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Acoustic neuromas, vestibular schwannoma

Géke Soulier, Bibian M van Leeuwen, Hein Putter, Jeroen C Jansen, Martijn J A Malessy, Peter Paul G van Benthem, Andel G L van der Mey, Anne M Stiggelbout
Objective In vestibular schwannoma treatment, the choice among treatment modalities is controversial. The first aim of this study was to examine the quality of life of patients with vestibular schwannoma having undergone observation, radiation therapy, or microsurgical resection. The second aim was to examine the relationship between perceived symptoms and quality of life. Last, the association between quality of life and time since treatment was studied. Study Design Cross-sectional study. Setting Tertiary referral center...
March 1, 2017: Otolaryngology—Head and Neck Surgery
Maria Del Mar Medina, Alvaro Carrillo, Ruben Polo, Borja Fernandez, Daniel Alonso, Miguel Vaca, Adela Cordero, Cecilia Perez, Alfonso Muriel, Ignacio Cobeta
Objective To perform translation, cross-cultural adaptation, and validation of the Penn Acoustic Neuroma Quality-of-Life Scale (PANQOL) to the Spanish language. Study Design Prospective study. Setting Tertiary neurotologic referral center. Subjects and Methods PANQOL was translated and translated back, and a pretest trial was performed. The study included 27 individuals diagnosed with vestibular schwannoma. Inclusion criteria were adults with untreated vestibular schwannoma, diagnosed in the past 12 months...
January 1, 2017: Otolaryngology—Head and Neck Surgery
I Todt, G Rademacher, P Mittmann, S Mutze, A Ernst
BACKGROUND: Assessment of the internal auditory canal (IAC) and cochlea is of central importance in neurotology. The artefacts and visibility of active auditory implants on magnetic resonance imaging (MRI) vary because of their specific magnetic components. Knowledge of the size of MRI artefacts and the options for handling them is important for the auditory rehabilitation of specific diseases (e. g., vestibular schwannoma). METHODS: The current article is a literature review...
January 23, 2017: HNO
Pukhraj Rishi, Raj Shri Hirawat, Aditya Verma
Neurofibromatosis type 2 (NF-2) is characterized by multifocal proliferation of neural crest-derived cells. The characteristics finding of NF-2 is bilateral vestibular schwannomas. Combined hamartoma of retina and retinal epithelium (CHRRPE) is another associated finding. A 9 year-old-male child presented with left eye decreased vision for 3 months. Visual acuity was 0.0 and 0.8 LogMAR in the right and left eye, respectively. Left fundus showed an elevated, pigmented lesion with surface wrinkling and vascular tortuosity suggestive of CHRRPE with multiple presumed retinal astrocytic proliferations in mid-periphery...
November 2016: Indian Journal of Ophthalmology
I Todt, G Rademacher, P Mittmann, S Mutze, A Ernst
BACKGROUND: Assessment of the internal auditory canal (IAC) and the cochlea is of central importance in neurotology. The artefacts and visibility of the different types of active auditory implants in MRI vary, due to their specific ferromagnetic components. Knowledge of the size of MRI artefacts and the options for handling these is important for the auditory rehabilitation of specific diseases (e. g., vestibular schwannoma). METHODS: The current paper is a literature review RESULTS: MRI assessment of the IAC and cochlea after surgical placement of an active auditory implant is feasible only with a percutaneous bone-anchored hearing aid (BAHA, Ponto)...
December 5, 2016: HNO
Abhijit Warade, Pawan Chawla, Anshu Warade, Ketan Desai
INTRODUCTION: Contralateral ear hearing loss (CHL) is an extremely rare but a potentially devastating complication in a patient with already compromised hearing due to a Vestibular schwannoma (VS). Our patient had CHL accompanied by contralateral facial palsy. Our case is only the second case reported in literature to the best of our knowledge. PRESENTATION OF CASE: A 55-year elderly male presented with right sided sensorineural hearing loss, cerebellar signs and Grade II House & Brackmann (H&B) facial nerve weakness for last1-year...
2016: International Journal of Surgery Case Reports
Luxin Yin, Zhenyu Ma, Chunde Li, Shiqi Luo
AIM: We investigated the clinical presentation and management issues of unilateral vestibular schwannomas in childhood without evidence of neurofibromatosis. MATERIAL AND METHODS: Ten pediatric patients with unilateral vestibular schwannomas and no evidence of neurofibromatosis were treated by the senior author at Tiantan Hospital from January 1994 to December 2014. The clinical manifestations, neuroimaging findings, treatment methods, and therapeutic results were retrospectively reviewed...
December 28, 2015: Turkish Neurosurgery
Daniele Marchioni, Marco Carner, Alessia Rubini, João Flávio Nogueira, Barbara Masotto, Matteo Alicandri-Ciufelli, Livio Presutti
Surgical approaches to vestibular schwannomas (VS) are widely known and extensively recorded. For the first time, an exclusive endoscopic approach to the internal acoustic canal (IAC) was described and used to safely remove a cochlear schwannoma involving IAC in March 2012. The aim of this article was to summarize indications and technique to treat intracanalicular VS by transcanal/transpromontorial endoscopic approach. Because management of intracanalicular VSs is complex and strongly debated, this kind of therapeutic option in the appropriate and selected cases could modify classic concepts of the management of this pathology...
October 2016: Otolaryngologic Clinics of North America
L Y Hu, Z Y Wang, Q Q Hua
It has been over 200 years since the acoustic neuroma(AN) was firstly reported. From simply describing its symptoms to the decline of surgical mortality, the protection of facial and acoustic nerve function, as well as the improvement of the patients' quality of life. Physicians made efforts on evolving the diagnostic techniques and treatment strategies, and a better understanding of AN's development. The current major managements of AN are microsurgery, stereotactic radiosurgery, and follow-up. We reviewed the AN's history and prospected its future managements...
June 7, 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
Giuseppina Apicella, Marina Paolini, Letizia Deantonio, Laura Masini, Marco Krengli
BACKGROUND: The management of vestibular schwannoma is still a quite controversial issue and can include wait and see policy, surgery and radiotherapy, mainly with stereotactic technique. The purpose of this study is to review the results of recent clinical series treated by radiotherapy. MATERIALS AND METHODS: Literature search was performed by Pubmed and Scopus by using the words "vestibular schwannoma, acoustic neuroma, radiotherapy, radiosurgery". RESULTS: Management options of VS include wait and see, surgery and radiotherapy...
July 2016: Reports of Practical Oncology and Radiotherapy
Or Cohen-Inbar
UNLABELLED: GENERAL: Treatment of vestibular schwannoma (VS) via microsurgery, radiosurgery (SRS), or fractionated radiotherapy (FRT), is advocated for symptomatic patients or those with rapid tumor growth, despite older age and comorbidities. VS growth rate >2.5 mm/year is associated with lower hearing preservation rates. Regardless of growth rate, conservative management is associated with a progressive hearing loss, ranging 2.77-5.39 dB/year. MICROSURGERY: The retrosigmoid approach is associated with higher hearing preservation and facial nerve function rates for VS >1...
March 2016: Harefuah
Kathryn Y Noonan, Cong Rang, Katherine Callahan, Nathan E Simmons, Kadir Erkmen, James E Saunders
OBJECTIVES: This study compares the functional outcomes of nevus intermedius impairment following surgery, radiation, or observation for the treatment of vestibular schwannoma. STUDY DESIGN: Retrospective cohort study. SETTINGS: Tertiary care medical center. SUBJECTS AND METHODS: We retrospectively examined 141 charts of patients with a vestibular schwannoma seen in the Dartmouth-Hitchcock Acoustic Neuroma Clinic between 2012 and 2014...
October 2016: Otolaryngology—Head and Neck Surgery
K A Peng, E P Wilkinson
OBJECTIVE: To undertake a systematic review of the role of microsurgery, in relation to observation and stereotactic radiation, in the management of small vestibular schwannomas with serviceable hearing. METHODS: The Medline database was searched for publications that included the terms 'vestibular schwannoma' and/or 'acoustic neuroma', occurring in conjunction with 'hearing'. Articles were manually screened to identify those concerning vestibular schwannomas under 1...
July 2016: Journal of Laryngology and Otology
Leire Alvarez, Ane Ugarte, Miren Goiburu, Iratxe Urreta Barallobre, Xabier Altuna
INTRODUCTION: Tinnitus is one of the primary symptoms of vestibular schwannoma (VS) and the effect of surgery is unpredictable. MATERIALS AND METHODS: We conducted a prospective study of the patients who underwent a translabyrinthine approach for the treatment of their VS (2009-2013) at our Hospital. Patients answered the Tinnitus Handicap Inventory (THI) questionnaire pre- and postoperatively. The clinical charts provided data such as age, gender, tumour size, preoperative audiometry and postoperative facial function...
November 2016: Acta Otorrinolaringológica Española
Luciano Mastronardi, Guglielmo Cacciotti, Ettore Di Scipio, Giuseppe Parziale, Raffaelino Roperto, Maria Pia Tonelli, Ettore Carpineta
AIMS: We performed a retrospective non-randomized study to analyze the results of microsurgery of acoustic neuromas (AN) using two different flexible hand-held laser fibers, CO2 (Omniguide(®)) and 2μ-Thulium (Revolix jr(®)). METHODS: From September 2010 to June 2015, 84 patients suffering from AN have been operated on with microsurgical technique via retrosigmoid (RS) approach. In 42 cases tumor resection was performed with the assistance of hand-held flexible laser (L-group): in 8 cases CO2-fiber and in 34 2μ-Thulium-fiber...
June 2016: Clinical Neurology and Neurosurgery
Berkcan Akpinar, Seyed H Mousavi, Michael M McDowell, Ajay Niranjan, Amir H Faraji, John C Flickinger, L Dade Lunsford
PURPOSE: Vestibular schwannomas (VS) are increasingly diagnosed in patients with normal hearing because of advances in magnetic resonance imaging. We sought to evaluate whether stereotactic radiosurgery (SRS) performed earlier after diagnosis improved long-term hearing preservation in this population. METHODS AND MATERIALS: We queried our quality assessment registry and found the records of 1134 acoustic neuroma patients who underwent SRS during a 15-year period (1997-2011)...
June 1, 2016: International Journal of Radiation Oncology, Biology, Physics
Ashkan Monfared, Carlton E Corrales, Philip V Theodosopoulos, Nikolas H Blevins, John S Oghalai, Samuel H Selesnick, Howard Lee, Richard K Gurgel, Marlan R Hansen, Rick F Nelson, Bruce J Gantz, Joe W Kutz, Brandon Isaacson, Peter S Roland, Richard Amdur, Robert K Jackler
BACKGROUND: Patients with large vestibular schwannomas are at high risk of poor facial nerve (cranial nerve VII [CNVII]) function after surgery. Subtotal resection potentially offers better outcome, but may lead to higher tumor regrowth. OBJECTIVE: To assess long-term CNVII function and tumor regrowth in patients with large vestibular schwannomas. METHODS: Prospective multicenter nonrandomized cohort study of patients with vestibular schwannoma ≥2...
August 2016: Neurosurgery
Stephen J Broomfield, Gerard M O'Donoghue
OBJECTIVE: To assess patient-reported outcomes and experience of vestibular schwannoma (VS) management. STUDY DESIGN: Survey of members of the British Acoustic Neuroma Association (BANA). METHODS: Members of the BANA were invited to complete an online survey. Questions were divided into five areas: Demographic details; symptoms at diagnosis; level of information received; treatment after-effects; and overall experience of diagnosis and/or treatment...
June 2016: British Journal of Neurosurgery
Sérgio Duarte-Costa, Rui Vaz, Débora Pinto, Fernando Silveira, António Cerejo
BACKGROUND: Despite routine use of intraoperative neuromonitoring in acoustic neuroma removal, its application in predicting long-term facial function is limited. METHODS: Prospective recording of facial nerve function and subsequent review of intraoperative neurophysiologic data. Stimulation of the facial nerve was performed proximal and distal to the tumor locus after tumor removal with measurement of amplitude and latency responses in the orbicularis oculi and oris muscles...
November 2015: Acta Neurochirurgica
George Scangas, Aaron Remenschneider, Felipe Santos
Objective Lipochoristomas comprise 0.1% of all cerebellopontine angle tumors and may be misdiagnosed as vestibular schwannomas. We describe a lipochoristoma of the internal auditory canal (IAC) and present the salient features of the evaluation, diagnosis, and management. Study Design and Methods Retrospective case review. Results (Case Report) A 51-year-old woman presented with left-sided severe hearing loss, tinnitus, mild episodic vertigo, and facial paresthesias progressive over 1 year. Magnetic resonance imaging (MRI) demonstrated a small (5 × 4 mm) T1 hyperintense lobulated lesion in the distal internal auditory canal...
July 2015: Journal of Neurological Surgery Reports
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