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https://www.readbyqxmd.com/read/29286511/cerebral-impact-of-prenatal-irradiation-by-131i-an-experimental-model-of-clinical-neuroradioembryological-effects
#1
V V Talko, K M Loganovsky, I P Drozd, Ye V Tukalenko, T K Loganovska, S Yu Nechayev, S V Masiuk, Ye M Prokhorova
Human brain in prenatal period is a most vulnerable to ionizing radiation body structure. Unlike atomic bombings or radiological interventions in healthcare leading at most to external irradiation the intensive internal exposure may occur upon nuclear reactor accidents followed by substantial release and fallout of radioactive 131I. The latter can lead to specific neuroradioembryological effects. OBJECTIVE: To create an experimental model of prenatal cerebral radiation effects of 131I in human and to determine the experimental and clinical neuroradioembryological effects...
December 2017: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
https://www.readbyqxmd.com/read/29283100/the-efficacy-of-magnetic-resonance-imaging-for-the-diagnosis-of-superior-semicircular-canal-dehiscence
#2
Fatma Beyazal Çeliker, Abdulkadir Özgür, Metin Çeliker, Mehmet Beyazal, Arzu Turan, Suat Terzi, Mehmet Fatih İnecikli
OBJECTIVE: This study aimed to evaluate the efficacy of magnetic resonance imaging (MRI) for diagnosing superior semicircular canal dehiscence (SSCD). MATERIALS AND METHODS: The radiological records of patients who were admitted to our clinic with complaints of otologic and neuro-otologic symptoms between October 2014 and December 2015 were retrospectively reviewed. Among these patients, those who underwent both computed tomography and MRI and were reported to have SSCD in the temporal bone on at least one side were included in the study group...
December 14, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29282517/11c-met-pet-mri-for-detection-of-recurrent-glioma
#3
C Deuschl, J Kirchner, T D Poeppel, B Schaarschmidt, S Kebir, N El Hindy, J Hense, H H Quick, M Glas, K Herrmann, L Umutlu, C Moenninghoff, A Radbruch, M Forsting, M Schlamann
INTRODUCTION: Radiological assessment of brain tumors is widely based on the Radiology Assessment of Neuro-Oncology (RANO) criteria that consider non-specific T1 and T2 weighted images. Limitation of the RANO criteria is that they do not include metabolic imaging techniques that have been reported to be helpful to differentiate treatment related changes from true tumor progression. In the current study, we assessed if the combined use of MRI and PET with hybrid 11C-MET PET/MRI can improve diagnostic accuracy and diagnostic confidence of the readers to differentiate treatment related changes from true progression in recurrent glioma...
December 28, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29279639/posterior-reversible-leukoencephalopathy-syndrome-pres-in-intensive-care-unit-case-series
#4
Antara Gokhale, Atheel Kimona, Sandeep Kantor, S Prakash, Yogesh Manhas
Introduction: Posterior reversible encephalopathy syndrome (PRES) is characterized by a range of clinico neuro radiological manifestation along with hypertension due to varied etiology. Contrary to its name, a small number of patients have residual neurological deficits. Patients with severe manifestation of PRES may get admitted to the Intensive Care Unit (ICU) due to coma or status epilepticus. Small case series and large multicenter studies have been reported. Materials and Methods: We report a single center series of ten cases admitted to ICU over a 5 year period in a tertiary care centre...
November 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29260032/longitudinal-clinical-and-neuro-radiological-findings-in-a-patient-with-leukoencephalopathy-with-brain-calcifications-and-cysts-labrune-syndrome
#5
Yasushi Iwasaki, Ken-Ichiro Hoshino, Keiko Mori, Masumi Ito, Yoshinari Kawai, Maya Mimuro, Tamao Tsukie, Takeshi Ikeuchi, Mari Yoshida
Since she was 4 years old, the patient had exhibited frequent convulsive seizures, and she experienced severe headaches and depression in adulthood. At the age of 37 years, cerebral calcifications were detected, but she exhibited no cognitive or motor problems. She suffered a cerebral haemorrhage at 49 years old and experienced cognitive dysfunction, dysarthria, dysphagia, and left-hemiparesis as sequelae. After undergoing gastrostomy, she exhibited very slow cognitive deterioration associated with speech disturbance over more than 10 years...
September 2017: ENeurologicalSci
https://www.readbyqxmd.com/read/29241169/imaging-of-intracranial-gliomas
#6
Yuko Ono, Mikhail F Chernov, Yoshihiro Muragaki, Takashi Maruyama, Kayoko Abe, Hiroshi Iseki
Combined use of contemporary radiological modalities, particularly integration of structural, metabolic, and functional imaging, provides optimal multifaceted information for detailed characterization of intracranial gliomas. It allows differentiation of the tumor from non-neoplastic pathology, its non-invasive histopathological typing and grading, prediction of patient prognosis and clinical course of the disease, detailed planning of surgical resection or biopsy, critical postoperative assessment of the residual lesion, effective surveillance during follow-up with evaluation of effectiveness of the adjuvant therapy and timely identification of recurrence, and even insights into molecular signatures of the neoplasms...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29235905/the-thrombectomy-challenge-in-neuro-radiology
#7
Patrick Mitchell
No abstract text is available yet for this article.
December 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29217311/in-pursuit-of-fellowship-results-from-a-2016-survey-of-us-trainees
#8
Junjian Huang, Suhag Patel, Richard Scruggs, Dayna Levin
PURPOSE: The purpose of this study was to gauge radiology trainee perceptions regarding the fellowship selection process and survey their perceived level of preparedness and desire for a fellowship-oriented lecture. METHODS: A survey, approved by Association of Program Coordinators in Radiology (APCR) was distributed via e-mail to all APCR members for distribution to their residents. RESULTS: A total of 98.6% (n = 261) of residents plan to pursue a fellowship...
November 10, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29200114/neuroradiologic-pearls-for-neuro-oncology
#9
Joshua P Klein, Jorg Dietrich
PURPOSE OF REVIEW: This article reviews key principles in the identification of tumors of the central nervous system (CNS) using standard and advanced imaging modalities. This article highlights the pitfalls and pearls of the imaging evaluation of patients with cancer at time of diagnosis and during cancer therapy and discusses the challenges of the imaging evaluation of treatment-related toxicities. RECENT FINDINGS: Treatment of CNS tumors with surgery, chemotherapy, or radiation alters the imaging appearance of the tumor and can be associated with a variety of treatment-related toxicities...
December 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/29198614/informed-consent-for-radiation-in-interventional-radiology-procedures
#10
Rebecca Zener, Peter Johnson, Daniele Wiseman, Sachin Pandey, Amol Mujoomdar
PURPOSE: To explore the patient perception on radiation-related cancer risk from interventional radiology (IR) procedures and whether informed radiation consent is warranted. METHODS: A multiple-choice survey was prospectively administered to 68 adults undergoing a body or neuro-IR procedure with ionizing radiation exposure. Subgroup analysis with chi-square or Fisher exact test was performed based on patient past IR history (P < .05). RESULTS: A total of 81% of patients wanted to be informed if there was a radiation-related 3% increased cancer risk over 5 years...
November 29, 2017: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29151389/bevacizumab-in-recurrent-high-grade-gliomas-a-canadian-retrospective-study
#11
Mary Jane Lim Fat, Catherine Maurice, Manjula Maganti, Warren P Mason
BACKGROUND: Bevacizumab has been used in recurrent glioblastoma (rGBM) since 2010 in Canada. Given its cost, potential toxicities, and unclear efficacy, further studies are required to better define suitable candidates for therapy. METHODS: A single-center retrospective review of patients started on bevacizumab for rGBM from 2012 to 2015 was performed. Patient demographics, tumor characteristics, treatment regimen, and dates of clinical progression and death were collected...
November 20, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29114999/comparison-between-site-and-central-radiological-assessments-for-patients-with-recurrent-glioblastoma-on-a-clinical-trial
#12
Kathryn M Field, Greg Fitt, Mark A Rosenthal, John Simes, Anna K Nowak, Elizabeth H Barnes, Kate Sawkins, Christine Goh, Bradford A Moffat, Simon Salinas, Lawrence Cher, Helen Wheeler, Elizabeth J Hovey, Pramit M Phal
AIM: Assessment of magnetic resonance imaging (MRI) in glioblastoma can be challenging. For patients with recurrent glioblastoma managed on the CABARET trial, we compared disease status assessed at hospitals and subsequent blinded central expert radiological review. METHODS: MRI results and clinical status at specified time points were used for site and central assessment of disease status. Clinical status was determined by the site. Response Assessment in Neuro-Oncology (RANO) criteria were used for both assessments...
November 8, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29036345/phase-ii-study-of-cabozantinib-in-patients-with-progressive-glioblastoma-subset-analysis-of-patients-with-prior-antiangiogenic-therapy
#13
Timothy F Cloughesy, Jan Drappatz, John de Groot, Michael D Prados, David A Reardon, David Schiff, Marc Chamberlain, Tom Mikkelsen, Annick Desjardins, Jerry Ping, Jaymes Holland, Ron Weitzman, Patrick Y Wen
Background: Cabozantinib is a potent, multi-target inhibitor of hepatocyte growth factor receptor (MET) and vascular endothelial growth factor receptor-2 (VEGFR2). This open-label, phase II trial evaluated cabozantinib in patients with recurrent or progressive glioblastoma (GBM; NCT00704288). Methods: Patients were initially enrolled to a starting cabozantinib dose of 140 mg/day, but the starting dose was amended to 100 mg/day because of safety concerns. Treatment continued until disease progression or unacceptable toxicity...
October 3, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/29025771/endothelial-activation-and-blood-brain-barrier-disruption-in-neurotoxicity-after-adoptive-immunotherapy-with-cd19-car-t-cells
#14
Juliane Gust, Kevin A Hay, Laïla-Aïcha Hanafi, Daniel Li, David Myerson, Luis F Gonzalez-Cuyar, Cecilia Yeung, W Conrad Liles, Mark Wurfel, Jose A Lopez, Junmei Chen, Dominic Chung, Susanna Harju-Baker, Tahsin Özpolat, Kathleen R Fink, Stanley R Riddell, David G Maloney, Cameron J Turtle
Lymphodepletion chemotherapy followed by infusion of CD19-targeted chimeric antigen receptor-modified T (CAR-T) cells can be complicated by neurologic adverse events (AE) in patients with refractory B-cell malignancies. In 133 adults treated with CD19 CAR-T cells, we found that acute lymphoblastic leukemia, high CD19(+) cells in bone marrow, high CAR-T cell dose, cytokine release syndrome, and preexisting neurologic comorbidities were associated with increased risk of neurologic AEs. Patients with severe neurotoxicity demonstrated evidence of endothelial activation, including disseminated intravascular coagulation, capillary leak, and increased blood-brain barrier (BBB) permeability...
October 12, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28991694/dilemmas-in-the-diagnosis-and-treatment-of-intracranial-tuberculomas
#15
REVIEW
Rajeswari Ramachandran, M Muniyandi, Vijay Iyer, T Sripriya, B Priya, T G Govindarajan
Tuberculosis (TB) remains a major public health problem across the globe. A common form of extrapulmonary TB (EPTB) with high mortality and morbidity is neuro TB or tuberculosis of the nervous system. The management of brain TB remains a big challenge due to the lack of specific diagnostic tools and appropriate treatment guidelines. In this context, this manuscript discusses clinical, diagnostic and treatment dilemmas in the management of intracranial tuberculomas. Brain tuberculoma may occur at any site within the cranium, no part of the brain substance or ventricular surface being exempt...
October 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28984541/isolated-optic-nerve-gliomas-a-multicenter-historical-cohort-study
#16
Ben Shofty, Liat Ben-Sira, Anat Kesler, George Jallo, Mari L Groves, Rajiv R Iyer, Alvaro Lassaletta, Uri Tabori, Eric Bouffet, Ulrich-Wilhelm Thomale, Pablo Hernáiz Driever, Shlomi Constantini
OBJECTIVE Isolated optic nerve gliomas (IONGs) constitute a rare subgroup of optic pathway gliomas (OPGs). Due to the rarity of this condition and the difficulty in differentiating IONGs from other types of OPGs in most clinical series, little is known about these tumors. Currently, due to lack of evidence, they are managed the same as any other OPG. METHODS The authors conducted a multicenter retrospective cohort study aimed at determining the natural history of IONGs. Included were patients with clear-cut glioma of the optic nerve without posterior (chiasmatic/hypothalamic) involvement...
October 6, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28981152/low-conversion-rate-of-ocular-to-generalized-myasthenia-gravis-in-singapore
#17
Kelvin Y Teo, Sharon L Tow, Benjamin Haaland, Tushar D Gosavi, Loo Jing-Liang, L O Yew Long, Dan Milea
INTRODUCTION: Ocular myasthenia gravis (OMG) is a common condition of the neuromuscular junction that may convert to generalized myasthenia gravis (GMG). Our aim in this study was to determine the conversion rate and predictive factors for generalization in OMG, in an Asian population. METHODS: The investigation consisted of a retrospective study of OMG patients with a minimum 2 years of follow-up. RESULTS: Among 191 patients with OMG, 155 had the minimum 2-year follow-up...
October 5, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28969094/high-grade-glioma-in-very-young-children-a-rare-and-particular-patient-population
#18
REVIEW
Moatasem El-Ayadi, Marc Ansari, Dominik Sturm, Gerrit H Gielen, Monika Warmuth-Metz, Christof M Kramm, Andre O von Bueren
In the past years, pediatric high-grade gliomas (HGG) have been the focus of several research articles and reviews, given the recent discoveries on the genetic and molecular levels pointing out a clinico-biological uniqueness of the pediatric population compared to their adult counterparts with HGG. On the other hand, there are only scarce data about HGG in very young children (below 3 years of age at diagnosis) due to their relatively low incidence. However, the few available data suggest further distinction of this very rare subgroup from older children and adults at several levels including their molecular and biological characteristics, their treatment management, as well as their outcome...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28928820/management-of-supratentorial-recurrent-low-grade-glioma-a-multidisciplinary-experience-in-35-adult-patients
#19
Julien Spitaels, Daniel Devriendt, Niloufar Sadeghi, Sylvie Luce, Olivier De Witte, Serge Goldman, Christian Mélot, Florence Lefranc
The management of recurrent diffuse low-grade gliomas (LGGs) is controversial. In the present study, the multidisciplinary management of 35 patients with recurrent LGGs was retrospectively analyzed. Tumor progression or recurrence was defined by clinical, radiological and/or metabolic pejorative evolution. All patients were regularly followed up by a multidisciplinary neuro-oncological group at Hôpital Erasme. Patients with histologically confirmed supratentorial LGGs (7 astrocytoma, 22 oligodendrogliomas and 6 oligoastrocytomas) who had undergone surgery between August 2004 and November 2010 were included...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927746/-proposal-of-screening-for-diffuse-low-grade-gliomas-in-the-population-from-20-to-40years
#20
Emmanuel Mandonnet, Luc Taillandier, Hugues Duffau
Diffuse low-grade gliomas (DLGG) are cerebral tumors occurring in young adults, with an inescapable progression to higher grade of malignancy, resulting in functional impairment and death. DLGG evolve in several phases: an asymptomatic period despite a slow radiological growth; a period in which inaugural symptoms occur, usually epilepsy with possible mild cognitive disorders; then a phase with malignant transformation generating disabling neurological deficits; and ultimately the terminal stage. Early maximal surgical resection significantly increases overall survival while preserving quality of life...
October 2017: La Presse Médicale
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