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https://www.readbyqxmd.com/read/29663010/septo-optic-dysplasia-assessment-of-associated-findings-with-special-attention-to-the-olfactory-sulci-and-tracts
#1
John C Benson, David Nascene, Charles Truwit, Alexander M McKinney
PURPOSE: Septo-optic dysplasia is a congenital disorder consisting of optic nerve hypoplasia and absent septum pellucidum. While associated anomalies have been described, olfactory sulcus and bulb-tract hypoplasia have been scantily reported and was the focus of this study. METHODS: The picture archival and communications system and radiology information system (PACS-RIS) was searched over 15 years for patients with suspected septo-optic dysplasia (n = 41) and cerebral magnetic resonance imaging (MRI)...
April 16, 2018: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29434494/schizencephaly-and-porencephaly-due-to-fetal-intracranial-hemorrhage-a-report-of-two-cases
#2
Takashi Harada, Takashi Uegaki, Kazuya Arata, Takako Tsunetou, Fuminori Taniguchi, Tasuku Harada
Schizencephaly and porencephaly are extremely rare types of cortical dysplasia. Case 1: Prenatal magnetic resonance imaging (MRI) showed wide clefts in the frontal and parietal lobes bilaterally. On postnatal day 3, MRI T2-weighted images showed multiple hypointensities in the clefts and ventricular walls, suggestive of hemosiderosis secondary to intracranial hemorrhage. Case 2: Prenatal MRI showed bilateral cleft and cyst formation in the fetal cerebrum, as well as calcification and hemosiderosis indicative of past hemorrhage...
December 2017: Yonago Acta Medica
https://www.readbyqxmd.com/read/29371079/schizencephaly-in-children-a-single-medical-center-retrospective-study
#3
Po-Cheng Hung, Huei-Shyong Wang, Ming-Liang Chou, Kuang-Lin Lin, Meng-Ying Hsieh, I-Jun Chou, Alex M-C Wong
BACKGROUND: The aim of this study was to evaluate the clinical, and neuroimaging features, outcomes, and other associated systemic disorders in children with schizencephaly at a single medical center in Taiwan. METHODS: We retrospectively reviewed the medical records and magnetic resonance images (MRI) of children with schizencephaly between January 2000 and December 2014. The MRI findings of schizencephaly were recorded along with the presence of associated cerebral disorders...
January 6, 2018: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29302567/a-rare-case-of-schizencephaly-in-an-adult-with-late-presentation
#4
Vijaya Kamble, Amol Madanlal Lahoti, Avinash Dhok, Abhijeet Taori, Nilufer Pajnigara
Schizencephaly, i.e., split brain, is a rare, congenital cerebral malformation. Magnetic resonance imaging is the best neuroimaging modality for its diagnosis. In literature, only few cases have been reported causing symptoms in adults. Symptomatic patients present as hemiparesis, developmental deficits to seizures. This condition is usually found at birth and presents during early years. Appropriate diagnosis of the disease is necessary to avoid incorrect treatment. Here, we present a rare case of left, unilateral, open lip schizencephaly in an adult patient presenting with partial seizures but with an asymptomatic childhood...
April 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29298944/neuronal-migration-disorders
#5
Benjamin Roberts
Enhanced understanding of brain development has led to increased awareness of the links between disorders of neuronal migration and seizure disorders. A significant number of patients with intractable epilepsy have cortical malformations that originated during neuronal migration. Magnetic resonance imaging plays a primary role in the diagnosis and classification of neuronal migration disorders. These disorders include polymicrogyria, schizencephaly, lissencephaly, heterotopia, and focal cortical dysplasia. Imaging protocols continue to evolve to provide critical assessment of anatomic and physiologic traits of these disorders to better treat and prevent seizures...
January 2018: Radiologic Technology
https://www.readbyqxmd.com/read/29282339/-col4a1-and-fetal-vascular-origins-of-schizencephaly
#6
Roha Khalid, Pradeep Krishnan, Kathleen Andres, Susan Blaser, Steven Miller, Mahendranath Moharir, Nomazulu Dlamini
No abstract text is available yet for this article.
January 30, 2018: Neurology
https://www.readbyqxmd.com/read/29059488/stereoelectroencephalography-and-surgical-outcome-in-polymicrogyria-related-epilepsy-a-multicentric-study
#7
MULTICENTER STUDY
Louis Georges Maillard, Laura Tassi, Fabrice Bartolomei, Hélène Catenoix, François Dubeau, William Szurhaj, Philippe Kahane, Anca Nica, Petr Marusic, Ioana Mindruta, Francine Chassoux, Georgia Ramantani
OBJECTIVE: We aimed to (1) assess the concordance between various polymicrogyria (PMG) types and the associated epileptogenic zone (EZ), as defined by stereoelectroencephalography (SEEG), and (2) determine the postsurgical seizure outcome in PMG-related drug-resistant epilepsy. METHODS: We retrospectively analyzed 58 cases: 49 had SEEG and 39 corticectomy or hemispherotomy. RESULTS: Mean age at SEEG or surgery was 28.3 years (range, 2-50)...
November 2017: Annals of Neurology
https://www.readbyqxmd.com/read/29042871/application-of-array-comparative-genomic-hybridization-in-korean-children-under-6-years-old-with-global-developmental-delay
#8
Kyung Yeon Lee, Eunsim Shin
PURPOSE: Recent advancements in molecular techniques have greatly contributed to the discovery of genetic causes of unexplained developmental delay. Here, we describe the results of array comparative genomic hybridization (CGH) and the clinical features of 27 patients with global developmental delay. METHODS: We included 27 children who fulfilled the following criteria: Korean children under 6 years with global developmental delay; children who had at least one or more physical or neurological problem other than global developmental delay; and patients in whom both array CGH and G-banded karyotyping tests were performed...
September 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28828134/prenatal-and-postnatal-evaluation-of-polymicrogyria-with-band-heterotopia
#9
Usha D Nagaraj, Robert Hopkin, Mark Schapiro, Beth Kline-Fath
The coexistence of band heterotopia and polymicrogyria is extremely rare though it has been reported in the presence of corpus callosum anomalies and megalencephaly. We present prenatal and postnatal MRI findings of a rare case of diffuse cortical malformation characterized by polymicrogyria and band heterotopia. Agenesis of the corpus callosum and megalencephaly were also noted. In addition, bilateral closed-lip schizencephaly was identified on postnatal MRI, which has not been previously reported with this combination of imaging findings...
September 2017: Radiology Case Reports
https://www.readbyqxmd.com/read/28482731/clinical-and-radiologic-spectrum-of-septo-optic-dysplasia-review-of-17-cases
#10
Callie Alt, Michael I Shevell, Chantal Poulin, Bernard Rosenblatt, Christine Saint-Martin, Myriam Srour
We retrospectively reviewed the clinical and radiologic characteristics of 17 individuals with septo-optic dysplasia (SOD) and attempted to identify correlations between imaging findings, clinical features, and neurodevelopmental outcome. Surprisingly, only 1 (6%) individual was classified as classic SOD (with septum pellucidum/corpus callosum dysgenesis), 3 (18%) as SOD-like (with normal septum pellucidum/corpus callosum) and the majority, 13 (76%), as SOD-plus (with cortical brain malformation). Cortical abnormalities included schizencephaly, polymicrogyria, and gray matter heterotopias...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28370739/imaging-of-laser-therapy-in-epilepsy
#11
Lidia M Nagae, Justin M Honce, Eric Nyberg, Steven Ojemann, Aviva Abosch, Cornelia N Drees
BACKGROUND AND PURPOSE: MR-guided laser interstitial thermal therapy (MRgLITT) is an increasingly popular neuroablative method for the surgical treatment of epilepsy patients. This article intends to demonstrate the utility and pitfalls of imaging in the context of patient care with MRgLITT. MATERIAL AND METHODS: A retrospective review of the medical records and imaging database with six illustrative cases selected to demonstrate the use of imaging throughout patient management with MRgLITT in diverse clinical situations and pathologies...
May 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28114705/recurrence-of-epileptic-spasms-as-reflex-seizures-induced-by-eating-a-case-report-and-literature-review
#12
REVIEW
Yoshiyuki Kobayashi, Nobutsune Ishikawa, Hiroo Tani, Yuji Fujii, Masao Kobayashi
Background Eating epilepsy (EE) is a rare form of reflex epilepsy in which seizures are induced by eating. It is known that most patients with eating seizures, in fact, suffer from symptomatic temporal lobe epilepsy (TLE), whereas only a few patients with epileptic spasms induced by eating (E-ES) have been reported. Patient Description The patient was an 8-year-old girl whose magnetic resonance imaging (MRI) of the head detected dysgenesis of the corpus callosum, cerebellar hypogenesis, marked cerebral asymmetry, broad polymicrogyria, periventricular heterotopia, and closed lip-type schizencephaly...
April 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28069984/teaching-neuroimages-homotopic-motor-distribution-on-fmri-in-closed-lip-schizencephaly
#13
Luca Bartolini, Amy Kao, Ashley Zachery, Jonathan G Murnick, William D Gaillard
No abstract text is available yet for this article.
January 10, 2017: Neurology
https://www.readbyqxmd.com/read/28017902/a-severe-pulmonary-complication-in-a-patient-with-col4a1-related-disorder-a-case-report
#14
Yoshiichi Abe, Atsuko Matsuduka, Kazuo Okanari, Hiroaki Miyahara, Mitsuhiro Kato, Satoko Miyatake, Hirotomo Saitsu, Naomichi Matsumoto, Maeda Tomoki, Kenji Ihara
Patients with COL4A1 mutation-related disorders demonstrate a variety of disease phenotypes, which caused by small-vessel dysfunction in the brain, eyes, kidney, muscle, or heart. The involvement of organs mainly depends on the expression of the COL4A1 gene. Complication or dysfunction of the alveolar tissue has not been reported in the literature on COL4A1 mutation-related disorders. We herein report the case of a boy with schizencephaly, renovascular hypertension, and retinal arteriosclerosis of unknown origin, who suffered from severe and repetitive alveolar hemorrhage at 9 years of age...
March 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/27729957/fetal-central-nervous-system-anomalies-detected-by-magnetic-resonance-imaging-a-two-year-experience
#15
Sepideh Sefidbakht, Sakineh Dehghani, Maryam Safari, Homeira Vafaei, Maryam Kasraeian
BACKGROUND: Magnetic resonance imaging (MRI) is gradually becoming more common for thorough visualization of the fetus than ultrasound (US), especially for neurological anomalies, which are the most common indications for fetal MRI and are a matter of concern for both families and society. OBJECTIVES: We investigated fetal MRIs carried out in our center for frequency of central nervous system anomalies. This is the first such report in southern Iran. MATERIALS AND METHODS: One hundred and seven (107) pregnant women with suspicious fetal anomalies in prenatal ultrasound entered a cross-sectional retrospective study from 2011 to 2013...
August 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/27727044/new-onset-seizure-associated-with-schizencephaly
#16
Joshua Greenstein, Will Panzo, Daniel Klein, Joshua Bock, Barry Hahn
No abstract text is available yet for this article.
March 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27630923/cortical-clefts-and-cortical-bumps-a-continuous-spectrum
#17
Asthik Biswas, Farha Furruqh, Suresh Thirunavukarasu, Ravichandran Vivekandan
Cortical 'clefts' (schizencephaly) and cortical 'bumps' (polymicrogyria) are malformations arising due to defects in postmigrational development of neurons. They are frequently encountered together, with schizencephalic clefts being lined by polymicrogyria. We present the case of an eight-year-old boy who presented with seizures. Imaging revealed closed lip schizencephaly, polymicrogyria and a deep 'incomplete' cleft lined by polymicrogyria not communicating with the lateral ventricle. We speculate that hypoperfusion or ischaemic cortical injury during neuronal development may lead to a spectrum of malformations ranging from polymicrogyria to incomplete cortical clefts to schizencephaly...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27606022/bilateral-giant-open-lip-schizencephaly-a-rare-case-report
#18
Shrikant V Rege, Harshad Patil
Schizencephaly is an extremely rare developmental birth defect characterized by abnormal slits or clefts in the cerebral hemispheres extending from the lateral ventricle to the cerebral cortex. The margins of the cleft are lined with heterotropic, dysplastic gray matter. The causes of schizencephaly are heterogeneous and include teratogens, prenatal infarction/infections, maternal trauma, or EMX2 mutations. This condition is present at birth and manifests early in life.
April 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27590993/telencephalic-flexure-and-malformations-of-the-lateral-cerebral-sylvian-fissure
#19
REVIEW
Harvey B Sarnat, Laura Flores-Sarnat
After sagittal division of the prosencephalon at 4.5 weeks of gestation, the early fetal cerebral hemisphere bends or rotates posteroventrally from seven weeks of gestation. The posterior pole of the telencephalon thus becomes not the occipital but the temporal lobe as the telencephalic flexure forms the operculum and finally the lateral cerebral or Sylvian fissure. The ventral part is infolded to become the insula. The frontal and temporal lips of the Sylvian fissure, as well as the insula, all derive from the ventral margin of the primitive telencephalon, hence may be influenced by genetic mutations with a ventrodorsal gradient of expression...
October 2016: Pediatric Neurology
https://www.readbyqxmd.com/read/27453818/successful-hemispherotomy-for-a-patient-with-intractable-epilepsy-secondary-to-bilateral-congenital-brain-malformation-with-lateralized-pyramidal-tract-of-diffusion-tensor-image-tractography
#20
Yuri Nagai, Ayataka Fujimoto, Tohru Okanishi, Hironao Motoi, Sotaro Kanai, Takuya Yokota, Hideo Enoki, Mitsuyo Nishimura, Takamichi Yamamoto
PURPOSE: To perform an epilepsy surgery on a patient with drug resistant epilepsy secondary to bilateral brain malformation. The patient was a 2-year 9-month-old boy who had congenital bilateral multiple abnormalities. He developed a complex partial seizure at 9 months old. Based on the presurgical evaluations, he underwent a right hemispherotomy. RESULTS: Brain MRI revealed congenital bilateral polymicrogyria, right schizencephaly, and corpus callosum agenesis...
2016: Epilepsy & Behavior Case Reports
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