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Vestibular schwannoma

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https://www.readbyqxmd.com/read/28917252/stereotactic-radiosurgery-of-the-brain-a-review-of-common-indications
#1
Philip Gilbo, Isabella Zhang, Jonathan Knisely
Over the past half-century since Lars Leksell first utilized radiation to address deep and difficult to treat lesions of the central nervous system (CNS), intracranial stereotactic radiosurgery (SRS) has become an increasingly valued tool in the hands of neurosurgeons and radiation oncologists. Following developments in medical imaging and radiation technology, radiosurgery has evolved from its first application in movement disorders to widespread use for a varied range of malignant and benign conditions. SRS remains a powerful, minimally invasive instrument that offers additional options for intervention to a diverse patient population...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28910605/risk-factors-for-postoperative-pneumonia-after-microsurgery-for-vestibular-schwannoma
#2
Chenghong Wang, Tengfei Li, Shaozhou Tang, Yuekang Zhang
OBJECTIVES: Postoperative complications occurred in about 30% patients after vestibular schwannoma (VS) microsurgical excision. Although many specific complications have been extensively studied, postoperative pneumonia (POP) has received little attention. This study was designed to identify the risk factors for POP after microsurgery for VS. PATIENTS AND METHODS: Patients undergoing VS microsurgical resection (n=244) between December 2014 and November 2016 at West China Hospital of Sichuan University were retrospectively assessed for POP...
September 11, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28900754/surgery-versus-stereotactic-radiosurgery-for-the-treatment-of-multiple-meningiomas-in-neurofibromatosis-type-2-illustrative-case-and-systematic-review
#3
REVIEW
Thien Nguyen, Lawrance K Chung, John P Sheppard, Nikhilesh S Bhatt, Cheng Hao Jacky Chen, Carlito Lagman, Tania Kaprealian, Percy Lee, Phioanh L Nghiemphu, Isaac Yang
Neurofibromatosis type 2 (NF2) is a genetic neoplastic disorder that presents with hallmark bilateral vestibular schwannomas and multiple meningiomas. Though the current standard of care for meningiomas includes surgery, the multiplicity of meningiomas in NF2 patients renders complete resection of all developing lesions infeasible. Stereotactic radiosurgery (SRS) may be a viable non-invasive therapeutic alternative to surgery. We describe a particularly challenging case in a 39-year-old male with over 120 lesions who underwent more than 30 surgical procedures, and review the literature...
September 13, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28892717/predictors-of-hearing-outcomes-following-low-dose-stereotactic-radiosurgery-in-patients-with-vestibular-schwannomas-a-retrospective-cohort-review
#4
Ryh-Hsin Lin, Tang-Chuan Wang, Chia-Der Lin, Hung-Lin Lin, Hsiung-Kwang Chung, Ching-Yuang Wang, Yung-An Tsou, Ming-Hsui Tsai
OBJECTIVES: Hearing deterioration is a major concern for hearing-preserved patients with vestibular schwannomas who are treated with stereotactic radiosurgery (SRS). Thus, determining which patients are more likely to have worse hearing outcomes following SRS may facilitate clinicians in deciding whether conservative policy should be applied in the interest of hearing preservation. This study aimed to define the predictors of hearing outcomes following SRS. PATIENTS AND METHODS: This retrospective study included 100 patients who underwent low-dose SRS (12- to 13-Gy marginal dose) for vestibular schwannomas between January 2004 and January 2014...
September 5, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28891872/vertigo-in-vestibular-schwannoma-patients-due-to-other-pathologies
#5
Ronald Sahyouni, Omid Moshtaghi, Yarah M Haidar, Hossein Mahboubi, Afsheen Moshtaghi, Harrison W Lin, Hamid R Djalilian
OBJECTIVE: To report findings from a cohort of vestibular schwannoma (VS) patients presenting with vertigo from a secondary comorbid vestibular disorder; and to discuss management strategies for this subset of patients presenting with both episodic vertigo and VS. PATIENTS: All VS patients who presented with vertigo as the primary symptom from 2012 to 2015 and endorsing no other major complaints were examined. INTERVENTION: Treatment with migraine lifestyle and prophylactic therapy, or Epley maneuver...
September 7, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28885483/assessing-readability-and-reliability-of-online-patient-information-regarding-vestibular-schwannoma
#6
Harry Spiers, Nikul Amin, Raj Lakhani, Andrew J Martin, Parag M Patel
HYPOTHESIS: The aim of this study is to objectively assess the quality and readability of websites related to vestibular schwannomas. BACKGROUND: Patients are increasingly seeking information on confirmed or suspected diagnoses through the Internet. Clinicians are often concerned regarding the accuracy, quality, and readability of web-based sites. METHODS: Online information relating to vestibular schwannoma was searched using the three most popular search engines...
September 6, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28882713/a-systematic-review-of-radiosurgery-versus-surgery-for-neurofibromatosis-type-2-vestibular-schwannomas
#7
REVIEW
Lawrance K Chung, Thien P Nguyen, John P Sheppard, Carlito Lagman, Stephen Tenn, Percy Lee, Tania Kaprealian, Robert Chin, Quinton Gopen, Isaac Yang
OBJECTIVE: Neurofibromatosis type 2 (NF2) is an autosomal dominant disease characterized by bilateral vestibular schwannomas (VS). NF2-associated VS (NF2-VS) are routinely treated with microsurgery; however, stereotactic radiosurgery (SRS) has emerged as an effective alternative in recent decades. To better elucidate the role of SRS in NF2-VS, a systematic review of the literature was conducted to compare outcomes of SRS versus surgery. METHODS: PubMed, Web of Science, Scopus, Embase, and Cochrane databases were queried using relevant search terms...
September 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28879582/-vestibular-schwannoma-part%C3%A2-2
#8
EDITORIAL
S K Plontke, D Eßer, S Rosahl
No abstract text is available yet for this article.
September 2017: HNO
https://www.readbyqxmd.com/read/28875382/-tumors-of-the-inner-ear-and-adjacent-structures
#9
REVIEW
J Schittenhelm
Tumors of the inner ear and adjacent structures often present with hearing loss, tinnitus and vertigo due to compression of the traversing cranial nerves. More than 90% of the tumors of the inner ear with or without expansion into the cerebellopontine angle are histologically diagnosed as vestibular schwannomas. Less common tumorous lesions include ectopic meningiomas located in the petrous bone, glomus tympanicum paragangliomas or endolymphatic sac tumors (ELST) originating in the vestibular recess. Most tumors are sporadic, but hereditary disorders have to be considered...
September 5, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28872162/conservative-treatment-of-vestibular-schwannoma-growth-and-penn-acoustic-neuroma-quality-of-life-scale-in-french-language
#10
P A Oddon, M Montava, F Salburgo, M Collin, C Vercasson, J P Lavieille
The aim of this study was to determine the natural history of growth and quality of life (QoL) outcomes for vestibular schwannoma (VS) managed conservatively, and to validate the disease-specific Penn Acoustic Neuroma Quality-of-Life (PANQOL) scale in French language. We retrospectively studied 26 patients with VS managed conservatively. Patient characteristics and radiological findings were collected. Two scales were used to measure QoL: the Short Form-36 Health Survey (SF-36) and the PANQOL scale translated into French...
August 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28861705/multistep-translation-and-cultural-adaptation-of-the-penn-acoustic-neuroma-quality-of-life-scale-for-german-speaking-patients
#11
Julia Kristin, Marcel Fabian Glaas, Igor Stenin, Angelika Albrecht, Thomas Klenzner, Jörg Schipper, Katrin Eysel-Gosepath
BACKGROUND: Monitoring the health-related quality of life (HRQOL) for patients with vestibular schwannoma (VS) has garnered increasing interest. In German-speaking countries, there is no disease-specific questionnaire available similar to the "Penn Acoustic Neuroma Quality-of-life Scale" (PANQOL). METHOD: We translated the PANQOL for German-speaking patients based on a multistep protocol that included not only a forward-backward translation but also linguistic and sociocultural adaptations...
August 31, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28859201/characterization-of-head-trunk-coordination-deficits-after-unilateral-vestibular-hypofunction-using-wearable-sensors
#12
Serene S Paul, Leland E Dibble, Raymond G Walther, Clough Shelton, Richard Klaus Gurgel, Mark E Lester
Importance: Individuals with vestibular hypofunction acutely restrict head motion to reduce symptoms of dizziness and nausea. This restriction results in abnormal decoupling of head motion from trunk motion, but the character, magnitude, and persistence of these deficits are unclear. Objective: To use wearable inertial sensors to quantify the extent of head and trunk kinematic abnormalities in the subacute stage after resection of vestibular schwannoma (VS) and the particular areas of deficit in head-trunk motion...
August 31, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28847128/in-reply-to-indication-of-surgical-management-of-vestibular-schwannoma-in-the-older-age-group-mysteries-still-unsolved
#13
LETTER
Christian A Bowers, Richard K Gurgel, Joel D MacDonald
No abstract text is available yet for this article.
September 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28847113/in-reply-to-predicting-shape-location-and-course-of-facial-nerve-in-relation-to-large-vestibular-schwannoma-on-diffusion-tensor-imaging-with-intraoperative-correlation-important-surgical-adjunct
#14
LETTER
https://www.readbyqxmd.com/read/28847112/predicting-shape-location-and-course-of-facial-nerve-in-relation-to-large-vestibular-schwannoma-on-diffusion-tensor-imaging-with-intraoperative-correlation-important-surgical-adjunct
#15
LETTER
https://www.readbyqxmd.com/read/28840085/-pure-suprasellar-schwannoma-presented-with-communicating-hydrocephalus-a-case-report
#16
Tomoya Oishi, Seiya Takehara, Yasuhiro Yamamura, Mamoru Tomida, Shinji Ito, Ken Kuriki, Hiroki Namba
Schwannoma is a benign peripheral nerve sheath tumor originating from Schwann cells. Most intracranial schwannomas arise from vestibular nerve and schwannoma in the suprasellar region is extremely rare. A 64-year-old man presented with walking disturbance and blurred vision for three months. Lateral hemianopsia in the left eye and brachybasia were observed. Magnetic resonance imaging revealed a suprasellar tumor with strong contrast enhancement associated with communicating hydrocephalus. The cerebrospinal fluid tap test improved gait disturbance...
July 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28840075/vestibular-schwannoma-appears-to-be-very-rare-in-a-region-of-sub-saharan-africa
#17
S Ohaegbulam, O Okwunodulu, C Ndubuisi, W Mezue, M Chikani, S Nkwerem, M Ekuma
BACKGROUND: Vestibular schwannoma (VS) is a significant neurosurgical problem hence it enjoys a special attention at conferences and workshops. It accounts for about 8-10% of all intracranial tumors with an annual incidence of about 11-14 per million per year. Most VS are sporadic with 5-10% attributed to neurofibromatosis type 2 (NF2). However, VS is alleged to be rare in Africans and uncommon in African Americans, connoting a racial bias. To our knowledge, no study from sub-Saharan Africa has addressed this subject...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28838116/surgery-after-primary-radiation-treatment-for-sporadic-vestibular-schwannomas-case-series
#18
Jonathan D Breshears, Joseph A Osorio, Steven W Cheung, Igor J Barani, Philip V Theodosopoulos
BACKGROUND: As radiation has become an increasingly popular primary treatment option for sporadic vestibular schwannomas, there is a minority of tumors that do not respond favorably to radiation. Data on repeat radiosurgery are emerging, and salvage surgery has been associated with increased technical difficulty and poor facial nerve outcomes. OBJECTIVE: To review the current literature and report our results with surgical resection of sporadic vestibular schwannomas that have failed primary radiation treatment...
August 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28834919/a-case-of-neurofibromatosis-type-2-with-unusual-clinical-features
#19
Mohamma Zarei, Parisa Hamzeloui, Ramak Rooipoor, Masoud Aghsaei Fard
PURPOSE: To report a case of a neurofibromatosis Type 2 with unusual clinical features. METHODS: Observational clinical case report. RESULTS: A 22-year-old woman was referred with bilateral blurred vision and macular "scars." Ocular examination revealed bilateral posterior subcapsular and cortical cataract, optic disk swelling, hyperpigmented macular lesions, epiretinal membrane, and macular temporal dragging. Spectral-domain optical coherence tomographic imaging showed bilateral epiretinal membranes, peripapillary nerve fiber layer thickening, and vitreoretinal tractional bands...
August 21, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28834261/potential-savings-in-the-diagnosis-of-vestibular-schwannoma
#20
Mirre Scholte, Mayke A Hentschel, Henricus P Kunst, Stefan C A Steens, Maroeska M Rovers, Janneke P C Grutters
Magnetic resonance imaging (MRI) is used to screen patients at risk for vestibular schwannoma (VS). These MRIs are costly and have an extremely low yield; only 3% of patients in the screening population has an actual VS. It might be worthwhile to develop a test to predict VS, and refer only a subset of all patients for MRI. OBJECTIVE: To examine the potential savings of such a hypothetical diagnostic test before MRI. DESIGN: We built a decision analytical model of the diagnostic strategy of VS...
August 18, 2017: Clinical Otolaryngology
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