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Neuro-oncology

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https://www.readbyqxmd.com/read/28801927/mediating-burden-and-stress-over-time-caregivers-of-patients-with-primary-brain-tumor
#1
Maija Reblin, Brent Small, Heather Jim, Jason Weimer, Paula Sherwood
There is a growing literature on the effects of cancer caregiving on the well-being of informal family caregivers. However, there has been little longitudinal research on caregivers of patients with the complex, rapidly-changing disease of primary malignant brain tumor (PBT). OBJECTIVE: Our objective was to model longitudinal relationships between caregiver burden, social support, and distress within caregivers of patients with PBT. METHODS: Caregiver participants were recruited from a neuro-oncology clinic...
August 11, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28801108/breaching-barriers-in-glioblastoma-part-ii-targeted-drug-delivery-and-lipid-nanoparticles
#2
REVIEW
Ana Miranda, María Blanco-Prieto, João Sousa, Alberto Pais, Carla Vitorino
Tailored nanocarriers have gained huge research focus for brain drug delivery, aimed at combating several neuro-oncological conditions, such as the glioblastoma multiforme (GBM). The progress of knowledge on the pathogenesis of GBM has allowed identifying the major hurdles for efficient treatment, encompassing biological interfaces (blood-brain barrier and blood-brain tumour barrier), specificities of tumour microenvironment, as well as both bulk and glioma stem cell subpopulations. These findings provided new insights into the molecular basis of GBM, being a strong driving force behind development of targeted nanomedicines in this area...
August 8, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28791345/nova1-mediates-resistance-of-rat-pheochromocytoma-cells-to-hypoxia-induced-apoptosis-via-the-bax-bcl-2-caspase-3-pathway
#3
Hualing Li, Bei Lv, Ling Kong, Jing Xia, Ming Zhu, Lijuan Hu, Danyang Zhen, Yifan Wu, Xiaoqin Jia, Sujuan Zhu, Hengmi Cui
Neuro-oncological ventral antigen 1 (Nova1) is a well known brain-specific splicing factor. Several studies have identified Nova1 as a regulatory protein at the top of a hierarchical network. However, the function of Nova1 during hypoxia remains poorly understood. This study aimed to investigate the protective effect of Nova1 against cell hypoxia and to further explore the Bax/Bcl-2/caspase-3 pathway as a potential mechanism. During hypoxia, the survival rate of pheochromocytoma PC12 cells was gradually decreased and the apoptosis rate was gradually increased, peaking at 48 h of hypoxia...
August 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28776599/neuro-oncology-a-new-approach-to-ependymoma-subtyping
#4
Heather Wood
No abstract text is available yet for this article.
August 4, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28774835/current-and-emerging-biomarkers-in-tumors-of-the-central-nervous-system-possible-diagnostic-prognostic-and-therapeutic-applications
#5
REVIEW
Ishaq N Khan, Najeeb Ullah, Deema Hussein, Kulvinder S Saini
Recent investments in research associated with the discovery of specific tumor biomarkers important for efficient diagnosis and prognosis of the patients are beginning to bear fruit. Key biomarkers could potentially outweigh traditional radiological or pathological methods by enabling specificity of early detection, when coupled with tumor molecular profiling and clinical associations. Only few biomarkers are approved by regulatory authorities for Central Nervous System Tumors (CNSTs), despite the evaluation of a large number of CNST related markers during clinical trials...
July 31, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28746860/integrating-rna-sequencing-into-neuro-oncology-practice
#6
REVIEW
David S Rogawski, Nicholas A Vitanza, Angela C Gauthier, Vijay Ramaswamy, Carl Koschmann
Malignant tumors of the central nervous system (CNS) cause substantial morbidity and mortality, yet efforts to optimize chemo- and radiotherapy have largely failed to improve dismal prognoses. Over the past decade, RNA sequencing (RNA-seq) has emerged as a powerful tool to comprehensively characterize the transcriptome of CNS tumor cells in one high-throughput step, leading to improved understanding of CNS tumor biology and suggesting new routes for targeted therapies. RNA-seq has been instrumental in improving the diagnostic classification of brain tumors, characterizing oncogenic fusion genes, and shedding light on intratumor heterogeneity...
July 8, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28744879/procarbazine-lomustine-and-vincristine-for-recurrent-high-grade-glioma
#7
REVIEW
Saurabh Parasramka, Goutham Talari, Myrna Rosenfeld, Jing Guo, John L Villano
BACKGROUND: Recurrent high-grade glioma (HGG) carries an extremely poor prognosis. There is no current standard of care or guideline-based recommendations. Nitrosourea-based multidrug chemotherapy or PCV - procarbazine, lomustine (CCNU) and vincristine - is one of the treatment options at recurrence. There has been no meta-analysis which looks at the benefits and harms of PCV chemotherapy in adults with recurrent HGG. OBJECTIVES: To assess the effectiveness and safety of procarbazine, lomustine, and vincristine (PCV) chemotherapy with other interventions in adults with recurrent high-grade glioma...
July 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28720310/epithelial-membrane-protein-2-molecular-interactions-and-clinical-implications
#8
REVIEW
Lawrance K Chung, Nikhilesh S Bhatt, Carlito Lagman, Panayiotis E Pelargos, Yu Qin, Lynn K Gordon, Madhuri Wadehra, Isaac Yang
Epithelial membrane protein 2 (EMP2) is a cell surface protein that has recently emerged as an object of neuro-oncological interest due to its potential to be utilized as a biomarker and target for antibody therapies. Preclinical studies have demonstrated that EMP2 is associated with disease prognosis in a number of human cancers, including glioblastoma. The four large extracellular domains of EMP2 and its association with the extracellular matrix makes it an attractive target for future cancer therapies. Translational research suggests that EMP2 may be targeted with antibodies to improve tumor control and survival in a variety of murine models and cancer types...
July 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28718307/late-post-treatment-radiographic-changes-3-years-following-chemoradiation-for-glioma-the-importance-of-histopathology
#9
Joao R Galante, Fausto Rodriguez, Stuart A Grossman, Roy E Strowd
Treatment-related changes can mimic brain tumor progression both clinically and radiographically. Distinguishing these two entities represents a major challenge in neuro-oncology. No single imaging modality is capable of reliably achieving such distinction. While histopathology remains the gold standard, definitive pathological criteria are also lacking which can further complicate such cases. We report a patient with high-grade glioma who, after initially presenting with histopathologically confirmed pseudoprogression 10 months following treatment, re-presented 3 years following concurrent chemoradiation with clinical and radiographic changes that were most consistent with progressive disease but for which histopathology revealed treatment effects without active glioma...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28718305/outcome-evaluation-of-patients-with-newly-diagnosed-anaplastic-gliomas-treated-in-a-single-institution
#10
Federico Pessina, Pierina Navarria, Luca Cozzi, Stefano Tomatis, Elena Clerici, Anna Maria Ascolese, Matteo Simonelli, Matteo Perrino, Marco Riva, Marco Rossi, Roberta Rudà, Armando Santoro, Lorenzo Bello, Marta Scorsetti
AIM: To evaluate the outcome of newly diagnosed anaplastic glioma patients treated in our institution in relation to the 2016 WHO classification suggestions. METHODS: This retrospective study included patients who underwent surgery plus adjuvant chemotherapy alone or concomitant and adjuvant chemoradiotherapy. Response was recorded using the Response Assessment in Neuro-Oncology criteria. RESULTS: 123 patients were analyzed. The median progression-free survival time and the 2, 3 and 5 years progression-free survival rate were 27 months, 65...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28718304/the-role-of-surgery-in-low-grade-gliomas-do-timing-and-extent-of-resection-matter
#11
Hugues Duffau
Hugues Duffau is a Professor and Chairman of the Neurosurgery Department in the Montpellier University Medical Center and Head of the INSERM 1051 Team "plasticity of the central nervous system, human stem cells and glial tumors" at the Institute for Neurosciences of Montpellier (France). He is an expert in the awake cognitive neurosurgery of slow-growing brain tumors, such as low-grade gliomas, a routine which he has developed since 20 years. His fundamental approach is centered on the concepts of the brain connectomics and neuroplasticity, breaking with the traditional localizationist view of cerebral processing...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28717766/practice-and-impact-of-multidisciplinary-tumor-boards-on-patient-management-a-prospective-study
#12
Raghid N Charara, Firas Y Kreidieh, Rania A Farhat, Karine A Al-Feghali, Katia E Khoury, Ali Haydar, Lara Nassar, Ghina Berjawi, Ali Shamseddine, Nagi S El Saghir
PURPOSE: Multidisciplinary tumor boards (MTBs) have become commonplace. The use, attendance, and function of MTBs need continued assessment and improvement. METHODS: We prospectively recorded and assessed all cases presented at MTBs between October 2013 and December 2014. Data were collected before and during each MTB. Data were analyzed using SPSS for Windows version 23 (SPSS, Chicago, IL). RESULTS: Five hundred three cases were presented: 234 cases (46%) at GI cancer MTBs, 149 cases (29...
June 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28717752/challenges-of-treating-childhood-medulloblastoma-in-a-country-with-limited-resources-20-years-of-experience-at-a-single-tertiary-center-in-malaysia
#13
Revathi Rajagopal, Sayyidatul Abd-Ghafar, Dharmendra Ganesan, Anita Zarina Bustam Mainudin, Kum Thong Wong, Norlisah Ramli, Vida Jawin, Su Han Lum, Tsiao Yi Yap, Eric Bouffet, Ibrahim Qaddoumi, Shekhar Krishnan, Hany Ariffin, Wan Ariffin Abdullah
PURPOSE: Pediatric medulloblastoma (MB) treatment has evolved over the past few decades; however, treating children in countries with limited resources remains challenging. Until now, the literature regarding childhood MB in Malaysia has been nonexistent. Our objectives were to review the demographics and outcome of pediatric MB treated at the University Malaya Medical Center between January 1994 and December 2013 and describe the challenges encountered. METHODS: Fifty-one patients with childhood MB were seen at University Malaya Medical Center...
April 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28710324/brain-white-matter-fibre-tracts-a-review-of-functional-neuro-oncological-relevance
#14
REVIEW
Natalie L Voets, Andreas Bartsch, Puneet Plaha
State-of-the-art glioma treatment aims to maximise neuro-oncological benefit while minimising losses in quality of life. Optimising this balance remains hindered by our still limited understanding of information processing in the human brain. To help understand individual differences in functional outcomes following neuro-oncological treatment, we review mounting evidence demonstrating the fundamental role that white matter connections play in complex human behaviour. We focus on selected fibre tracts whose destruction is recognised to elicit predictable behavioural deficits and consider specific indications for non-invasive diffusion MRI tractography, the only existing method to map these fibre tracts in vivo, in the selection and planning of neuro-oncological treatments...
July 14, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28700967/eosinophilic-granuloma-at-the-cerebellopontine-angle-in-an-adult-a-rare-case-report-and-literature-review
#15
Arash Safarian, Nima Derakhshan, Mousa Taghipour, Amirreza Dehghanian
INTRODUCTION: Langerhans cell histiocytosis (LCH) is a rare immunologic disorder, identified by immature proliferation of histiocytes which may present as systemic or focal lesions. Eosinophilic granuloma (EG) is localized from of LCH mainly involving bones such as skull, femur, spine, ribs, mandible and pelvis. Cerebello-pontine (CP) angle is a rare anatomic location for involvement by EG. PRESENTATION OF CASE: A 32 year old man was being evaluated in our neuro-oncology clinic due to diplopia since 4 months ago...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28699105/tapentadol-in-neuropathic-pain-cancer-patients-a-prospective-open-label-study
#16
Edvina Galiè, Veronica Villani, Irene Terrenato, Andrea Pace
Many chemotherapy treatments induce peripheral neuropathy (CIPN). These patients often experience neuropathic pain (NP) that reduces the quality of life. The aim of this prospective, open label study was to evaluate the efficacy and tolerability of tapentadol (TP) in patients affected by CIPN. CIPN were consecutively enrolled in a prospective open label study at the Neuro-Oncology Unit of the Regina Elena National Cancer Institute in Rome. During the titration phase, each patient initially received doses of TP 50 mg twice a day...
July 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28693286/bevacizumab-as-a-last-line-treatment-for-glioblastoma-following-failure-of-radiotherapy-temozolomide-and-lomustine
#17
Katharina J Wenger, Marlies Wagner, Se-Jong You, Kea Franz, Patrick N Harter, Michael C Burger, Martin Voss, Michael W Ronellenfitsch, Emmanouil Fokas, Joachim P Steinbach, Oliver Bähr
In previous trials, bevacizumab failed to prolong the overall survival time in newly diagnosed glioblastoma and at the first recurrence. Randomized clinical trials at the second or further recurrence following the failure of radiotherapy, temozolomide and lomustine, and retrospective analyses focusing on this specific cohort, are not yet available. A total of 62 patients with glioblastoma who received bevacizumab after the failure of standard care, including radiotherapy, temozolomide and lomustine, were retrospectively identified...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28681208/surgical-considerations-in-the-optimal-management-of-patients-with-malignant-brain-tumors
#18
REVIEW
Jaclyn J Renfrow, Roy E Strowd, Adrian W Laxton, Stephen B Tatter, Carol P Geer, Glenn J Lesser
Advances in technology are revolutionizing medicine and the limits of what we can offer to our patients. In neurosurgery, technology continues to reduce morbidity, increase surgical accuracy, facilitate tissue acquisition, and promote novel techniques for prolonging survival in patients with neuro-oncologic disease. Surgery has been the backbone of glioma diagnosis and treatment by providing adequate, high quality material for precise histologic diagnosis, and genomic characterization in the setting of significant intratumoral heterogeneity, thus allowing personalized treatment selection in the clinic...
August 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28669014/temporal-evolution-of-perfusion-parameters-in-brain-metastases-treated-with-stereotactic-radiosurgery-comparison-of-intravoxel-incoherent-motion-and-dynamic-contrast-enhanced-mri
#19
Anish Kapadia, Hatef Mehrabian, John Conklin, Sean P Symons, Pejman J Maralani, Greg J Stanisz, Arjun Sahgal, Hany Soliman, Chinthaka C Heyn
Intravoxel incoherent motion (IVIM) is a magnetic resonance imaging (MRI) technique that is seeing increasing use in neuro-oncology and offers an alternative to contrast-enhanced perfusion techniques for evaluation of tumor blood volume after stereotactic radiosurgery (SRS). To date, IVIM has not been validated against contrast enhanced techniques for brain metastases after SRS. In the present study, we measure blood volume for 20 brain metastases (15 patients) at baseline, 1 week and 1 month after SRS using IVIM and dynamic contrast enhanced (DCE)-MRI...
July 1, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28669013/narrative-medicine-perspectives-on-patient-identity-and-integrative-care-in-neuro-oncology
#20
Robert B Slocum, Tracy A Howard, John L Villano
Narrative Medicine sessions can encourage patients to rediscover personal identity and meaning by telling or writing their stories. We explored this process to improve care and quality of life for brain cancer patients in an academic neuro-oncology program. Brain cancer and its treatments may threaten a patient's quality of life and sense of self in many ways, including impaired cognitive skills, loss of memory, reduced coordination, and limited capacity for self-expression. The impact of symptoms and side effects on quality of life must be evaluated in terms of each patient's identity and may be understood in terms of each patient's story...
July 1, 2017: Journal of Neuro-oncology
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