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https://www.readbyqxmd.com/read/28917252/stereotactic-radiosurgery-of-the-brain-a-review-of-common-indications
#1
Philip Gilbo, Isabella Zhang, Jonathan Knisely
Over the past half-century since Lars Leksell first utilized radiation to address deep and difficult to treat lesions of the central nervous system (CNS), intracranial stereotactic radiosurgery (SRS) has become an increasingly valued tool in the hands of neurosurgeons and radiation oncologists. Following developments in medical imaging and radiation technology, radiosurgery has evolved from its first application in movement disorders to widespread use for a varied range of malignant and benign conditions. SRS remains a powerful, minimally invasive instrument that offers additional options for intervention to a diverse patient population...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28916391/zika-virus-structural-biology-and-progress-in-vaccine-development
#2
REVIEW
Hsiao-Han Lin, Bak-Sau Yip, Li-Min Huang, Suh-Chin Wu
The growing number of zika virus (ZIKV) infections plus a 20-fold increase in neonatal microcephaly in newborns in Brazil have raised alarms in many countries regarding the threat to pregnant women. Instances of microcephaly and central nervous system malformations continue to increase in ZIKV outbreak regions. ZIKV is a small enveloped positive-strand RNA virus belonging to the Flavivirus genus of the Flaviviridae family. High-resolution ZIKV structures recently identified by cryo-electron microscopy indicate that the overall ZIKV structure is similar to those of other flaviviruses...
September 12, 2017: Biotechnology Advances
https://www.readbyqxmd.com/read/28891434/histology-atlas-of-the-developing-prenatal-and-postnatal-mouse-central-nervous-system-with-emphasis-on-prenatal-days-e7-5-to-e18-5
#3
Vivian S Chen, James P Morrison, Myra F Southwell, Julie F Foley, Brad Bolon, Susan A Elmore
Evaluation of the central nervous system (CNS) in the developing mouse presents unique challenges, given the complexity of ontogenesis, marked structural reorganization over very short distances in 3 dimensions each hour, and numerous developmental events susceptible to genetic and environmental influences. Developmental defects affecting the brain and spinal cord arise frequently both in utero and perinatally as spontaneous events, following teratogen exposure, and as sequelae to induced mutations and thus are a common factor in embryonic and perinatal lethality in many mouse models...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28890056/giant-chest-wall-arteriovenous-malformation-a-case-report-and-literature-review
#4
Cullen McCarthy, Subrato Deb, Suhair Maqusi, Joshua Gierman
INTRODUCTION: We present an interesting case of a 55 year-old male with a large left chest mass after significant cutaneous bleeding. CT angiogram of the chest revealed arteriovenous malformation with blood supply from subbranches of the left subclavian artery, left internal mammary artery and left external carotid artery. Measuring 5.0x14.0x10.8cm, the mass extended superior to the clavicle and inferior to the third rib with medial and lateral borders at the level of the clavicular head and coracoid, respectively...
September 7, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28883869/ataxia-in-childhood-epidemiological-clinical-and-neuroradiologic-features-and-the-risk-of-recurrence
#5
REVIEW
Mohsen Javadzadeh, Masoud Hassanvand Amouzadeh, Shaghayegh Sadat Esmail Nejad, Ezatollah Abasi, Abbas Alipour, Mohsen Mollamohammadi
OBJECTIVE: This study was conducted on the demographic data, clinical characteristics, electroencephalography, neuroradiological findings, and their impact on the recurrence of ataxia. MATERIALS & METHODS: A 3-yr retrospective review of 49 children with ataxia in Mofid Children Hospital, Tehran, Iran was conducted from Apr 2013 to Apr 2016. The demographic, clinical and paraclinical data were recorded in pre-prepared questionnaires. The patients were also classified in two groups of with or without recurrence and the results were compared...
2017: Iranian Journal of Child Neurology
https://www.readbyqxmd.com/read/28877591/positive-correlation-between-pesticide-sales-and-central-nervous-system-and-cardiovascular-congenital-abnormalities-in-brazil
#6
Carmen I R Froes Asmus, Volney M Camara, Ronir Raggio, Philip J Landrigan, Luz Claudio
BACKGROUND: This study investigated the association between pesticide exposure in Brazil (2005-2013) with rates of central nervous system (CNS) and cardiovascular system (CVS) congenital abnormalities in 2014. METHOD: An exposure variable was established from data on production and sales of pesticides (kg) per crop area (ha) for 2012 and 2013 years. The Brazilian states were divided into three categories: high, medium, and low pesticide use and rate ratios were estimated for each group of states (CI: 95 %)...
September 6, 2017: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/28875854/cytomegalovirus-infection-the-neurodevelopmental-peptide-signatures
#7
Guglielmo Lucchese, Darja Kanduc
BACKGROUND AND OBJECTIVE: HCMV infection may cause neurodevelopmental disorders, including intellectual disability, hearing loss, cortical malformations, and calcifications. Theorizing about the still unknown molecular basis of HCMV-related diseases, this study analyzes the peptide sharing between HCMV, strains AD169 and Merlin, and human proteins, searching for shared sequences that might lead to crossreactive autoimmune injuries in the brain during immune responses following HCMV infection...
August 29, 2017: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/28862178/spectrum-of-prenatally-detected-central-nervous-system-malformations-neural-tube-defects-continue-to-be-the-leading-foetal-malformation
#8
Anjurani Siddesh, Geetika Gupta, Ram Sharan, Meenal Agarwal, Shubha R Phadke
BACKGROUND & OBJECTIVES: Prenatal diagnosis of malformations is an important method of prevention and control of congenital anomalies with poor prognosis. Central nervous system (CNS) malformations amongst these are the most common. The information about the prevalence and spectrum of prenatally detected malformations is crucial for genetic counselling and policymaking for population-based preventive programmes. The objective of this study was to study the spectrum of prenatally detected CNS malformations and their association with chromosomal abnormalities and autopsy findings...
April 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28838147/specific-biomarkers-associated-with-neurological-complications-and-congenital-central-nervous-system-abnormalities-from-zika-virus-infected-patients-in-brazil
#9
Yiu-Wing Kam, Juliana Almeida Leite, Fok-Moon Lum, Jeslin J L Tan, Bernett Lee, Carla C Judice, Daniel Augusto de Toledo Teixeira, Robert Andreata-Santos, Marco A Vinolo, Rodrigo Angerami, Mariangela Ribeiro Resende, Andre Ricardo Ribas Freitas, Eliana Amaral, Renato Passini Junior, Maria Laura Costa, José Paulo Guida, Clarice Weis Arns, Luis Carlos S Ferreira, Laurent Rénia, Jose Luiz Proença-Modena, Lisa F P Ng, Fabio T M Costa
Background: Zika virus (ZIKV) infections have been linked to different levels of clinical outcomes, ranging from mild rash and fever to severe neurological complications and congenital malformations. Methods: We investigated the clinical and immunological response, focusing on the immune mediators profile in 95 acute ZIKV-infected adult patients from Campinas, Brazil. These patients included 6 pregnant women who later delivered during the course of this study. Clinical observations were recorded during hospitalization...
July 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28835502/cd8-t-cell-immune-response-in-immunocompetent-mice-during-zika-virus-infection
#10
Huarong Huang, Shihua Li, Yongli Zhang, Xiaojuan Han, Baoqian Jia, Hongtao Liu, Dandan Liu, Shuguang Tan, Qihui Wang, Yuhai Bi, William J Liu, Baidong Hou, George Fu Gao, Fuping Zhang
Zika virus (ZIKV) infection cause neurologic complications, including Guillain-Barré syndrome (GBS) in adults and central nerve system (CNS) abnormalities in fetuses. We investigated the immune response, especially CD8(+) T cell response in C57BL/6 (B6) wild type (WT) mouse during ZIKV infection. We found that robust CD8(+) T cell response was elicited, MHC-I restricted CD8(+) T cell epitopes were identified and a tetramer that recognized ZIKV specific CD8(+) T cells was developed. Finally, virus specific memory CD8(+) T cells were generated in these mice...
August 23, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28833756/multinodular-and-vacuolating-neuronal-tumours-in-epilepsy-dysplasia-or-neoplasia
#11
Maria Thom, Joan Liu, Anika Bongaarts, Roy J Reinten, Beatrice Paradiso, Hans Rolf Jäger, Cheryl Reeves, Alyma Somani, Shu An, Derek Marsdon, Andrew McEvoy, Anna Miserocchi, Lewis Thorne, Fay Newman, Sorin Bucur, Mrinalini Honavar, Tom Jacques, Eleonora Aronica
Multinodular and vacuolating neuronal tumour (MVNT) is a new pattern of neuronal tumour included in the recently revised WHO 2016 classification of tumours of the CNS. There are fifteen reports in the literature to date. They are typically associated with late onset epilepsy and a neoplastic versus malformative biology has been questioned. We present a series of ten cases and compare their pathological and genetic features to better characterised epilepsy associated malformations including focal cortical dysplasia type II (FCDII) and low-grade epilepsy associated tumours (LEAT)...
August 19, 2017: Brain Pathology
https://www.readbyqxmd.com/read/28821323/post-mortem-magnetic-resonance-pmmr-imaging-of-the-brain-in-fetuses-and-children-with-histopathological-correlation
#12
REVIEW
S C Shelmerdine, J C Hutchinson, N J Sebire, T S Jacques, O J Arthurs
Post-mortem magnetic resonance (PMMR) imaging is rapidly emerging as an alternative, "less invasive", and more widely accepted investigative approach for perinatal deaths in the UK. PMMR has a high diagnostic accuracy for congenital and acquired fetal neuropathological anomalies compared to conventional autopsy, and is particularly useful when autopsy is non-diagnostic. The main objectives of this review are to describe and illustrate the range of common normal and abnormal central nervous system (CNS) findings encountered during PMMR investigation...
August 15, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28776215/-cavernomas-of-the-central-nervous-system-observational-study-of-111-patients
#13
C Mayer, U M Mauer, G Bluhm, R Mathieu, C Hackenbroch, S Mayer
PURPOSE: The prevalence of cavernomas (cavernous hemangioma) is 0.1-0.7%. Cavernomas are often found as an incidental finding within the framework of magnetic resonance imaging (MRI) examinations in mainly young and healthy patients. In the literature, the reported risk of hemorrhage varies greatly and is sometimes higher than that of aneurysms, which is surprising given that cavernomas are part of the low blood pressure system. After the diagnosis the medical practitioner and the patient have to decide on the further therapy, either surgical removal or the strategy of watchful waiting (conservative treatment)...
August 3, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28765025/congenital-malformations-of-the-central-nervous-system-in-rural-western-honduras-a-6-year-report-on-trends
#14
Dagoberto Estevez-Ordonez, Michael C Dewan, Michael J Feldman, Eleazar E Montalvan-Sanchez, Daniela M Montalvan-Sanchez, Aida A Rodriguez-Murillo, Samuel A Urrutia-Argueta, Charlotte B Cherry, Douglas R Morgan, Roberto Alvarez-Rodriguez, Christopher M Bonfield
BACKGROUND: Central nervous system (CNS) malformations including neural tube defects (NTDs) are the second most common type of birth defects world-wide, and are major causes of childhood disability and mortality. We report the first analysis of prevalence in Western Honduras of CNS malformations including NTDs over six consecutive years. METHODS: Data from all patients with congenital CNS malformations and total live births between 2010 and 2015 were obtained through institution and regional registries from all three public referral hospitals in Western Honduras, representing 67 municipalities...
July 29, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28736615/pulmonary-arteriovenous-malformations-complicated-by-splenic-infarction-and-abscess
#15
Jun Naito, Hajime Kasai, Masaki Suga, Toshihiko Sugiura, Nobuhiro Tanabe, Koichiro Tatsumi
Pulmonary arteriovenous malformation (PAVM) is an abnormal blood vessel connecting a pulmonary artery and a vein, and is accompanied by paradoxical embolism to other organs due to a right-to-left shunt. We report the case of a 66-year-old woman with PAVM complicated by splenic infarction and abscess. Although the PAVM had been detected on a chest image 2 years previously, and she had been advised to have further investigations, she decided not to follow this further at the time. She then visited our hospital complaining of worsening dyspnoea on exertion...
September 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28736116/central-nervous-system-anomalies-in-craniofacial-microsomia-a-systematic-review
#16
REVIEW
R W Renkema, C J J M Caron, E B Wolvius, D J Dunaway, C R Forrest, B L Padwa, M J Koudstaal
Extracraniofacial anomalies, including central nervous system (CNS) anomalies, may occur in craniofacial microsomia (CFM). This systematic review was performed to provide an overview of the literature on the prevalence and types of CNS anomalies and developmental disorders in CFM, in order to improve the recognition and possible treatment of these anomalies. A systematic search was conducted and data on the number of patients, patient characteristics, type and prevalence of CNS anomalies or developmental delay, and correlations between CFM and CNS anomalies were extracted...
July 20, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28734813/incidence-and-types-of-pediatric-nystagmus
#17
David L Nash, Nancy N Diehl, Brian G Mohney
PURPOSE: To report the incidence, prevalent subtypes and clinical characteristics of pediatric nystagmus diagnosed over a 30-year period. DESIGN: Retrospective, population-based study METHODS: Using the Rochester Epidemiology Project, the medical records of all children (<19 years) diagnosed as residents in Olmsted County, Minnesota with any form of nystagmus from January 1, 1976, through December 31, 2005, were reviewed. RESULTS: Seventy-one children were diagnosed during the 30-year period, yielding an annual incidence of 6...
July 19, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28694214/visualization-of-migration-of-human-cortical-neurons-generated-from-induced-pluripotent-stem-cells
#18
Yohei Bamba, Yonehiro Kanemura, Hideyuki Okano, Mami Yamasaki
BACKGROUND: Neuronal migration is considered a key process in human brain development. However, direct observation of migrating human cortical neurons in the fetal brain is accompanied by ethical concerns and is a major obstacle in investigating human cortical neuronal migration. NEW METHOD: We established a novel system that enables direct visualization of migrating cortical neurons generated from human induced pluripotent stem cells (hiPSCs). RESULTS: We observed the migration of cortical neurons generated from hiPSCs derived from a control and from a patient with lissencephaly...
September 1, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28678053/raised-frequency-of-central-nervous-system-malformations-related-to-zika-virus-infection-in-two-birth-defects-surveillance-systems-in-bogot%C3%A3-and-cali-colombia
#19
Paula Hurtado-Villa, Angie K Puerto, Salomé Victoria, Gloria Gracia, Lesly Guasmayán, Patricia Arce, Gilberto Álvarez, Esperanza Blandón, Nubia Rengifo, Jorge A Holguín, Alexander Durán, Ignacio Zarante
Zika virus infection during pregnancy is now known to cause congenital microcephaly and severe brain defects. Colombia has been experiencing an epidemic wave of Zika infection, starting approximately in October 2015. Here we document the trends of microcephaly and severe CNS malformations in two major cities in Colombia from 2012 through 2016, tracking the epidemiologic curve from before through the major Zika epidemic so far. METHODS: The study included neural tube defects (anencephaly, spina bifida, encephalocele), holoprosencephaly, and hydrocephaly...
July 1, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28668954/lipoencephalocele-in-a-child-an-uncommon-swelling-in-the-occipital-region
#20
Ajay Kumar Verma, Anand Pandey, Digamber Chaubey, Kanoujia Sunil, Archika Gupta, Shiv Narain Kureel
Neural tube defects are common congenital malformations of the central nervous system. The 3 most common neural tube defects are anencephaly, myelomeningocele, and encephalocele. Lipoencephalocele is an extremely uncommon entity with sporadic reports in the literature. We treated a 4-year-old gild with occipital lipoencephalocele. This report presents the clinical presentation and management of the patient along with a review of the relevant literature.
2017: Pediatric Neurosurgery
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