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Journal of Neuro-oncology

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https://www.readbyqxmd.com/read/29354850/c11orf95-rela-fusions-and-upregulated-nf-kb-signalling-characterise-a-subset-of-aggressive-supratentorial-ependymomas-that-express-l1cam-and-nestin
#1
Prit Benny Malgulwar, Aruna Nambirajan, Pankaj Pathak, Mohammed Faruq, Madhu Rajeshwari, Manmohan Singh, Vaishali Suri, Chitra Sarkar, Mehar Chand Sharma
Ependymomas (EPN) show site specific genetic alterations and a recent DNA methylation profiling study identified nine molecular subgroups. C11orf95-RELA and YAP1 fusions characterise the RELA and YAP1 molecular subgroups, respectively, of supratentorial (ST)-EPNs. Current guidelines recommend molecular subgrouping over histological grade for accurate prognostication. Clinicopathological features of ST-EPNs in correlation with C11orf95-RELA and YAP1 fusions have been assessed in only few studies. We aimed to study these fusions in EPNs, and identify diagnostic and prognostic markers...
January 22, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29353435/letter-to-the-editor-local-alkylating-chemotherapy-applied-immediately-after-5-ala-guided-resection-of-glioblastoma-does-not-provide-additional-benefit
#2
LETTER
Alexandre Roux, Marc Zanello, Johan Pallud
No abstract text is available yet for this article.
January 20, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29353434/prediction-of-progression-in-skull-base-meningiomas-additional-benefits-of-apparent-diffusion-coefficient-value
#3
Ching-Chung Ko, Sher-Wei Lim, Tai-Yuan Chen, Jeon-Hor Chen, Chien-Feng Li, Yow-Ling Shiue
A subset of benign (WHO grade I) skull base meningiomas show early progression/recurrence (P/R) in the first years after surgical resection. Besides, complete surgical resection may be difficult to achieve safely in skull base meningiomas due to complex neurovascular structures. The one main challenge in the treatment of skull base meningiomas is to determine factors that correlate with P/R. We retrospectively investigated the preoperative CT and MR imaging features for the prediction of P/R in skull base meningiomas, with emphasis on quantitative ADC values...
January 20, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29352447/long-term-endocrine-effects-and-trends-in-body-mass-index-changes-in-patients-with-childhood-onset-brain-tumors
#4
Go Hun Seo, Jin-Ho Choi, Yoon-Myung Kim, Kyung-Nam Koh, Ho Joon Im, Young Shin Ra, Han-Wook Yoo
As survival rates have improved owing to advances in management strategies for pediatric brain tumors, long-term complications such as endocrine dysfunction, have emerged as a major issue. This study investigated the long-term endocrine effects of childhood-onset brain tumors in a large number of patients. This study included 151 patients with brain tumors diagnosed between January 1995 and December 2016. The following data were retrospectively reviewed: tumor location, tumor histology, endocrine abnormalities, hypothalamic involvement on brain imaging, treatment modalities, and trends in body mass index...
January 19, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29350351/convection-enhanced-delivery-of-cetuximab-conjugated-iron-oxide-nanoparticles-for-treatment-of-spontaneous-canine-intracranial-gliomas
#5
A Courtenay Freeman, Simon R Platt, Shannon Holmes, M Kent, Kelsey Robinson, Elizabeth Howerth, Joe Eagleson, Alexandros Bouras, Milota Kaluzova, Constantinos G Hadjipanayis
Cetuximab conjugated iron-oxide nanoparticles (cetuximab-IONPs) have shown both in-vitro and in-vivo anti-tumor efficacy against gliomas. The purpose of this pilot study was to evaluate the safety and potential efficacy of cetuximab-IONPs for treatment of spontaneously occurring intracranial gliomas in canines after convection-enhanced delivery (CED). The use of CED allowed for direct infusion of the cetuximab-IONPs both intratumorally and peritumorally avoiding the blood brain barrier (BBB) and limiting systemic effects...
January 19, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29349614/treatment-and-outcomes-of-28-patients-with-spinal-metastasis-from-gynecological-cancer
#6
Xin Gao, Chenglong Zhao, Shaohui He, Tianqi Fan, Wei Xu, Cheng Yang, Tielong Liu, Jianru Xiao
The aim of this study was to provide some useful information concerning clinical characteristics, surgical treatment, potential contributing factor and prognostic factors for patients with gynecological cancer (GC) spinal metastasis. We reviewed 28 patients with GC spinal metastasis in our spine tumor center between July 2008 and July 2015. Surgeries were performed on 22 of them. Univariate and multivariate analyses were conducted to identify potential prognostic factors affecting spinal metastasis-free survival (SMFS) and overall survival...
January 18, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29349613/tumor-treating-fields-a-new-approach-to-glioblastoma-therapy
#7
REVIEW
Jonathan Rick, Ankush Chandra, Manish K Aghi
Glioblastoma is an aggressive brain malignancy with poor outcomes. Current standard of care involves surgery, radiotherapy and chemotherapy. Even with optimal treatment, 5-year survival rates are low. Many patients are unable to tolerate the considerable side effects that therapy involves and suffer from low quality of life. Anti-mitotic tumor treating fields have shown potential in treating glioblastoma with data suggesting that they prolong disease-free survival and overall survival. Novocure has marketed a device that generates these fields via externally placed electrodes...
January 18, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29349612/dexamethasone-induced-leukocytosis-is-associated-with-poor-survival-in-newly-diagnosed-glioblastoma
#8
Daniel Dubinski, Sae-Yeon Won, Florian Gessler, Johanna Quick-Weller, Bedjan Behmanesh, Simon Bernatz, Marie-Therese Forster, Kea Franz, Karl-Heinz Plate, Volker Seifert, Patrick N Harter, Christian Senft
Despite its well-characterized side effects, dexamethasone is widely used in the pre-, peri- and postoperative neurosurgical setting due to its effective relief of tumor-induced symptoms through the reduction of tumor-associated edema. However, some patients show laboratory-defined dexamethasone induced elevation of white blood cell count, and its impact on glioblastoma progression is unknown. We retrospectively analyzed 113 patients with newly diagnosed glioblastoma to describe the incidence, risk factors and clinical features of dexamethasone-induced leukocytosis in primary glioblastoma patients...
January 18, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29344823/long-term-visual-outcomes-of-craniopharyngioma-in-children
#9
Michael J Wan, Michal Zapotocky, Eric Bouffet, Ute Bartels, Abhaya V Kulkarni, James M Drake
Visual function is a critical factor in the diagnosis, monitoring, and prognosis of craniopharyngiomas in children. The aim of this study was to report the long-term visual outcomes in a cohort of pediatric patients with craniopharyngioma. The study design is a retrospective chart review of craniopharyngioma patients from a single tertiary-care pediatric hospital. 59 patients were included in the study. Mean age at presentation was 9.4 years old (range 0.7-18.0 years old). The most common presenting features were headache (76%), nausea/vomiting (32%), and vision loss (31%)...
January 17, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29340960/higher-levels-of-progranulin-in-cerebrospinal-fluid-of-patients-with-lymphoma-and-carcinoma-with-cns-metastasis
#10
Akio Kimura, Masao Takemura, Ginette Serrero, Nobuaki Yoshikura, Yuichi Hayashi, Kuniaki Saito, Takashi Inuzuka
Assessing central nervous system (CNS) involvement in patients with lymphoma or carcinoma is important in determining therapy and prognosis. Progranulin (PGRN) is a secreted glycosylated protein with roles in cancer growth and survival; it is highly expressed in aggressive cancer cell lines and specimens from many cancer types. We examined PRGN levels by Enzyme Immuno-Assay (EIA) in cerebrospinal fluid (CSF) samples from 230 patients, including 18 with lymphoma [12 with CNS metastasis (CNS+); 6 without CNS metastasis (CNS-)], 21 with carcinomas (10 CNS+; 11 CNS-), and 191 control patients with non-cancer neurological diseases, and compared PRGN levels among these disease groups...
January 16, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29335913/analyzing-the-interactions-of-mrnas-mirnas-lncrnas-and-circrnas-to-predict-competing-endogenous-rna-networks-in-glioblastoma
#11
Yang Yuan, Li Jiaoming, Wang Xiang, Liu Yanhui, Jiang Shu, Gou Maling, Mao Qing
Cross-talk between competitive endogenous RNAs (ceRNAs) may play a critical role in revealing potential mechanisms of tumor development and physiology. Glioblastoma is the most common type of malignant primary brain tumor, and the mechanisms of tumor genesis and development in glioblastoma are unclear. Here, to investigate the role of non-coding RNAs and the ceRNA network in glioblastoma, we performed paired-end RNA sequencing and microarray analyses to obtain the expression profiles of mRNAs, lncRNAs, circRNAs and miRNAs...
January 15, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29335912/unprecedented-response-to-combination-braf-and-mek-inhibitors-in-adult-anaplastic-ganglioglioma
#12
LETTER
Benjamin Beland, Roger Y Tsang, Garnette Sutherland
No abstract text is available yet for this article.
January 15, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29332185/handedness-and-the-risk-of-glioma
#13
Briana Miller, Noah C Peeri, Louis Burt Nabors, Jordan H Creed, Zachary J Thompson, Carrie M Rozmeski, Renato V LaRocca, Sajeel Chowdhary, Jeffrey J Olson, Reid C Thompson, Kathleen M Egan
Gliomas are the most common type of malignant primary brain tumor and few risk factors have been linked to their development. Handedness has been associated with several pathologic neurological conditions such as schizophrenia, autism, and epilepsy, but few studies have evaluated a connection between handedness and risk of glioma. In this study, we examined the relationship between handedness and glioma risk in a large case-control study (1849 glioma cases and 1354 healthy controls) and a prospective cohort study (326,475 subjects with 375 incident gliomas)...
January 13, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29332184/neurologic-complications-of-immune-checkpoint-inhibitors
#14
Avi Fellner, Chen Makranz, Michal Lotem, Felix Bokstein, Alisa Taliansky, Shai Rosenberg, Deborah T Blumenthal, Jacob Mandel, Suzana Fichman, Elena Kogan, Israel Steiner, Tali Siegal, Alexander Lossos, Shlomit Yust-Katz
Immune checkpoint inhibitors (ICPIs) have recently emerged as a novel treatment for cancer. These agents, transforming the field of oncology, are not devoid of toxicity and cause immune-related side effects which can involve any organ including the nervous system. In this study, we present 9 patients (7 men and 2 women) with neurologic complications secondary to ICPI treatment. These included meningoencephalitis, limbic encephalitis, polyradiculitis, cranial polyneuropathy, myasthenic syndrome and myositis...
January 13, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29330751/prospective-trial-evaluating-the-sensitivity-and-specificity-of-3-4-dihydroxy-6-18f-fluoro-l-phenylalanine-18f-dopa-pet-and-mri-in-patients-with-recurrent-gliomas
#15
Ryan S Youland, Deanna H Pafundi, Debra H Brinkmann, Val J Lowe, Jonathan M Morris, Bradley J Kemp, Christopher H Hunt, Caterina Giannini, Ian F Parney, Nadia N Laack
Treatment-related changes can be difficult to differentiate from progressive glioma using MRI with contrast (CE). The purpose of this study is to compare the sensitivity and specificity of 18F-DOPA-PET and MRI in patients with recurrent glioma. Thirteen patients with MRI findings suspicious for recurrent glioma were prospectively enrolled and underwent 18F-DOPA-PET and MRI for neurosurgical planning. Stereotactic biopsies were obtained from regions of concordant and discordant PET and MRI CE, all within regions of T2/FLAIR signal hyperintensity...
January 13, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29330750/immunologic-and-gene-expression-profiles-of-spontaneous-canine-oligodendrogliomas
#16
Anna Filley, Mario Henriquez, Tanmoy Bhowmik, Brij Nath Tewari, Xi Rao, Jun Wan, Margaret A Miller, Yunlong Liu, R Timothy Bentley, Mahua Dey
Malignant glioma (MG), the most common primary brain tumor in adults, is extremely aggressive and uniformly fatal. Several treatment strategies have shown significant preclinical promise in murine models of glioma; however, none have produced meaningful clinical responses in human patients. We hypothesize that introduction of an additional preclinical animal model better approximating the complexity of human MG, particularly in interactions with host immune responses, will bridge the existing gap between these two stages of testing...
January 12, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29330749/toxicity-and-efficacy-of-lomustine-and-bevacizumab-in-recurrent-glioblastoma-patients
#17
J N Jakobsen, T Urup, K Grunnet, A Toft, M D Johansen, S H Poulsen, I J Christensen, A Muhic, H S Poulsen
The combination of lomustine and bevacizumab is a commonly used salvage treatment for recurrent glioblastoma (GBM). We investigated the toxicity and efficacy of lomustine plus bevacizumab (lom-bev) in a community-based patient cohort and made a comparison to another frequently used combination therapy consisting of irinotecan plus bevacizumab (iri-bev). Seventy patients with recurrent GBM were treated with lomustine 90 mg/m2 every 6 weeks and bevacizumab 10 mg/kg every 2 weeks. Toxicity was registered and compared to the toxicity observed in 219 recurrent GBM patients who had previously been treated with irinotecan 125 mg/m2 and bevacizumab 10 mg/kg every 2 weeks...
January 12, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29330748/surgery-in-elderly-patients-with-intracranial-meningioma-neuropsychological-functioning-during-a-long-term-follow-up
#18
Andrea Di Cristofori, Barbara Zarino, Giulio Bertani, Marco Locatelli, Paolo Rampini, Giorgio Carrabba, Manuela Caroli
Surgical treatment of elderly patients with meningioma is has proved to be safe, especially when patients are selected using dedicated surgical scores. These scores take into account tumor size, edema, location and patient's co-morbidities. Neuropsychological functioning (NPF) of this kind of patients has been poorly studied in literature and it is not taken into account by these scores. Aim of our study was to describe the long-term outcome in terms of NPF of elderly patients undergoing surgery. Patients older than 70 years of age affected by intracranial meningioma and selected with the Clinical-Radiological Grading Score were included in our study...
January 12, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29327175/microrna-30c-as-a-novel-diagnostic-biomarker-for-primary-and-secondary-b-cell-lymphoma-of-the-cns
#19
Alexander Baraniskin, Monika Chomiak, Guido Ahle, Thomas Gress, Malte Buchholz, Michael Turewicz, Martin Eisenacher, Michelle Margold, Uwe Schlegel, Wolff Schmiegel, Stephan Hahn, Roland Schroers
Primary lymphomas of the central nervous system (PCNSL) are highly aggressive tumors affecting exclusively the CNS, meninges, and eyes. PCNSL must be separated from secondary spread of systemic lymphoma to the CNS (SCNSL), which may occur at diagnosis or relapse of systemic lymphomas. At present, there are no valid methods to distinguish PCNSL from SCNSL based on tumor biopsy because of similar histological presentation. However, SCNSL and PCNSL are different in terms of prognosis and adequate therapy protocols...
January 11, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29327174/localized-targeted-antiangiogenic-drug-delivery-for-glioblastoma
#20
REVIEW
Gregory D Arnone, Abhiraj D Bhimani, Tania Aguilar, Ankit I Mehta
Systemic delivery of antiangiogenic agents has been ineffective in improving the overall survival of patients with both primary and recurrent glioblastoma, in part due to dose-limiting toxicities. With the development of new and efficient localized delivery methods and vehicles, an otherwise lethal dose of antiangiogenic chemotherapy can be used to treat tumors while minimizing systemic side effects. Current in-vitro and in-vivo animal studies have shown promising results that encourage the pursuit towards human clinical trials for localized antiangiogenic treatment in the near future...
January 11, 2018: Journal of Neuro-oncology
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