نتایج جستجو برای: Vestibular schwannoma

تعداد نتایج: 17887  

Journal: :iranian journal of otorhinolaryngology 0
mohammad faraji rad department of neurosurgery, mashhad university of medical sciences, mashhad, iran

acoustic neuromas (an) are schwann cell-derived tumors that commonly arise from the vestibular portion of the eighth cranial nerve also known as vestibular schwannoma(vs) causes unilateral hearing loss, tinnitus, vertigo and unsteadiness. in many cases, the tumor size may remain unchanged for many years following diagnosis, which is typically made by mri. in the majority of cases the tumor is s...

Introduction: Presence of vestibular schwannoma and a simultaneous glomus jugulare tumor is an extremely rare event. There is only one case report regarding the incidence of a contralateral vestibular schwannoma, along with a glomus jugulare tumor. Herein, we present the second case with a contralateral tumor.   Case Report: A 69-year-old woman presented with a long hist...

Journal: :Brazilian Journal of Health Review 2020

Journal: :BMC Neurology 2003
Behzad Eftekhar Mohammadreza Gheini Mohammad Ghodsi Ebrahim Ketabchi

BACKGROUND Vestibular schwannoma (acoustic neuroma) most commonly presents with ipsilateral disturbances of acoustic, vestibular, trigeminal and facial nerves. Presentation of vestibular schwannoma with contralateral facial pain is quite uncommon. CASE PRESENTATION Among 156 cases of operated vestibular schwannoma, we found one case with unusual presentation of contralateral hemifacial pain. ...

اکبرزاده باغبان, علیرضا, شریفیان البرزی, مرضیه, شعبانی, مسلم, پناهیان, مهدی,

Background and purpose: Vestibular Schwannoma (VS) is a lesion in peripheral vestibular system that leads to reduction of Vestibulo Ocular Reflex (VOR) gain and incidence of corrective saccades. Researches showed that the result of Video Head Impulse Test (VHIT) is positive in peripheral vestibular system disorders and negative in central vestibular system disorders. The aim of this study was t...

Journal: :Neurosurgery 2018
Jamie J Van Gompel Siviero Agazzi Matthew L Carlson Dare A Adewumi Constantinos G Hadjipanayis Joon H Uhm Jeffrey J Olson

Target Population Adults with histologically proven or suspected vestibular schwannomas with neurofibromatosis type 2 (NF2). Question What is the role of bevacizumab in the treatment of patients with vestibular schwannomas? Recommendations Level 3: It is recommended that bevacizumab be administered in order to radiographically reduce the size or prolong tumor stability in patients with NF2 ...

Journal: :Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery 2016
Ömer Hızlı Sebahattin Cureoglu Serdar Kaya Patricia A Schachern Michael M Paparella Meredith E Adams

OBJECTIVE Dizziness associated with vestibular schwannoma is usually ascribed to retrolabyrinthine mechanisms. The goal of this study was to determine if quantitative peripheral vestibular (labyrinthine) otopathology was present in a series of patients with vestibular schwannoma. STUDY DESIGN Comparative human temporal bone study. SETTING Otopathology laboratory. SUBJECTS AND METHODS Temp...

Journal: :AJNR. American journal of neuroradiology 2002
Katsuyuki Asaoka David M Barrs John H Sampson John T McElveen Debara L Tucci Takanori Fukushima

SUMMARY Three cases of intracanalicular meningioma mimicking vestibular schwannoma are presented. In each case, a contrast-enhancing mass filling the internal auditory canal was identified on MR images and was originally diagnosed as a vestibular schwannoma. Although it is difficult to differentiate definitively between these lesions preoperatively, imaging findings inconsistent with a diagnosi...

Journal: :American journal of epidemiology 2011
Joachim Schüz Marianne Steding-Jessen Søren Hansen Sven-Eric Stangerup Per Cayé-Thomasen Aslak Harbo Poulsen Jørgen H Olsen Christoffer Johansen

Vestibular schwannomas grow in the region within the brain where most of the energy by radiofrequency electromagnetic fields from using mobile phones is absorbed. The authors used 2 Danish nationwide cohort studies, one a study of all adult Danes subscribing for a mobile phone in 1995 or earlier and one on sociodemographic factors and cancer risk, and followed subjects included in both cohorts ...

Journal: :Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology 2003
Daniel J Lee William H Westra Hinrich Staecker Donlin Long John K Niparko William H Slattery

OBJECTIVE Stereotactic radiosurgery for vestibular schwannoma entails uncertain long-term risk of tumor recurrence and delayed cranial neuropathies. In addition, the underlying histopathologic changes to the tumor bed are not fully characterized. We seek to understand the clinical and histologic features of recurrent vestibular schwannoma after stereotactic radiation therapy. STUDY DESIGN Ret...

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