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Neuro-oncology

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https://www.readbyqxmd.com/read/28616821/re-irradiation-after-gross-total-resection-of-recurrent-glioblastoma-spatial-pattern-of-recurrence-and-a-review-of-the-literature-as-a-basis-for-target-volume-definition
#1
Christoph Straube, Greeshma Elpula, Jens Gempt, Julia Gerhardt, Stefanie Bette, Claus Zimmer, Friederike Schmidt-Graf, Bernhard Meyer, Stephanie E Combs
BACKGROUND: Currently, patients with gross total resection (GTR) of recurrent glioblastoma (rGBM) undergo adjuvant chemotherapy or are followed up until progression. Re-irradiation, as one of the most effective treatments in macroscopic rGBM, is withheld in this situation, as uncertainties about the pattern of re-recurrence, the target volume, and also the efficacy of early re-irradiation after GTR exist. METHODS: Imaging and clinical data from 26 consecutive patients with GTR of rGBM were analyzed...
June 14, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28608763/identifying-clinical-risk-in-low-grade-gliomas-and-appropriate-treatment-strategies-with-special-emphasis-on-the-role-of-surgery
#2
Sébastien Boissonneau, Hugues Duffau
Diffuse low-grade glioma (DLGG) is a chronic tumoral disease that ineluctably grows, migrates along white matter pathways, and progresses to a higher grade of malignancy. Areas covered: To determine the best individualized treatment attitude for each DLGG patient, and to redefine it over the years, i.e. to optimize the "onco-functional balance" of serial and multimodal therapies, the understanding of the natural history of this chronic disease is crucial but not sufficient. A paradigmatic shift is to tailor the individual management according to the dynamic relationships between DLGG course and neural remodeling...
June 13, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28603776/actionable-molecular-biomarkers-in-primary-brain-tumors
#3
Verena Staedtke, Omar Dildar A Dzaye, Matthias Holdhoff
Recent genome-wide studies of malignancies of the central nervous system (CNS) have revolutionized our understanding of the biology of these tumors. This newly gained knowledge provides a wealth of opportunity for biomarker driven clinical research. To date, however, only few of the available molecular markers truly influence clinical decision-making and treatment. The most widely validated markers in neuro-oncology presently are: 1) MGMT promoter methylation as a prognostic and predictive marker in glioblastoma, 2) co-deletion of 1p and 19q differentiating oligodendrogliomas from astrocytomas, 3) IDH1/2 mutations, and 4) select pathway-associated mutations...
July 2016: Trends in Cancer
https://www.readbyqxmd.com/read/28599984/prevention-and-management-of-postoperative-seizures-in-neuro-oncology
#4
F Chassoux, E Landre
INTRODUCTION: Epilepsy related to brain tumors is often difficult to treat and may impact the quality of life. We performed a review of current recommendations for the prevention of postoperative seizures and optimizing the anti-epileptic treatment. MATERIAL AND METHODS: Based on studies performed since 2000 we conducted the review by (1) analyzing the incidence of tumoral epilepsy and mechanisms of epileptogenicity; (2) describing the current medical and surgical strategy according to oncologic treatments; (3) discussing the management of postoperative seizures; (4) considering the drug withdrawal after oncologic therapy...
June 6, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28593859/european-association-for-neuro-oncology-eano-guidelines-for-palliative-care-in-adults-with-glioma
#5
REVIEW
Andrea Pace, Linda Dirven, Johan A F Koekkoek, Heidrun Golla, Jane Fleming, Roberta Rudà, Christine Marosi, E Le Rhun, Robin Grant, Kathy Oliver, Ingela Oberg, Helen J Bulbeck, Alasdair G Rooney, Roger Henriksson, H Roeline W Pasman, Stefan Oberndorfer, Michael Weller, Martin J B Taphoorn
Patients with glioma present with complex palliative care needs throughout their disease trajectory. The life-limiting nature of gliomas and the presence of specific symptoms related to neurological deterioration necessitate an appropriate and early palliative care approach. The multidisciplinary palliative care task force of the European Association of Neuro-Oncology did a systematic review of the available scientific literature to formulate the best possible evidence-based recommendations for the palliative care of adult patients with glioma, with the aim to reduce symptom burden and improve the quality of life of patients and their caregivers, particularly in the end-of-life phase...
June 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28588365/prevalence-and-trends-in-the-neuropsychological-burden-of-patients-having-intracranial-tumors-with-respect-to-neurosurgical-intervention
#6
Manju Dhandapani, Sandhya Gupta, Manju Mohanty, Sunil Kumar Gupta, Sivashanmugam Dhandapani
BACKGROUND: The burden of neuropsychological symptoms evidenced by behavioral changes among patients with intracranial tumors has not been studied in detail. PURPOSE: This study was conducted to prospectively assess the neuropsychological symptoms in patients with intracranial tumors undergoing treatment. METHODS: A longitudinal study was conducted using purposive sampling to assess the neuropsychological symptoms in conscious and consenting patients with intracranial tumors who were availing treatment from a tertiary care center...
May 2017: Annals of Neurosciences
https://www.readbyqxmd.com/read/28561706/practice-changing-abstracts-from-the-2016-society-for-neuro-oncology-annual-scientific-meeting
#7
Marta Penas-Prado
The most relevant practice-changing presentations at the 2016 Society for Neuro-Oncology (SNO) Annual Scientific Meeting revolved around the topic of the new 2016 World Health Organization (WHO) classification of central nervous system (CNS) tumors. The most notable change in this new classification is the introduction of molecular markers into the morphologic classification of diffuse gliomas (isocitrate dehydrogenase [IDH] mutation, 1p19q codeletion, and H3K27M mutation), ependymomas (RELA fusion), medulloblastomas (WNT- and sonic hedgehog-activated), and other embryonal tumors (C19MC amplification), thus allowing for more precise diagnosis of these entities compared with the use of morphologic features alone...
2017: American Society of Clinical Oncology Educational Book
https://www.readbyqxmd.com/read/28561665/new-classification-for-central-nervous-system-tumors-implications-for-diagnosis-and-therapy
#8
Christine E Fuller, David T W Jones, Mark W Kieran
The 2016 World Health Organization Classification of Tumors of the Central Nervous System (WHO 2016) represents a noteworthy divergence from prior classification schemas. This new classification introduced the concept of "integrated diagnoses" based on a marriage of both phenotypic (microscopic) and genotypic parameters, with the intended goals of improving diagnostic accuracy and patient management. The result is a major restructuring in many of the brain tumor categories, with the codification of multiple new tumor entities and subgroups...
2017: American Society of Clinical Oncology Educational Book
https://www.readbyqxmd.com/read/28555425/ethical-considerations-of-neuro-oncology-trial-design-in-the-era-of-precision-medicine
#9
REVIEW
Saksham Gupta, Timothy R Smith, Marike L Broekman
The field of oncology is currently undergoing a paradigm shift. Advances in the understanding of tumor biology and in tumor sequencing technology have contributed to the shift towards precision medicine, the therapeutic framework of targeting the individual oncogenic changes each tumor harbors. The success of precision medicine therapies, such as targeted kinase inhibitors and immunotherapies, in other cancers have motivated studies in brain cancers. The high specificity and cost of these therapies also encourage a shift in clinical trial design away from randomized control trials towards smaller, more exclusive early phase clinical trials...
May 29, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28552264/imaging-of-amino-acid-transport-in-brain-tumours-positron-emission-tomography-with-o-2-18-f-fluoroethyl-l-tyrosine-fet
#10
REVIEW
Karl-Josef Langen, Gabriele Stoffels, Christian Filß, Alexander Heinzel, Carina Stegmayr, Philipp Lohmann, Antje Willuweit, Bernd Neumaier, Felix M Mottaghy, Norbert Galldiks
The assessment of cerebral gliomas using magnetic resonance imaging (MRI) provides excellent structural images but cannot solve all diagnostic problems satisfactorily. The differentiation of tumour tissue from non-neoplastic changes may be difficult especially in the post-treatment phase. In recent years, positron emission tomography (PET) using radiolabelled amino acids has gained considerable interest as an additional tool to improve the diagnosis of cerebral gliomas and brain metastases. A key step for this advancement was the development of the F-18 labelled amino acid O-(2-[(18)F]fluoroethyl)-L-tyrosine (FET) which has spread rapidly in the last decade and replaced carbon-11 labelled amino acid tracers such as (11)C-methyl-L-methionine (MET) in many centres in Europe...
May 24, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28550505/neuro-oncology-family-caregivers-view-on-keeping-track-of-care-issues-using-ehealth-systems-it-s-a-question-of-time
#11
Florien W Boele, Cornelia F van Uden-Kraan, Karen Hilverda, Jason Weimer, Heidi S Donovan, Jan Drappatz, Frank S Lieberman, Irma Verdonck-de Leeuw, Paula R Sherwood
Primary brain tumors (PBTs) are rare but have a great impact on both patient and family caregiver wellbeing. Supporting caregivers can help them to continue their caregiving activities to maintain the patients' best possible level of quality of life. Efforts to improve PBT caregiver wellbeing should take into account country- or culture-specific differences in care issues and supportive care needs to serve larger caregiver groups. We aimed to explore PBT caregivers' satisfaction with the current supportive care provision, as well as their thoughts on monitoring their care issues with both paper-based and digital instruments...
May 26, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28549594/-recommendations-for-the-organ-donation-from-patients-with-brain-or-medullary-primitive-tumors-on-behalf-of-the-association-of-the-neuro-oncologists-of-french-expression-anocef-and-the-club-of-neuro-oncology-of-the-french-society-of-neurosurgery
#12
Didier Frappaz, Emilie Le Rhun, Arnaud Dagain, Benoît Averland, Luc Bauchet, Alexandre Faure, Christian Guillaume, Sonia Zouaoui, François Provot, Florence Vachiery, Luc Taillandier, Khê Hoang-Xuan
Requests of organs to be transplanted increase. As a matter of urgency, it is not always easy to decide if a patient carrier of a brain tumor can be candidate in the donation. After a review of the literature, the members of the Association of the Neuro-oncologists of French Expression (ANOCEF) and the Club of Neuro-oncology of the French Society of Neurosurgery propose consensual recommendations in case of donor carrier of primitive tumor intra-cranial or intra-medullary. A contact with the neuro-oncologist/neurosurgeon will allow to discuss the indication in case of glioma of grade I/II/III, according to the grade, the current status (absence of progressive disease), the number of surgeries and of lines of treatment...
May 23, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28547592/impact-of-interim-progression-during-the-surgery-to-radiotherapy-interval-and-its-predictors-in-glioblastoma-treated-with-temozolomide-based-radiochemotherapy
#13
Chan Woo Wee, Eunji Kim, Tae Min Kim, Chul-Kee Park, Jin Wook Kim, Seung Hong Choi, Roh-Eul Yoo, Soon-Tae Lee, Il Han Kim
This study was designed to investigate the impact of interim progression of disease (PD) during the surgery-to-radiotherapy interval (SRI) and its predictors in glioblastoma based on MRIs. A total of 222 patients were planned for radiotherapy (RT) and 166 of them were evaluable for the presence of interim PD by 2 separate MRIs. The size criteria from the updated Response Assessment in Neuro-Oncology criteria was adopted to determine interim PD. 32 (19.3%) patients experienced interim PD, and their median survival (MS) was shorter than patients without PD in univariate (11...
May 25, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28537098/nanotechnology-in-neurosurgery-thinking-small-dreaming-big
#14
Aaron Tan, Rebecca Jeyaraj, Keyoumars Ashkan
Nanotechnology has the power to transform neurosurgery by facilitating intervention at the cellular and subcellular level. The unique properties of nanomaterials will not only improve the management of conditions traditionally treated through neurosurgery, but also make neurosurgical intervention possible for diseases where there are currently limited treatment options. Specifically, nanotechnology appears to be a promising tool for improving molecular imaging, seamlessly integrating diagnosis and therapy in neuro-oncology, identifying targets for selective neuromodulation, as well as promoting neuroregeneration...
May 24, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28531344/citation-classics-in-neuro-oncology-assessment-of-historical-trends-and-scientific-progress
#15
Laureen D Hachem, Alireza Mansouri, Kyle Juraschka, Shervin Taslimi, Farhad Pirouzmand, Gelareh Zadeh
Background.: Citation classics represent the highest cited works in a field and are often regarded as the most influential literature. Analyzing thematic trends in citation classics across eras enables recognition of important historical advances within a field. We present the first analysis of the citation classics in neuro-oncology. Methods.: The Web of Science database was searched using terms relevant to "neuro-oncology." Articles with >400 citations were identified and the top 100 cited articles were evaluated...
May 20, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28531331/diagnostic-challenges-in-meningioma
#16
Martha Nowosielski, Nobert Galldiks, Sarah Iglseder, Philipp Kickingereder, Andreas von Deimling, Martin Bendszus, Wolfgang Wick, Felix Sahm
Advances in molecular profiling and the application of advanced imaging techniques are currently refreshing diagnostic considerations in meningioma patients. Not only technical refinements but also sophisticated histopathological and molecular studies have the potential to overcome some of the challenges during meningioma management. Exact tumor delineation, assessment of tumor growth and pathophysiological parameters were recently addressed by "advanced" magnetic resonance imaging and positron emission tomography...
May 20, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28527007/factors-associated-with-supportive-care-needs-in-glioma-patients-in-the-neuro-oncological-outpatient-setting
#17
Mirjam Renovanz, Marlene Hechtner, Mareile Janko, Karoline Kohlmann, Jan Coburger, Minou Nadji-Ohl, Jochem König, Florian Ringel, Susanne Singer, Anne-Katrin Hickmann
Objective of this study aimed at assessing glioma patients' supportive care needs in a neurosurgical outpatient setting and identifying factors that are associated with needs for support. In three neuro-oncological outpatient departments, glioma patients were assessed for their psychosocial needs using the Supportive Care Needs Survey short-form (SCNS-SF34-G). Associations between clinical, sociodemographic, treatment related factors as well as distress (measured with the distress thermometer) and supportive care needs were explored using multivariable general linear models...
May 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28522182/hodotopy-neuroplasticity-and-diffuse-gliomas
#18
H Duffau
BACKGROUND AND PURPOSE: The historical approach in neurooncology is used to mainly investigate the tumor, with very few considerations regarding the brain itself. Nonetheless, to select the best personalized therapeutic management for each patient with a diffuse glioma, i.e. to optimize the "onco-functional balance", the brain reaction induced by glioma growth and migration should be studied. Indeed, due to strong interactions between the glioma and the brain, cerebral adaptive phenomena often occur in order to maintain neurological and cognitive functions, as well as to compensate glioma spreading...
May 15, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28516376/an-update-on-the-approach-to-the-imaging-of-brain-tumors
#19
REVIEW
Katherine M Mullen, Raymond Y Huang
PURPOSE OF REVIEW: Neuroimaging plays a critical role in diagnosis of brain tumors and in assessment of response to therapy. However, challenges remain, including accurately and reproducibly assessing response to therapy, defining endpoints for neuro-oncology trials, providing prognostic information, and differentiating progressive disease from post-therapeutic changes particularly in the setting of antiangiogenic and other novel therapies. RECENT FINDINGS: Recent advances in the imaging of brain tumors include application of advanced MRI imaging techniques to assess tumor response to therapy and analysis of imaging features correlating to molecular markers, grade, and prognosis...
July 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28512049/space-occupying-tumor-bed-cysts-as-a-complication-of-modern-treatment-for-high-grade-glioma
#20
Thomas Beez, Sven Burgula, Marcel Kamp, Marion Rapp, Hans-Jakob Steiger, Michael Sabel
INTRODUCTION: Management of high grade glioma (HGG) was changed by recent landmark trials and is nowadays more proactive. However, aggressive treatment leads to hospitalization due to side effects. Space-occupying tumor bed cysts have been described, but not systematically assessed. We sought to analyze this complication in a contemporary HGG cohort. METHODS: A retrospective review of HGG patients treated between 2007 and 2013 was performed, patients with space-occupying tumor bed cysts were identified and their hospital notes reviewed for relevant variables...
May 13, 2017: World Neurosurgery
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