwani Parmanand H
Marchiafava-Bignami disease is a rare toxic encephalopathy seen mostly in chronic alcoholics due to progressive demyelination and necrosis of the corpus callosum. It may involve adjacent white matter and subcortical regions. We present here the magnetic resonance imaging findings of Machiafava-Bignami disease in a chronic alcoholic patient. In 1903, Italian pathologists Marchiafava and Bignami described 3 alcoholic men who died after having seizures and coma. All 3 patients were chronic alcoholics and had consumed considerable amounts of red wine...
September 2016: Radiology case reports
https://www.readbyqxmd.com/read/27591118/reversible-splenial-lesion-syndrome-in-children-retrospective-study-and-summary-of-case-series
#18
Wen-Xiong Chen, Hong-Sheng Liu, Si-Da Yang, Si-Hui Zeng, Yuan-Yuan Gao, Zhi-Hong Du, Xiao-Jing Li, Hai-Sheng Lin, Hui-Ci Liang, Jian-Ning Mai
OBJECTIVE: To describe clinical features of reversible splenial lesion syndrome (RESLES) in children. METHODS: Retrospectively analyzed clinical features of RESLES in children and compared differences between severe and non-severe group, classified by clinical global impression-scale; summarized clinical features of children with mild encephalitis/encephalopathy with a reversible splenial lesion (MERS) from case series. RESULTS: 16 episodes of RESLES occurring in 15 Chinese children were analyzed, with 13 episodes having MERS and 3 episodes with epilepsy...
November 2016: Brain & Development
https://www.readbyqxmd.com/read/27580765/a-case-of-posterior-reversible-leukoencephalopathy-syndrome-caused-by-fibromuscular-dysplasia
#19
Fumi Kobayashi, Hidetaka Kato, Miki Suzuki, Ryosuke Usui, Minako Koike, Takashi Ohashi
A 23-year-old woman presented with disturbance of consciousness and seizure. Her blood pressure was remarkably high, and brain magnetic resonance imaging (MRI) showed high-intensity T2 signals in the bilateral basal ganglia, corpus callosum, cerebral white matter, and cortex. With the administration of angiotensin II receptor blocker, the symptoms and MRI findings improved, along with normalization of blood pressure, and a diagnosis of posterior reversible leukoencephalopathy syndrome (PRES) was made. Plasma renin activity was high, and the right kidney was severely atrophic...
September 29, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/27571996/lethal-neonatal-ltbl-associated-with-biallelic-ears2-variants-case-report-and-review-of-the-reported-neuroradiological-features
#20
Renata Oliveira, Ewen W Sommerville, Kyle Thompson, Joana Nunes, Angela Pyle, Manuela Grazina, Patrick F Chinnery, Luísa Diogo, Paula Garcia, Robert W Taylor
Mitochondrial translation defects are important causes of early onset mitochondrial disease. Although the biochemical (combined respiratory chain deficiency) signature and neuroimaging are usually distinctive, they are not diagnostic as the genetic origin of mitochondrial translation defects is heterogeneous. We report a female child, born at term to non-consanguineous parents, who exhibited global hypotonia, failure to thrive, persistent and progressive hyperlactacidaemia with lactic acidosis, liver dysfunction and encephalopathy and died at the age of 5 months...
August 30, 2016: JIMD Reports
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