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https://www.readbyqxmd.com/read/28436162/the-path-forward-2015-international-children-s-tumor-foundation-conference-on-neurofibromatosis-type-1-type-2-and-schwannomatosis
#1
Jaishri O Blakeley, Annette Bakker, Anne Barker, Wade Clapp, Rosalie Ferner, Michael J Fisher, Marco Giovannini, David H Gutmann, Matthias A Karajannis, Joseph L Kissil, Eric Legius, Alison C Lloyd, Roger J Packer, Vijaya Ramesh, Vincent M Riccardi, David A Stevenson, Nicole J Ullrich, Meena Upadhyaya, Anat Stemmer-Rachamimov
The Annual Children's Tumor Foundation International Neurofibromatosis Meeting is the premier venue for connecting discovery, translational and clinical scientists who are focused on neurofibromatosis types 1 and 2 (NF1 and NF2) and schwannomatosis (SWN). The meeting also features rare tumors such as glioma, meningioma, sarcoma, and neuroblastoma that occur both within these syndromes and spontaneously; associated with somatic mutations in NF1, NF2, and SWN. The meeting addresses both state of the field for current clinical care as well as emerging preclinical models fueling discovery of new therapeutic targets and discovery science initiatives investigating mechanisms of tumorigenesis...
April 24, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28433840/the-unusual-presentation-of-a-myxoma-within-the-sphenoid-sinus-case-report-and-review-of-the-literature
#2
Julian V Clarke, Aditi H Mandpe, Peter B Weber, Hannes Vogel, Lewis Z Leng
BACKGROUND: We describe a rare case of a sphenoid sinus myxoma that was resected via an endoscopic endonasal skull base approach. We review the literature regarding these rare tumors of the paranasal sinuses. CASE DESCRIPTION: A 72 year old female was diagnosed with an incidental sphenoid sinus tumor and left sphenoid wing meningioma during work-up for left sided proptosis and diplopia. Biopsies of the sphenoid wing and sphenoid sinus tumors were obtained. After undergoing surgical resection of the meningioma, the patient then underwent definitive resection of the sphenoid sinus myxoma via endoscopic endonasal skull base approach...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433399/simultaneous-68-ga-dotatate-positron-emission-tomography-magnetic-resonance-imaging-in-meningioma-target-contouring-feasibility-and-impact-upon-interobserver-variability-versus-positron-emission-tomography-computed-tomography-and-computed-tomography-magnetic
#3
J Maclean, N Fersht, K Sullivan, I Kayani, J Bomanji, J Dickson, C O'Meara, S Short
AIMS: The increasing use of highly conformal radiation techniques to treat meningioma confers a greater need for accurate targeting. Several groups have shown that positron emission tomography/computed tomography (PET/CT) information alters meningioma targets contoured by single observers, but whether this translates into improved accuracy has not been defined. As magnetic resonance imaging (MRI) is the cornerstone of meningioma target contouring, simultaneous PET/MRI may be superior to PET/CT...
April 19, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28432584/clinical-features-and-long-term-outcomes-of-pediatric-spinal-meningiomas
#4
Liang Wu, Chenlong Yang, Tie Liu, Jingyi Fang, Jun Yang, Yulun Xu
Pediatric spinal meningiomas are very rare. Most studies on pediatric spinal meningiomas are case reports with literature reviews. This study presented a surgical series of 14 pediatric patients with histologically proven sporadic spinal meningiomas, including 5 WHO grade II tumors. In this series, there were 9 male and 5 female patients with a mean age of 11.1 years. Seven tumors were located in the cervical spine, 5 in the thoracic spine, and 2 in the lumbar spine. Gross total resection (GTR) of the tumor with a well-demarcated dissection plane was achieved in 11 cases, subtotal resection was achieved in 2 cases, and partial resection was performed in 1 case...
April 21, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28429237/atypical-and-anaplastic-meningioma-outcomes-in-a-population-based-study
#5
T Garzon-Muvdi, W Yang, M Lim, H Brem, J Huang
Atypical and anaplastic meningiomas (AAM) are aggressive tumors. This study is aimed at examining associations between patient and tumor-related factors and tumor-related death in patients with AAM. We conducted a population-based cohort study utilizing prospectively collected data from the Surveillance, Epidemiology, and End Results (SEER) database. Patients with diagnosis of AAM from 1973 to 2012 in the SEER database were included. Patients lacking clinical information were excluded. Multivariate analysis between patient and lesion characteristics, and AAM-related death was performed to adjust for confounding factors...
April 20, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28427982/preoperative-evaluation-of-sellar-and-parasellar-macro-lesions-by-fluorine-18-fluorodeoxyglucose-positron-emission-tomography
#6
Masahiko Tosaka, Tetsuya Higuchi, Keishi Horiguchi, Tadashi Osawa, Yukiko Arisaka, Haruyasu Fujita, Yoshito Tsushima, Yuhei Yoshimoto
OBJECTIVE: Various pathologies can occur in the sellar and suprasellar regions. The potential of fluorine-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) for the preoperative evaluation of sellar and parasellar lesions was investigated. METHODS: A total of 49 patients aged 8 to 82 years with sellar and parasellar macroscopic lesions (≥10 mm) underwent FDG PET. Twenty-two patients had pituitary adenomas, including 14 non-functioning and 8 growth hormone (GH)-secreting adenomas...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427502/radiosurgery-for-intracranial-meningiomas-a-systematic-review-and-meta-analysis
#7
REVIEW
Valentina Pinzi, Elena Biagioli, Anna Roberto, Francesca Galli, Michele Rizzi, Federica Chiappa, Greta Brenna, Laura Fariselli, Irene Floriani
BACKGROUND: Radiosurgery(RS), both in single and multiple sessions, have been performed for intracranial meningiomas. Different aspects are still controversial on this field. The aim of this systematic review is to summarize the current literature on long-term efficacy and safety of RS for meningiomas. METHODS: Online databases were searched for studies published until April 2015. The primary outcomes were disease control and progression-free-survival(PFS). The secondary outcomes were symptom control and radiation-induced toxicity...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28427170/association-of-pre-operative-depressive-and-anxiety-symptoms-with-five-year-survival-of-glioma-and-meningioma-patients-a-prospective-cohort-study
#8
Adomas Bunevicius, Vytenis Pranas Deltuva, Arimantas Tamasauskas
BACKGROUND: Mental symptoms are common and associated with worse health status of brain tumor patients. We evaluated the association of pre-operative depressive and anxiety symptoms with 5-year mortality of glioma and meningioma patients. METHODS: One-hundred and fifty-two patients (mean age 56.9±14.7 years, 69% women) were evaluated for functional status (Barthel index), and depressive and anxiety symptom severity (Hospital Anxiety and Depression scale or HADS)...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422769/visual-outcomes-and-local-control-after-fractionated-stereotactic-radiotherapy-for-optic-nerve-sheath-meningioma
#9
Sarah Nicole Hamilton, Alan Nichol, Pauline Truong, Michael McKenzie, Fred Hsu, Arthur Cheung, Peter Dolman, Ermias Gete, Roy Ma
PURPOSE: To review the outcomes of patients with optic nerve sheath meningiomas (ONSM) treated with fractionated stereotactic radiotherapy. METHODS: Patient characteristics, treatment, and outcomes were analyzed for all patients with primary and secondary ONSM treated from 2001 to 2012. Clinically significant visual acuity change was defined as a 2-line change on the Snellen eye chart from pre-fractionated stereotactic radiotherapy. RESULTS: Forty-one patients were treated: 23 patients with primary ONSM and 18 patients with secondary ONSM...
April 18, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28422417/cranial-irradiation-in-childhood-mimicking-neurofibromatosis-type-ii
#10
Felix Bokstein, Tom Dubov, Hagit Toledano-Alhadef, Rinat Bernstein-Molho, Shlomi Constantini, D Gareth Evans, Shay Ben-Shachar
Neurofibromatosis type II (NF2) is a genetic disease characterized by bilateral vestibular schwannomas (VS) and other nerve system tumors. However, such tumors may be associated with environmental, rather than a genetic, etiology. Individuals fulfilling the clinical criteria of NF2 who had been treated by head ionized irradiation at a young age were compared for disease characteristics and molecular analysis with non-irradiated sporadic NF2 cases. In the study cohort, three of 33 sporadic adult cases fulfilling NF2 diagnostic criteria had a history of early age cranial irradiation exposure...
April 19, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28419308/brain-invasion-in-meningiomas-clinical-considerations-and-impact-of-neuropathological-evaluation-a-systematic-review
#11
Benjamin Brokinkel, Katharina Hess, Christian Mawrin
With the release of the 2016 edition of the WHO Classification of Central Nervous System tumors, brain invasion in meningiomas has been added as a stand-alone criterion for atypia and can therefore impact grading and indirectly adjuvant therapy. Regarding this rising clinical importance, we have reviewed the current knowledge about brain invasion with emphasis on its implications on current and future clinical practice. We found various definitions of brain invasion and approaches for evaluation in surgically obtained specimen described over the past decades...
April 17, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28416781/incidence-risk-factors-and-outcomes-of-seizures-occurring-after-craniotomy-for-primary-brain-tumor-resection
#12
Hasan M Al-Dorzi, Abdullah A Alruwaita, Bothaina O Marae, Bushra S Alraddadi, Hani M Tamim, Ahmad Ferayan, Yaseen M Arabi
OBJECTIVE: To determine the incidence, risk factors and outcomes of early post-craniotomy seizures. METHODS: This was a retrospective cohort study of all patients who underwent craniotomy for primary brain tumor resection (2002-2011) and admitted postoperatively to the intensive care unit. The patients were divided into 2 groups depending on the occurrence of seizures within 7 days. RESULTS: One-hundred-ninety-three patients were studied: 35...
April 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/28415660/accuracy-of-raman-spectroscopy-in-differentiating-brain-tumor-from-normal-brain-tissue
#13
REVIEW
Jing Zhang, Yimeng Fan, Min He, Xuelei Ma, Yanlin Song, Ming Liu, Jianguo Xu
Raman spectroscopy could be applied to distinguish tumor from normal tissues. This meta-analysis was conducted to assess the accuracy of Raman spectroscopy in differentiating brain tumor from normal brain tissue. PubMed and Embase were searched to identify suitable studies prior to Jan 1st, 2016. We estimated the pooled sensitivity, specificity, positive and negative likelihood ratios (LR), diagnostic odds ratio (DOR), and constructed summary receiver operating characteristics (SROC) curves to identity the accuracy of Raman spectroscopy in differentiating brain tumor from normal brain tissue...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415060/-a-case-of-foramen-magnum-meningioma-manifesting-as-hypoglossal-nerve-palsy
#14
Yasufumi Inaka, Naoki Otani, Sho Nishida, Hideaki Ueno, Arata Tomiyama, Satoshi Tomura, Terushige Toyooka, Kojiro Wada, Kentaro Mori
We report a case of foramen magnum meningioma manifesting as hypoglossal nerve palsy. A 72-year-old woman presented with progressive hypoglossal nerve palsy and lingual atrophy on the left side. Gadolinium-enhanced T1-weighted magnetic resonance imaging revealed a heterogeneously enhanced mass lesion with dural tail sign partially extending into the hypoglossal canal. The transcondylar approach was performed to expose the hypoglossal canal and resect the tumor completely. Histological examination revealed a transitional meningioma...
April 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28414885/nasopharyngeal-tumor-developing-in-a-36-year-old-man-following-radiation-for-a-childhood-meningioma
#15
Marwah M Abdulkader, Isaac C Wu, James C Miller, Don-John Summerlin, Eyas M Hattab
No abstract text is available yet for this article.
May 2017: Brain Pathology
https://www.readbyqxmd.com/read/28413768/surgical-resection-of-an-optic-nerve-sheath-meningioma-relevance-of-endoscopic-endonasal-approaches-to-the-optic-canal
#16
Patrick J Hunt, Franco DeMonte, Rosa A Tang, Shirley Y Su, Shaan M Raza
Optic nerve sheath meningiomas (ONSMs) account for less than 2% of meningiomas and 1.7% of orbital tumors. Although rare, the management of these tumors is important as unilateral blindness often results in untreated cases. Radiotherapy has emerged as the preferred treatment. However, therapies for ONSMs are controversial due to the variable natural history of the disease and limitations of surgical and radiotherapy options. A 60-year-old woman presented with monocular left diminished color perception and blurred vision...
April 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28413540/intraventricular-glioblastoma-multiforme-mimicking-meningioma-and-review-of-the-literature
#17
Ashis Patnaik, Sudhansu S Mishra, Satya B Senapati
Glioblastoma multiforme (GBM) is the most common primary brain tumor and is usually found in aged persons in the cerebral hemispheres particularly the frontotemporal region. But intraventricular GBM is rare and only few cases have been reported in the literature. We report a case of a 27-year-old man who presented with headache, vision loss in both eyes, and other signs and symptoms of increased intracranial pressure. Computed tomography and magnetic resonance imaging showed an intraventricular, well-circumscribed lesion with homogeneous enhancement of contrast, suggestive of meningioma that is more common than GBM in this location...
January 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28408255/supraorbital-versus-endoscopic-endonasal-approaches-for-olfactory-groove-meningiomas-a-cost-minimization-study
#18
Gurpreet S Gandhoke, Matthew Pease, Kenneth J Smith, Raymond F Sekula
INTRODUCTION: We performed a cost-minimization study comparing the supraorbital and endoscopic, endonasal (EEA) approaches with or without the addition of craniotomy for the resection of olfactory groove meningioma. METHODS: We built a decision tree using probabilities of gross total resection and CSF leak rates with the supraorbital approach versus EEA with and without additional craniotomy. The cost (not charge or reimbursement) at each 'stem' of this decision tree, for both surgical options was obtained from our hospital's finance department...
April 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28405167/genetic-variants-and-increased-risk-of-meningioma-an-updated-meta-analysis
#19
Xiao-Yong Han, Wei Wang, Lei-Lei Wang, Xi-Rui Wang, Gang Li
PURPOSE: Various genetic variants have been reported to be linked to an increased risk of meningioma. However, no confirmed conclusion has been obtained. The purpose of the study was to investigate potential meningioma-associated gene polymorphisms, based on published evidence. MATERIALS AND METHODS: An updated meta-analysis was performed in September 2016. After electronic database searching and study screening, we selected eligible case-control studies and extracted data for meta-analysis, using Mantel-Haenszel statistics...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28404703/olfactory-groove-and-planum-sphenoidale-meningioma-dementia-masquerade
#20
Grace Shu Hui Chiang, Lee Gan Goh
No abstract text is available yet for this article.
April 2017: Canadian Family Physician Médecin de Famille Canadien
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