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Meningioma

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https://www.readbyqxmd.com/read/28107759/multiple-primary-pulmonary-meningiomas-20-year-follow-up-findings-for-a-first-reported-case-confirming-a-benign-biological-nature
#1
Yukitoshi Satoh, Yuichi Ishikawa
INTRODUCTION: Primary pulmonary meningiomas (PPMs) are very rare neoplasms, and we reported the first multiple case of PPMs in 1998. Usually, PPMs are slow-growing tumors with a good prognosis. Herein, we reported a rare multiple case of PPMs with an extremely long clinical course. PRESENTATION OF THE CASE: An 84-year-old Japanese woman with a history of multiple PPMs histologically confirmed as having a right-sided slowly growing lung nodule for 20 years. In 2010, we also reported the additional clinical course in the initial case 10 years after surgery implying a benign biological nature...
January 7, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28106942/assessment-of-intracranial-meningioma-associated-calcifications-using-susceptibility-weighted-mri
#2
Lisa C Adams, Sarah M Böker, Yvonne Y Bender, Eva M Fallenberg, Moritz Wagner, Ralph Buchert, Bernd Hamm, Marcus R Makowski
PURPOSE: To determine the diagnostic accuracy of susceptibility-weighted MRI (SW-MRI) for the detection of intracranial meningioma-associated calcifications compared with standard MR sequences, using computed tomography (CT) as a reference standard. MATERIALS AND METHODS: 354 patients, who had received both a CT and a 1.5 Tesla clinical brain MRI with SW-MRI sequences between January 2014 and July 2016, were retrospectively evaluated and 316 patients were included...
January 20, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28104940/percutaneous-epidural-drainage-through-a-burr-hole
#3
Priscila M Falsarella, Rafael D Rocha, Rodrigo G Garcia
Intracranial extradural collection may cause an increase in intracranial pressure, requiring rapid emergency treatment to reduce morbidity and mortality. We described an alternative CT-guided percutaneous access for extradural collection drainage. We report a case of a patient with previous craniectomy for meningioma ressection who presented to the Emergency Department with symptoms of intracranial hypertension. Brains CT showed a extradural collection with subfalcine herniation. After multidisciplinary discussion a CT-guided percutaneous drainage through previous burr hole was performed...
October 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28101641/volumetric-growth-rates-of-meningioma-and-its-correlation-with-histological-diagnosis-and-clinical-outcome-a-systematic-review
#4
REVIEW
Daniel M Fountain, Wai Cheong Soon, Tomasz Matys, Mathew R Guilfoyle, Ramez Kirollos, Thomas Santarius
INTRODUCTION: Tumour growth has been used to successfully predict progression-free survival in low-grade glioma. This systematic review sought to establish the evidence base regarding the correlation of volumetric growth rates with histological diagnosis and potential to predict clinical outcome in patients with meningioma. METHODS: This systematic review was conducted according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines...
January 18, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28101245/apobec3b-expression-in-human-leptomeninges-and-meningiomas
#5
Mahlon D Johnson, Jay E Reeder, Mary O'Connell
Nucleic acid-editing enzymes of the apolipoprotein B mRNA-editing enzyme (APOBEC) family have been associated with somatic mutation in cancer. However, the role of APOBEC catalytic subunit 3B (APOBEC3B) editing in the pathogenesis of base substitutions in meningiomas is unknown. In the present study, the expression of APOBEC3B was examined by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blot analyses in five fetal and one adult human leptomeninges and 38 meningiomas. Genomic DNA was sequenced using the Illumina Tru-Seq Cancer Panel...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28100861/-a-case-of-intracranial-localized-castleman-s-disease-mimicking-convexity-meningioma
#6
Keisuke Ozono, Takashi Fujimoto, Makoto Hirose, Ichiro Kawahara, Kazuyoshi Uchihashi
A 68-year-old man presented with abnormal behavior and Todd's paralysis on the right side after having taken a bath. Computed tomography and magnetic resonance imaging revealed a tumor mimicking convexity meningioma that had a perifocal edema, although its mass was not very large. The patient underwent surgery, and full recovery was achieved following a total removal of the lesion. Pathohistological examination demonstrated an intermediate type of Castleman's disease. The final diagnosis was intracranial localized Castleman's disease because the results of the full physical examination and laboratory analyses were normal...
January 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28096958/survival-proliferation-and-migration-of-human-meningioma-stem-like-cells-in-a-nanopeptide-scaffold
#7
Sajad Sahab Negah, Hadi Aligholi, Zabihollah Khaksar, Hadi Kazemi, Sayed Mostafa Modarres Mousavi, Maryam Safahani, Parastoo Barati Dowom, Ali Gorji
OBJECTIVES: In order to grow cells in a three-dimensional (3D) microenvironment, self-assembling peptides, such as PuraMatrix, have emerged with potential to mimic the extracellular matrix. The aim of the present study was to investigate the influence of the self-assembling peptide on the morphology, survival, proliferation rate, migration potential, and differentiation of human meningioma stem-like cells (hMgSCs). MATERIALS AND METHODS: The efficacy of a novel method for placing hMgSCs in PuraMatrix (the injection approach) was compared to the encapsulation and surface plating methods...
December 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28096224/supra-and-infratentorial-ectopic-schwannoma-mimicking-a-meningioma
#8
Pedro Ribeiro da Cunha, José Luís Alves, Armando Rocha
We report the case of a supra and infratentorial ectopic schwannoma, mimicking a meningioma, that was surgically resected on a 75-year-old man, with a history of progressive visual loss and headaches. MRI was in favour of an occipital, cystic, tentorial-based meningioma extending to the posterior fossa, with signs of intratumoral haemorrhage. This is a unique case because of the rare type of lesion, in a very atypical location, completely unexpected by the preoperative imaging analysis, and to the best of our knowledge it is the oldest patient reported in the literature with this kind of tumour...
January 17, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28089420/regression-of-intracranial-meningioma-following-treatment-with-nivolumab-case-report-and-review-of-the-literature
#9
Efrat Gelerstein, Assaf Berger, Tali Jonas-Kimchi, Ido Strauss, Andrew A Kanner, Deborah T Blumenthal, Maya Gottfried, Nevo Margalit, Zvi Ram, Tal Shahar
The treatment of refractory meningiomas remains a challenge for both neurosurgeons and neuro-oncologists. There have been no clinical reports of the use or effects of anti-PD-1 therapy in patients with meningioma. We describe a patient whose intracranial meningioma decreased significantly in size after treatment with nivolumab, a monoclonal antibody targeting PD-1, for a concomitant advanced lung cancer. This is the first clinical report suggesting that antibodies targeting PD-1 are effective in treating meningioma...
January 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28087186/spontaneous-subdural-haemorrhage-due-to-meningioma-in-the-post-partum-setting
#10
Krishnan Ravindran, Frank Gaillard, Arian Lasocki
An acute presentation of a meningioma with spontaneous haemorrhage is rare, with mechanisms of haemorrhage remaining unclear. Here, we present a case of a meningioma causing spontaneous intra-tumoural and subdural haemorrhage in the post-partum setting, to our knowledge not previously described, with review of pertinent literature.
January 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28081463/analysis-of-the-results-of-recurrent-intracranial-meningiomas-treated-with-re-radiosurgery
#11
Moinay Kim, Do Hee Lee, Hyun Jung Kim Rn, Young Hyun Cho, Jeong Hoon Kim, Do Hoon Kwon
OBJECTS: Meningioma is the most common intracranial neoplasm, comprising approximately 30% of all primary intracranial tumors (Claus et al., 2005) [1]. Treatment options include observation, microsurgical resection, stereotactic radiosurgery (SRS), and whole brain radiation therapy (WBRT). Gamma knife radiosurgery (GKRS) is a very effective treatment for intracranial meningiomas; previous studies showed the tumor control rate at 5-10 years of follow-up as 84.3%-100% in all cases (Feigl et al...
December 29, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28074281/one-step-cad-cam-titanium-cranioplasty-after-drilling-template-assisted-resection-of-intraosseous-skull-base-meningioma-technical-note
#12
A Carolus, S Weihe, K Schmieder, C Brenke
INTRODUCTION: Cranial defects following intra-osseous tumor removal may be large and require adequate reconstruction. CAD/CAM implants have been used for years to achieve an optimal cosmetic result. The disadvantage is that such implants require a second surgery. A preoperative virtual planning of resection margins and the simultaneously fabrication of the cranioplasty could be a possibility to subsume the steps tumor resection and cosmetic restoration to a single procedure. METHODS: We present two cases of patients with complex intra-osseous spheno-orbital meningioma...
January 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28071746/allergy-reduces-the-risk-of-meningioma-a-meta-analysis
#13
Peng-Fei Wang, Wen-Jun Ji, Xiao-Hui Zhang, Shou-Wei Li, Chang-Xiang Yan
Meningiomas are the most common brain tumours; however, little is known regarding their aetiology. The data are inconsistent concerning atopic disease and the risk of developing meningioma. Thus, we conducted a meta-analysis to investigate the association between allergic conditions and the risk of developing meningioma. A systematic literature search was conducted using PubMed and Web of SCI from Jan 1979 to Feb 2016. Two investigators independently selected the relevant articles according to the inclusion criteria...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28069420/the-authors-herby-confirm-that-this-manuscript-has-neither-been-published-nor-submitted-to-any-other-journal-confocal-laser-endomicroscopy-in-neurosurgery-an-alternative-to-instantaneous-sections
#14
David Breuskin, Jacek Szczygielski, Steffi Urbschat, Yoo-Jin Kim, Joachim Oertel
INTRODUCTION: Intraoperative distinction of brain tumor from the surround brain is one of the crucial challenges in neurooncological surgery. In this study, confocal laser endomicroscope (CLE) findings were directly compared with intraoperative instantaneous sections by the neuropathologist in a blinded fashion. MATERIAL AND METHODS: The imaging device comprises of a rigid endoscope with Hopkins-Rod lenses and a red wave length laser with a scanning depth of 80 μm...
January 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28062663/a-population-based-analysis-of-germline-bap1-mutations-in-melanoma
#15
Sally J O'Shea, Carla Daniela Robles-Espinoza, Lauren McLellan, Jeanine Harrigan, Xavier Jacq, James Hewinson, Vivek Iyer, Will Merchant, Faye Elliott, Mark Harland, D Timothy Bishop, Julia Newton-Bishop, David J Adams
Germline mutation of the BRCA1 associated protein-1 (BAP1) gene has been linked to uveal melanoma, mesothelioma, meningioma, renal cell carcinoma and basal cell carcinoma. Germline variants have also been found in familial cutaneous melanoma pedigrees, but their contribution to sporadic melanoma has not been fully assessed. We sequenced BAP1 in 1,977 melanoma cases and 754 controls and used deubiquitinase assays, a pedigree analysis, and a histopathological review to assess the consequences of the mutations found...
January 5, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28061500/collision-tumor-composed-of-meningioma-and-cavernoma
#16
Jens Weigel, Markus Neher, Michael Schrey, Peter H Wünsch, Hans-Herbert Steiner
A true collision tumor is a rare entity composed of two histologically distinct neoplasms coinciding in the same organ. This paper reports a unique case of cerebral collision tumor consisting of two benign components. On the first hand, meningioma which is usually a benign lesion arising from the meningothelial cell in the arachnoidal membrane. On the other, cerebral cavernoma which is a well-circumscribed, benign vascular hamartoma within the brain. To our knowledge, there is no previously documented case of cerebral collision tumor consisting of two benign components...
January 1, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28059629/extra-axial-ependymoma-of-the-cerebral-convexity-a-very-rare-intracranial-adult-tumor
#17
Soufiane Berhili, Abdellah Aissa, Selma Kadiri, Nadia Cherradi, Sanae El Majjaoui, Hanan El Kacemi, Tayeb Kebdani, Noureddine Benjaafar
Background Ependymomas are rare adult tumors that originate from the ventricular system or the ependymal surface of the central canal. Extra-axial supratentorial ependymomas are extremely rare, and only five cases have been reported to date in the English literature. Case presentation A 46-year-old previously healthy male presented with a gradual painless loss of vision in the right eye. Cerebral MRI showed a right parietal-occipital lesion resembling an atypical meningioma. Surgical resection was performed, and immunohistochemical staining results concluded that it was a very uncommon location of a grade 3 ependymoma...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28050415/primary-extracranial-meningioma-as-a-very-rare-cause-of-nasal-mass-and-epistaxis-in-an-elderly
#18
Raman Wadhera, Sharad Hernot, Madhuri Kaintura, Sandeep Bhukar, S Dheeraj
Meningioma is known to be an intracranial pathology, but it can also present extracranially. We report a case of a 55-year-old female who presented to the Ear, Nose and Throat (ENT) emergency with a complaint of epistaxis for 1 day. There was a 7-8years history of self-resolving intermittent epistaxis. Nasal examination revealed a mass from which biopsy was taken. The specimen showed meningioma on histopathological examination. The mass was excised by ENT surgeons through lateral rhinotomy incision. It was confirmed to be a meningioma by final histopathological examination...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28050111/a-rare-case-of-jugular-foramen-meningioma
#19
U Rajesh, Ajay Bisht, K P Shijith, Anurag Shukla
No abstract text is available yet for this article.
December 2016: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28048264/su-d-207b-02-early-grade-classification-in-meningioma-patients-combining-radiomics-and-semantics-data
#20
T Coroller, W Bi, M Abedalthagafi, A Aizer, W Wu, N Greenwald, R Beroukhim, O Al-Mefty, S Santagata, I Dunn, B Alexander, R Huang, H Aerts
PURPOSE: The clinical management of meningioma is guided by its grade and biologic behavior. Currently, diagnosis of tumor grade follows surgical resection and histopathologic review. Reliable techniques for pre-operative determination of tumor behavior are needed. We investigated the association between imaging features extracted from preoperative gadolinium-enhanced T1-weighted MRI and meningioma grade. METHODS: We retrospectively examined the pre-operative MRI for 139 patients with de novo WHO grade I (63%) and grade II (37%) meningiomas...
June 2016: Medical Physics
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