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Meningioma

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https://www.readbyqxmd.com/read/29216737/electroconvulsive-therapy-in-an-elderly-patient-with-recurrent-meningiomas
#1
Dhiren Singh, Jessica Lee
No abstract text is available yet for this article.
December 1, 2017: Australian and New Zealand Journal of Psychiatry
https://www.readbyqxmd.com/read/29216385/de-novo-and-secondary-anaplastic-meningiomas-a-study-of-clinical-and-histomolecular-prognostic-factors
#2
Matthieu Peyre, Guillaume Gauchotte, Marine Giry, Sébastien Froehlich, Johan Pallud, Thomas Graillon, Franck Bielle, Dominique Cazals-Hatem, Pascale Varlet, Dominique Figarella-Branger, Hugues Loiseau, Michel Kalamarides
Background: Following recent studies underlining the differences between de novo and secondary anaplastic meningiomas and the prognostic value of TERT promoter mutation, we decided to conduct a multicenter retrospective study to address these questions and determine specific prognostic factors in each of these two anaplastic meningioma subgroups. Methods: Among the 68 meningioma cases initially selected, only 57 were confirmed as anaplastic meningiomas after centralized pathological review...
December 5, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/29215848/-molecular-biology-of-brain-meningiomas
#3
V A Byvalsev, I A Stepanov, E G Belykh, A I Yarullina
No abstract text is available yet for this article.
April 2017: Patologicheskaia Fiziologiia i èksperimental'naia Terapiia
https://www.readbyqxmd.com/read/29210077/estimating-verbal-fluency-and-naming-ability-from-the-test-of-premorbid-functioning-and-demographic-variables-regression-equations-derived-from-a-regional-uk-sample
#4
Toni-Marie Jenkinson, Steven Muncer, Miranda Wheeler, Don Brechin, Stephen Evans
OBJECTIVES: Neuropsychological assessment requires accurate estimation of an individual's premorbid cognitive abilities. Oral word reading tests, such as the test of premorbid functioning (TOPF), and demographic variables, such as age, sex, and level of education, provide a reasonable indication of premorbid intelligence, but their ability to predict other related cognitive abilities is less well understood. This study aimed to develop regression equations, based on the TOPF and demographic variables, to predict scores on tests of verbal fluency and naming ability...
December 6, 2017: British Journal of Clinical Psychology
https://www.readbyqxmd.com/read/29209687/high-risk-of-brain-tumors-in-military-personnel-a-case-control-study
#5
P Fallahi, G Elia, R Foddis, A Cristaudo, A Antonelli
Scientific literature suggests a relationship between military occupation and the development of brain tumors, but no italian study has investigated on the impact of this job on the brain cancer morbidity. In this a study information were obtained from patients recruited in the Neurosurgical Department of the University-Hospital of Pisa, Italy, from 1990 to 1999. The study has been conducted as a case-control study. 161, newly diagnosed cases of brain tumors (glioma and meningiomas, histologically confirmed), were recruited, such as 483 controls (with other non tumoral neurologic diseases: trauma, hemorrhagic brain disorders, aneurism, etc), by matching cases and controls (1:3), for age (± 5 years) and gender...
November 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/29207882/the-modified-lateral-supraorbital-approach
#6
Umit Kocaman, Tayfun Dalbasti, Mehmet Haluk Ozer, Hakan Yilmaz, Muhammet Bahadir Yilmaz, Ibrahim Burak Atci, Servet Celik
PURPOSE: Lateral supraorbital approach is a simpler and quicker method than pterional approach. It provides a more anterior projection when compared to the pterional approach. There are some minor differences of the modified lateral supraorbital approach when compared to lateral supraorbital approach. It is directed more subfrontally and anterior than the pterional and lateral supraorbital approach. MATERIAL AND METHODS: We used modified lateral supraorbital approach in 100 cases between 2012 and 2015 in Medical Park İzmir Hospital/Turkey...
December 6, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29207619/antitumor-activity-of-gemcitabine-against-high-grade-meningioma-in-vitro-and-in-vivo
#7
Hiroyuki Takeda, Masashi Okada, Kenta Kuramoto, Shuhei Suzuki, Hirotsugu Sakaki, Tomomi Sanomachi, Shizuka Seino, Takashi Yoshioka, Hirofumi Hirano, Kazunori Arita, Chifumi Kitanaka
Currently, there is no established therapeutic option for high-grade meningioma recurring after surgery and radiotherapy, and few chemotherapeutic agents are in development for the treatment of high-grade meningioma. Here in this study, we screened a panel of chemotherapeutic agents for their possible antitumor activity in high-grade meningioma and discovered that high-grade meningioma cells show a preferential sensitivity to antimetabolites, in particular, to gemcitabine. In vitro, gemcitabine inhibited the growth of high-grade meningioma cells effectively by inducing S-phase arrest and apoptotic cell death...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29206892/progestin-associated-shift-of-meningioma-mutational-landscape
#8
M Peyre, S Gaillard, C de Marcellus, M Giry, F Bielle, C Villa, A L Boch, H Loiseau, B Baussart, L Cazabat, M L Raffin-Sanson, M Sanson, M Kalamarides
Background: Meningiomas are the most common primary tumor of the central nervous system. The relationship between meningioma and progestins is frequently mentioned but has not been elucidated. Patients and methods: We identified 40 female patients operated for a meningioma after long-term progestin therapy and performed targeted next generation sequencing in order to decipher the mutational landscape of hormone-related meningiomas. A published cohort of 530 meningiomas in women was used as a reference population...
November 30, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29206077/radiosurgery-and-stereotactic-radiotherapy-with-cyberknife-system-for-meningioma-treatment
#9
Rossella Di Franco, Valentina Borzillo, Vincenzo Ravo, Sara Falivene, Francesco Jacopo Romano, Matteo Muto, Fabrizio Cammarota, Giuseppe Totaro, Gianluca Ametrano, Sabrina Rossetti, Carla Cavaliere, Carmine D' Aniello, Gelsomina Iovane, Maria Assunta Porricelli, Massimiliano Berretta, Gerardo Botti, Luigi Starace, Enrico La Salvia, Gaetano Facchini, Paolo Muto
Objective The aim of this work was to evaluate the impact of stereotactic radiosurgery/fractionated stereotactic radiotherapy with the Cyberknife system on local disease control, clinical outcome and toxicity in patients with meningioma, according to the site and histological grade of lesion. From January 2013 to April 2017, 52 patients with intracranial meningiomas were treated with the Cyberknife system. Twenty-four patients had undergone previous surgery: 38% gross total resection, 10% subtotal resection; 27 patients underwent no surgery; 22 patients had a recurrence of meningioma...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/29204043/simultaneous-convexity-meningioma-and-prolactinoma
#10
Vladimir Figueroa-Angel, Willem Guillermo Calderon-Miranda, Nidia Escobar-Hernandez, Andrei F Joaquim, Luis Rafael Moscote-Salazar, Emericella Renna Roldan-Medellin, Estefania Casasa Velez, Maria Del Rocio Estrada-Hernandez
No abstract text is available yet for this article.
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29204041/delayed-visual-loss-following-transcranial-surgery-for-tuberculum-sella-meningioma
#11
Sudha Menon, Girish Menon
Postoperative visual loss is a dreaded complication following transcranial excision of tuberculum sella meningioma. Visual deterioration is commonly noticed immediately after surgery, and delayed deterioration after 72 h is uncommon. We report a case of delayed postoperative deterioration in a 48-year-old female and discuss the possible mechanisms.
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29204031/intracranial-ossified-metaplastic-meningioma-unusual-cause-of-headache
#12
Venkatraman Indiran
No abstract text is available yet for this article.
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29204027/a-simplified-overview-of-world-health-organization-classification-update-of-central-nervous-system-tumors-2016
#13
REVIEW
Anshu Gupta, Tanima Dwivedi
After 8 years, an update of central nervous system (CNS) tumors was published in 2016 after 2007. First time ever, molecular markers along with histology have been used in classification of any tumor. Major changes are seen in glioma and medulloblastoma groups. Few entities have been added such as diffuse midline glioma, H3 K27M-mutant, RELA fusion-positive ependymoma, embryonal tumor with multilayered rosettes, C19MC-altered, and hybrid nerve sheath tumors. Few variants and patterns that no longer have diagnostic and/or biological relevance and have been deleted such as glioblastoma cerebri, protoplasmic and fibrillary astrocytoma, and cellular ependymoma...
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29204019/histologically-confirmed-intracranial-tumors-managed-at-enugu-nigeria
#14
Chika Anele Ndubuisi, Samuel C Ohaegbulam, Linda U Iroegbu, Mike Ezeali Ekuma, Wilfred C Mezue, Uwadiegwu Alphonsus Erechukwu
Background: There is controversy about the global distribution of intracranial tumors (ICTs). The previous reports from Africa suggested low frequency and different pattern of distribution of brain tumors from what obtains in other continents. The limitations at that time, including paucity of diagnostic facilities and personnel, have improved. Objective: The objective of this study is to analyze the current trend and distribution of histology confirmed brain tumors managed in Enugu, in a decade...
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29200677/evaluation-of-intraoperative-cytological-smears-for-diagnosis-of-brain-tumors-with-special-reference-to-immunohistochemistry
#15
Saurav Sarkar, Moumita Sengupta, Chhanda Datta, Uttara Chatterjee, Samarendra Nath Ghosh
Context: Brain tumors are heterogeneous group of benign and malignant tumors of glial, meningeal, neuronal, embryonal, and lymphoid origin. Rapid intraoperative diagnosis of the nature of the tumor helps the surgeon to plan the extent of surgery and modify it accordingly. Aims: (1) To establish the validity and reliability of squash cytology in the intraoperative diagnosis of brain tumors. (2) To correlate with histopathological report and immunohistochemistry (IHC) profile...
July 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29200117/common-histologically-benign-tumors-of-the-brain
#16
Roy E Strowd, Jaishri O Blakeley
PURPOSE OF REVIEW: As a group, benign tumors account for the majority of primary neoplasms affecting the central nervous system (CNS). This article reviews the epidemiology, clinical presentation, neuroimaging features, and management of the most common of these tumors: meningiomas, schwannomas, and pituitary adenomas. RECENT FINDINGS: Awareness of the most common nonmalignant tumors of the CNS and their management guidelines is important as many of these tumors are managed conservatively, with neurologists playing a primary role in both surveillance and symptom management...
December 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/29199712/histopathological-analysis-of-meningioma-and-its-variants-a-study-of-fifty-cases
#17
S Srikanth
BACKGROUND: The study was conducted to know the various histopathological variants of meningiomas, the age incidence and sex ratio. MATERIALS AND METHODS: A retrospective and prospective analysis of all the samples sent for histopathology for 2 years during June 2013-May 2015 was done to diagnose meningioma and its variants. Cases were analyzed in detail about the complete clinical history, exact location, and clinical and radiological diagnosis. The majority of the cases were clinically and radiologically diagnosed as meningioma...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199401/factors-associated-with-postoperative-diabetes-insipidus-after-pituitary-surgery
#18
Antonio L Faltado, Anna Angelica Macalalad-Josue, Ralph Jason S Li, John Paul M Quisumbing, Marc Gregory Y Yu, Cecilia A Jimeno
BACKGROUND: Determining risk factors for diabetes insipidus (DI) after pituitary surgery is important in improving patient care. Our objective is to determine the factors associated with DI after pituitary surgery. METHODS: We reviewed records of patients who underwent pituitary surgery from 2011 to 2015 at Philippine General Hospital. Patients with preoperative DI were excluded. Multiple logistic regression analysis was performed and a predictive model was generated...
November 21, 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29199006/lb-100-a-novel-protein-phosphatase-2a-pp2a-inhibitor-sensitizes-malignant-meningioma-cells-to-the-therapeutic-effects-of-radiation
#19
Winson S C Ho, Saman Sizdahkhani, Shuyu Hao, Hua Song, Ashlee Seldomridge, Anita Tandle, Dragan Maric, Tamalee Kramp, Rongze Lu, John D Heiss, Kevin Camphausen, Mark R Gilbert, Zhengping Zhuang, Deric M Park
Atypical and anaplastic meningiomas (AAM) represent 20% of all meningiomas. They are associated with poor outcomes due to their tendency to recur. While surgery and radiation (RT) are first line therapy, no effective systemic medical treatment has been identified. Protein phosphatase 2A (PP2A) is a ubiquitously expressed serine/threonine phosphatase involved in cell cycle regulation and DNA repair. Here, we examined radiosensitizing effects of LB-100, a novel inhibitor of PP2A against AAM as a novel treatment strategy...
November 30, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29198491/preliminary-algorithm-for-differential-diagnosis-between-spinal-meningioma-and-schwannoma-using-plain-magnetic-resonance-imaging
#20
Eiichiro Iwata, Hideki Shigematsu, Yusuke Yamamoto, Sachiko Kawasaki, Masato Tanaka, Akinori Okuda, Yasuhiko Morimoto, Keisuke Masuda, Munehisa Koizumi, Manabu Akahane, Yasuhito Tanaka
BACKGROUND: Preoperative differential diagnosis between spinal meningioma and schwannoma is critical due to the characteristic differences of the surgical treatments. Thus, we aimed to develop an algorithm for the differential diagnosis of these two lesions based on plain MRI findings. METHODS: We retrospectively reviewed plain MR images from patients who had undergone surgical treatment for meningiomas and schwannomas in our hospital between 2002 and 2016. Seven findings characteristic of meningioma or schwannoma were considered: (a) low or equal signal intensity on T2-weighted images, (b) obtuse angle from the dura mater, (c) anterior location in the spinal canal, (d) cystic degeneration, (e) lumbar occurrence, (f) oval or round shape, and (g) dumbbell type...
November 29, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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