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Acoustic schwannoma

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https://www.readbyqxmd.com/read/29334639/vestibular-schwannoma-and-hearing-preservation-usefulness-of-level-specific-ce-chirp-abr-monitoring-a-retrospective-study-on-25-cases-with-preoperative-socially-useful-hearing
#1
Luciano Mastronardi, Ettore Di Scipio, Guglielmo Cacciotti, Raffaelino Roperto
BACKGROUND AND OBJECTIVES: Decision-making regarding the therapy of vestibular schwannoma (VS) changed over the last decades, during which curative microsurgery has been promoted. Goals of VS microsurgery are: extensive resection, facial nerve (FN) preservation and, in selected cases, hearing preservation (HP). The aim of this study is to evaluate postoperative HP with reference to tumor size in patients operated on with Level Specific (LS)-CE-Chirp® ABR monitoring. PATIENTS AND METHODS: Twentyfive consecutive patients with socially useful hearing (SUH) underwent VS microneurosurgery by retrosigmoid (RS) approach...
January 10, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29301504/nine-primary-malignant-neoplasms-involving-the-esophagus-stomach-colon-rectum-prostate-and-external-ear-canal-without-microsatellite-instability-a-case-report
#2
Keiichi Arakawa, Keisuke Hata, Yoko Yamamoto, Takeshi Nishikawa, Toshiaki Tanaka, Tomomichi Kiyomatsu, Kazushige Kawai, Hiroaki Nozawa, Masafumi Yoshida, Hiroshi Fukuhara, Mitsuhiro Fujishiro, Teppei Morikawa, Tatsuya Yamasoba, Kazuhiko Koike, Masashi Fukayama, Toshiaki Watanabe
BACKGROUND: Although cases of multiple primary malignant neoplasms are increasing, reports of more than three or four primary metachronous malignant neoplasms are extremely rare. Moreover, very few publications have provided a genetic mutational analysis or have evaluated risk factors associated with such neoplasms. We present an extremely rare case of nine primary malignant lesions in a man who was successfully treated. We also report on microsatellite stability status, analyze risk factors, and discuss the relevant literature...
January 4, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29288105/the-top-50-most-cited-articles-on-acoustic-neuroma
#3
Abrar Alfaifi, Othman Almutairi, Maha Allhaidan, Saad Alsaleh, Abdulrazzag Ajlan
BACKGROUND: Acoustic neuroma is the most common extra-axial primary cerebellopontine angle tumour in adults. A plethora of studies have been published about acoustic neuroma, but none of the previous works have highlighted the most influential articles. OBJECTIVES: Our objective was to perform a bibliometric analysis on the 50 most-cited articles concerning acoustic neuroma. METHODS: We performed a title-specific search on the Scopus database, using the following terms: 'acoustic neuroma,' 'vestibular schwannoma,' and 'cerebellopontine angle' as search queries...
December 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29246097/neurofibromatosis-clinical-trial-consortium
#4
Roger J Packer, Michael J Fisher, Gary Cutter, Karen Cole-Plourde, Bruce R Korf
Neurofibromatosis type 1 and type 2, affecting both children and adults, often results in devastating complications. The rapid unravelling of the genetic underpinnings of these unique disorders has led to the development of novel therapies, especially molecular-targeted therapies. To facilitate clinical trial development, the Neurofibromatosis Clinical Trial Consortium (NFCTC) was established in 2006 by the Department of Defense. Over the past decade, the Consortium has successfully completed studies for children and adults with neurofibromatosis type 1 and plexiform neurofibromas, neurocognitive challenges, low-grade gliomas, and malignant peripheral nerve sheath tumors...
January 2018: Journal of Child Neurology
https://www.readbyqxmd.com/read/29227438/transcanal-transpromontorial-acoustic-neuroma-surgery-results-and-facial-nerve-outcomes
#5
Daniele Marchioni, Davide Soloperto, Barbara Masotto, Cristoforo Fabbris, Stefano De Rossi, Domenico Villari, Livio Presutti
BACKGROUND: Recently, the transcanal approach for the removal of acoustic neuromas has been introduced. Facial nerve (FN) preservation is one of the main challenges of this kind of surgery. OBJECTIVE: To describe our experience in the surgical treatment of acoustic neuromas, focusing on the functional results of FN preservation after a transcanal approach. METHODS: A retrospective chart review was carried out on clinical data and videos from operations on 49 patients who underwent surgery with a totally transcanal exclusive endoscopic approach for Koos stage I-II lesions, or an enlarged transcanal transpromontorial approach for Koos stage II-III tumors, between March 2012 and February 2017...
February 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29208731/misleading-signs-in-acute-vertigo
#6
Sean Lance, Stuart Scott Mossman
The acute vestibular syndrome is common and usually has a benign cause. Sometimes, however, even experienced neurologists can find it difficult to determine the cause clinically. Furthermore, neuroimaging is known to be insensitive.We describe two cases of acute vestibular syndrome where conflicting clinical findings contributed to a delay in making the correct diagnosis. The first patient with symptomatic vertigo had signs consistent with horizontal benign paroxysmal positional vertigo but also had an abnormal horizontal head impulse test, superficially suggesting acute vestibular neuritis but later accounted for by the finding of a vestibular schwannoma (acoustic neuroma)...
December 5, 2017: Practical Neurology
https://www.readbyqxmd.com/read/29204019/histologically-confirmed-intracranial-tumors-managed-at-enugu-nigeria
#7
Chika Anele Ndubuisi, Samuel C Ohaegbulam, Linda U Iroegbu, Mike Ezeali Ekuma, Wilfred C Mezue, Uwadiegwu Alphonsus Erechukwu
Background: There is controversy about the global distribution of intracranial tumors (ICTs). The previous reports from Africa suggested low frequency and different pattern of distribution of brain tumors from what obtains in other continents. The limitations at that time, including paucity of diagnostic facilities and personnel, have improved. Objective: The objective of this study is to analyze the current trend and distribution of histology confirmed brain tumors managed in Enugu, in a decade...
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29109888/melanotic-schwannomas-are-rarely-seen-pigmented-tumors-with-unpredictable-prognosis-and-challenging-diagnosis
#8
Elif Keskin, Sumeyye Ekmekci, Ozgur Oztekin, Gulden Diniz
Melanotic Schwannoma (MS) is rarely seen and potentially malignant neoplasm that is categorized as a variant of Schwannoma. MS most frequently involves intracranial structures followed by posterior nerve roots in the spinal canal. Approximately 50% of the cases with MS have psammomatous calcifications and this type of MS is related to Carney complex with autosomal dominant inheritance. Most cases of MS are benign, though 10% of them are malignant with metastatic potential. MS mimics melanoma and the differential diagnosis should be made excluding other melanin producing neoplasms especially melanoma...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28983447/surgical-management-and-outcome-experience-of-53-cerebellopontine-angle-meningiomas
#9
Xiaosheng He, Weiping Liu, Yangang Wang, Jun Zhang, Buqing Liang, Jason H Huang
Background Meningiomas follow schwannomas as the second most common cerebellopontine angle (CPA) tumors. We investigate the diagnosis, management, and prognosis of this disease. Methods We reviewed the cases with the CPA meningiomas in our institution in Shaanxi, China from January 2012 to December 2015. Charts were retrospectively examined and patients were divided into two groups: 1) surgical treatment with a retrosigmoid approach for tumor resection and 2) stereotactic radiosurgery treatment only. Patients were followed up and outpatient records were also reviewed...
August 3, 2017: Curēus
https://www.readbyqxmd.com/read/28945052/negative-influence-of-preoperative-tinnitus-on-hearing-preservation-in-vestibular-schwannoma-surgery
#10
Luciano Mastronardi, Guglielmo Cacciotti, Raffaellino Roperto, Ettore DI Scipio
BACKGROUNDS: Goals of vestibular schwannoma (VS) microsurgery are: maximal resection, facial nerve (FN) preservation and, in selected cases, hearing preservation (HP). Postoperative HP rates are related to clinical and radiographic factors: size of tumor, preoperative hearing, hypertension, diabetes, and presence or absence of preoperative tinnitus. In this retrospective review we evaluated the influence of preoperative tinnitus on HP after VS surgery in patients with preoperative socially useful hearing (SUH)...
September 22, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28942100/doppler-ultrasonography-can-be-useful-to-determine-the-etiology-of-idiopathic-sudden-sensorineural-hearing-loss
#11
Ahmet Mutlu, Isa Cam, Sinem Dasli, Murat Topdag
OBJECTIVE: This study aims to evaluate clinical features of both carotid and vertebral arteries in the idiopathic sudden sensorineural hearing loss (ISSNHL) patients and healthy individuals to contribute additional knowledge on vascular compromise theory. METHODS: This study was designed as a retrospective case control study in a tertiary referral center. 55 patients for ISSNHL and 35 healthy participants (70 ears) are involved to the study. All of the patients were evaluated for the systemic disorders and excluded other possible causes (autoimmune diseases, acoustic schwannoma, drug toxicity, etc) of ISSNHL...
September 20, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28885483/assessing-readability-and-reliability-of-online-patient-information-regarding-vestibular-schwannoma
#12
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...
December 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28872162/conservative-treatment-of-vestibular-schwannoma-growth-and-penn-acoustic-neuroma-quality-of-life-scale-in-french-language
#13
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
#14
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...
November 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28820301/translabyrinthine-microsurgical-resection-of-small-vestibular-schwannomas
#15
Marc S Schwartz, Gregory P Lekovic, Mia E Miller, William H Slattery, Eric P Wilkinson
OBJECTIVE Translabyrinthine resection is one of a number of treatment options available to patients with vestibular schwannomas. Though this procedure is hearing destructive, the authors have noted excellent clinical outcomes for patients with small tumors. The authors review their experience at a tertiary acoustic neuroma referral center in using the translabyrinthine approach to resect small vestibular schwannomas. All operations were performed by a surgical team consisting of a single neurosurgeon and 1 of 7 neurotologists...
August 18, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28665390/-surgical-treatment-of-acoustic-neuromas-vestibular-schwannomas
#16
V N Shimanskiy, S V Tanyashin, K V Shevchenko, D A Odamanov
Clinical guidelines are topical systematically developed provisions designed to help the doctor make a decision about a treatment approach in certain clinical situations; they provide information on conducting diagnostic and screening tests, the amount of medical and surgical care, and other aspects of clinical practice. Vestibular schwannomas account for 8% of all intracranial lesions, up to 30% of posterior cranial fossa tumors, and 85% of cerebellopontine angle tumors. The incidence rate of acoustic neuromas is approximately 1 case per 100000 population per year...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28652945/spontaneous-intracranial-hypotension-after-vestibular-schwannoma-resection-due-to-an-unexpected-pathology-tarlov-cysts
#17
Seth E Pross, Jeffrey D Sharon, Michael Lim, Abhay Moghekar, Aruna Rao, John P Carey
While infrequent, cerebrospinal fluid (CSF) leaks are known to occur after surgical resection of vestibular schwannomas. Early signs of CSF leak often include headache and altered mental status. If untreated, life-threatening complications can occur, including brainstem herniation and meningitis. The appropriate surgical treatment for a CSF leak requires accurate localization of the source. While the most likely location of a CSF leak after lateral skull base surgery is through the aerated portions of the temporal bone, we present a unique case of a man with a prolonged CSF leak after an acoustic tumor removal who was ultimately found to have an occult spinal perineural (Tarlov) cyst as the source...
May 19, 2017: Curēus
https://www.readbyqxmd.com/read/28602150/translabyrinthine-vestibular-schwannoma-resection-with-simultaneous-cochlear-implantation
#18
Austin N DeHart, William C Broaddus, Daniel H Coelho
OBJECTIVES: (1) Report a rare case of translabyrinthine resection of a sporadic vestibular schwannoma (VS) and concurrent cochlear implantation (CI). (2) Discuss pre-, intra-, and post-operative considerations in this unique patient population. (3) Describe surgical and audiologic outcomes reported in this population. METHODS: Case report and review of the literature. PubMed search 'Cochlear Implantation'[Mesh] AND ('Neuroma, Acoustic'[Mesh] OR 'VESTIBULAR SCHWANNOMA'[All Fields] OR 'SCHWANNOMA'[All Fields]) limited to humans and English language...
June 12, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28573451/-quality-of-life-in-patients-with-vestibular-schwannoma
#19
REVIEW
I Baumann, P K Plinkert
BACKGROUND: Vestibular schwannoma (VS) is a disease which might affect health-related quality of life (HR-QOL) in a negative manner. For many years, only generic quality of life instruments such as SF-36 were available to measure HR-QOL. However, some years ago, the Penn Acoustic Neuroma Quality Of Life (PANQOL) tool, a disease-specific instrument, was developed and validated. It is expected that the application of this instrument will be able to better assess relevant aspects of the HR-QOL of VS patients in the future...
September 2017: HNO
https://www.readbyqxmd.com/read/28530253/sensitivity-and-specificity-of-vestibular-bed-side-examination-in-detecting-viii-cranial-nerve-schwannoma-with-sensorineural-sudden-unilateral-hearing-loss-as-presenting-symptom
#20
L Califano, F Salafia, M G Melillo, S Mazzone
The objectives of this study were to identify signs of vestibular nerve suffering through a bedside vestibular examination protocol in case of sudden sensorineural unilateral hearing loss without spontaneous signs of vestibular impairment and to propose a bed-side vestibular examination based protocol for the focused execution of gadolinium-enhanced magnetic resonance imaging (MRI) only if a vestibular schwannoma is suspected. 96 patients, 52 men, 44 women, mean age 57.73 +/- 12.85 years, suffering from sudden sensorineural unilateral hearing loss, which presented neither vertigo nor spontaneous nystagmus, were enrolled...
August 2017: Acta Otorhinolaryngologica Italica
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