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Acoustic neuroma

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https://www.readbyqxmd.com/read/29436268/patient-decision-making-in-vestibular-schwannoma-a-survey-of-the-acoustic-neuroma-association
#1
Omid Moshtaghi, Khodayar Goshtasbi, Ronald Sahyouni, Harrison W Lin, Hamid R Djalilian
Objective To assess the decision-making process of patients with vestibular schwannoma (VS). Study Design Patients with VS completed a voluntary survey over a 3-month period. Setting Surveys were distributed online through email, Facebook, and member website. Subjects and Methods All patients had a diagnosis of VS and were members of the Acoustic Neuroma Association (ANA). A total of 789 patients completed the online survey. Results Of the 789 participants, 474 (60%) cited physician recommendation as a significant influential factor in deciding treatment...
February 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29420377/modified-lengthening-temporalis-myoplasty-involving-an-extended-lazy-s-incision-to-avoid-facial-scar-formation
#2
Tomito Oji, Akiteru Hayashi, Akihiro Ogino, Kiyoshi Onishi
BACKGROUND: Lengthening temporalis myoplasty is a faster and less invasive alternative to free muscle transfer for smile reconstruction. However, it requires a nasolabial fold incision, which leaves a midfacial scar. Based on esthetic considerations, a modified approach, involving an extended lazy-S (parotidectomy) incision instead of a nasolabial fold incision, was developed. METHODS: A cadaveric study involving 10 hemifaces was conducted. From February 2013 to March 2016, the modified lengthening temporalis myoplasty procedure was employed in 10 patients...
February 7, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29400585/fatal-collision-are-wireless-headsets-a-risk-in-treating-patients
#3
Cindy Sage, Lennart Hardell
Wireless-enabled headsets that connect to the internet can provide remote transcribing of patient examination notes. Audio and video can be captured and transmitted by wireless signals sent from the computer screen in the frame of the glasses. But using wireless glass-type devices can expose the user to a specific absorption rates (SAR) of 1.11-1.46 W/kg of radiofrequency radiation. That RF intensity is as high as or higher than RF emissions of some cell phones. Prolonged use of cell phones used ipsilaterally at the head has been associated with statistically significant increased risk of glioma and acoustic neuroma...
February 5, 2018: Electromagnetic Biology and Medicine
https://www.readbyqxmd.com/read/29388340/early-history-of-the-different-forms-of-neurofibromatosis-from-ancient-egypt-to-the-british-empire-and-beyond-first-descriptions-medical-curiosities-misconceptions-landmarks-and-the-persons-behind-the-syndromes
#4
REVIEW
Martino Ruggieri, Andrea D Praticò, Rosario Caltabiano, Agata Polizzi
The earliest examples of neurofibromatosis (in this case type 1, NF1) can be traced in the Ebers Papyrus (Ancient Egypt, 1.500 B.C.), in a Hellenistic statuette (Smyrna, 323 B.C.), in the coinage of the Parthians kings (247 B.C.) and in some 13th century monks' drawings. These earlier examples are somewhat less well defined as compared to the most recent better defined reports credited as having NF1 including an Inca child mummy (1480-1650 AD), Ulisse Aldrovandi's homuncio ("Monstrorum Historia", 1592 A.D.) with mosaic NF1 or the illustrations seen in the 18th century "Buffon's Histoire Naturelle" and "Cruveilhier's Anatomie Pathologique du Corps Human"...
February 1, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29380892/masseteric-cooptation-and-crossfacial-nerve-grafting-is-it-still-applicable-22%C3%A2-months-after-the-onset-of-facial-palsy
#5
B Bianchi, A Varazzani, G Pedrazzi, V Poddi, S Ferrari, B Brevi, A Ferri
BACKGROUND: Eighteen months is usually considered the cutoff time within which recovery of the mimic muscle remains possible using facial nerve cooptation. Few reports on the use of cooptation after this interval have appeared. Purpose of this study is to investigate the feasibility of this procedure also after 22 months. METHODS: Six patients treated via crossfacial nerve grafting between healthy and paralyzed middle and middle-upper facial nerve branches and masseteric cooptation of the main trunk of the paralyzed facial nerve between 20 and 24 months after the onset of palsy were analyzed...
January 30, 2018: Microsurgery
https://www.readbyqxmd.com/read/29348989/signs-and-symptoms-of-acoustic-neuroma-at-initial-presentation-an-exploratory-analysis
#6
Robert W Foley, Shahram Shirazi, Robert M Maweni, Kay Walsh, Rory McConn Walsh, Mohsen Javadpour, Daniel Rawluk
Introduction The objective of this study was to describe the most common clinical features associated with an acoustic neuroma diagnosis and to identify those features associated with larger tumour size at initial diagnosis. Methods The clinical information of 945 consecutive patients diagnosed with acoustic neuroma at a single centre between 1992 and 2015 was analysed. Clinical features were examined and the relationship between these features and tumour size (>2.5 cm) was analysed using descriptive statistics and logistic regression analysis...
November 15, 2017: Curēus
https://www.readbyqxmd.com/read/29344474/corneal-myofibroma-keloid-in-a-young-patient-with-neurofibromatosis-type-2
#7
Lisa Zimmermann, Thomas Reinhard, Clemens Lange, Steffen Heegaard, Claudia Auw-Haedrich
We present a 27-year-old male patient with neurofibromatosis type 2 (NF2), facial palsy, and lagophthalmos following acoustic neuroma removal and an impressing vascularized corneal tumor, which was excised. Histology showed a fibrous tumor with small vessels, and immunohistochemistry was positive for vimentin and negative for smooth muscle actin, S100, and GFAP. We assume a corneal myofibroma (keloid), which in this case rather represents a reactive lesion. This entity has not been described before in NF2 or in facial palsy-associated lagophthalmos in general...
November 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29330600/the-impact-of-acoustic-neuroma-on-long-term-quality-of-life-outcomes-in-the-united-kingdom
#8
Wouter L Lodder, Bernard F A M van der Laan, Tristram H Lesser, Samuel C Leong
OBJECTIVE: To quantify the impact of acoustic neuroma on the quality-of-life (QOL) patients in the United Kingdom. STUDY DESIGN: Online questionnaire survey. PATIENTS: Members of the British Acoustic Neuroma Association received PANQOL questionnaires. RESULTS: Of the 880 BANA members contacted, 397 (45.1%) responded, although only 359 had complete datasets for analysis. Composite QOL scores were as follows: for microsurgery 58 (SD 35), for radiotherapy 56 (SD18), for combination of surgery and radiotherapy 49 (SD 14), and for the observation group 54 (SD 20)...
January 12, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29288105/the-top-50-most-cited-articles-on-acoustic-neuroma
#9
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/29227438/transcanal-transpromontorial-acoustic-neuroma-surgery-results-and-facial-nerve-outcomes
#10
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
#11
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/29192065/peripheral-nerve-function-estimation-by-linear-model-of-multi-cmap-responses-for-surgical-intervention-in-acoustic-neuroma-surgery
#12
Dilok Puanhvuan, Sorayouth Chumnanvej, Yodchanan Wongsawat
Nerve function assessments are crucial for surgical intervention during acoustic neuroma surgery. Cranial nerves such as acoustic and facial nerves, can be possibly damaged during tumor dissection. Proper surgical intervention should prevent neurological deficit and achieve total tumor removal. Conventionally, nerve function is qualitatively evaluated by surgeon and neurologist. Facial nerves can be preserved by monitoring the compound muscle action potential (CMAP) response. The differences in the amplitude and latency of CMAP are used as indicators during surgical interventions...
December 2017: Physiological Reports
https://www.readbyqxmd.com/read/29184217/increased-sensibility-to-acute-acoustic-and-blast-trauma-among-patients-with-acoustic-neuroma
#13
Marzena Mielczarek, Jurek Olszewski
The article shows 2 cases of unusual presentation of acute acoustic trauma and blast injury due to occupational exposure. In the case of both patients the range of impaired frequencies in pure tone audiograms was atypical for this kind of causative factor. Both patients had symmetrical hearing before the accident (which was confirmed by provided results of hearing controls during their employment). A history of noise/blast exposure, the onset of symptoms directly after harmful exposure, symmetrical hearing before the trauma documented with audiograms, directed initial diagnosis towards acoustic/blast trauma, however, of atypical course...
November 27, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/29134163/prognostic-indices-for-predicting-facial-nerve-outcome-following-the-resection-of-large-acoustic-neuromas
#14
Kurt Grahnke, Jonathan R Garst, Brendan Martin, John P Leonetti, Douglas E Anderson
This study analyzes the simple ratio of anterior-to-posterior extension of large (>2.5 cm) acoustic neuromas relative to the internal auditory canal (ICA; anterior-posterior [A/P] index) as a tool for predicting risk of facial nerve (FN) injury. In total, 105 patients who underwent microsurgical resection for large acoustic neuromas were analyzed retrospectively. House-Brackmann (HB) scores were assessed immediately postoperatively, at 1 month, and at 1 year. Lateral-medial, inferior-superior, A/P, and maximum diameters were measured from preoperative magnetic resonance images...
December 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29099300/diagnostic-value-of-preoperative-inflammatory-markers-in-patients-with-glioma-a-multicenter-cohort-study
#15
Shi-Hao Zheng, Jin-Lan Huang, Ming Chen, Bing-Long Wang, Qi-Shui Ou, Sheng-Yue Huang
OBJECTIVE Glioma is the most common form of brain tumor and has high lethality. The authors of this study aimed to elucidate the efficiency of preoperative inflammatory markers, including neutrophil/lymphocyte ratio (NLR), derived NLR (dNLR), platelet/lymphocyte ratio (PLR), lymphocyte/monocyte ratio (LMR), and prognostic nutritional index (PNI), and their paired combinations as tools for the preoperative diagnosis of glioma, with particular interest in its most aggressive form, glioblastoma (GBM). METHODS The medical records of patients newly diagnosed with glioma, acoustic neuroma, meningioma, or nonlesional epilepsy at 3 hospitals between January 2011 and February 2016 were collected and retrospectively analyzed...
November 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29050101/-factors-of-hearing-preservation-in-acoustic-neuroma-surgery
#16
H Y Tan, Z Y Wang, H Wu
Over the past 50 years, the focus of acoustic neuroma surgery has shifted from low mortality and tumor resection to retention of neurological function. Hearing preservation is another point in addition to facial nerve function preservation. Hearing preservation rates overall ranged from 2% to 93% in recent studies. Characteristics such as approach, pre-operative neurological function, tumor size, nerve of origin and fundal fluid of the internal auditory canal have been reported as possible influencing factors...
October 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29035995/internal-auditory-canal-tumor-as-an-incidental-finding-on-a-choline-pet-ct-scan-in-a-prostate-cancer-patient
#17
Julia Malamitsi, Roxanni Efthymiadou, Theodore Pipikos, Fani Vlachou, Vassilis Prassopoulos
An 84-year-old man with a history of prostate cancer, treated with radiotherapy, presented with an increase in PSA levels. F-choline PET/CT showed foci of increased choline uptake in L4 and L5 vertebrae, suggestive of bone metastases and another focus in the right cerebellopontine angle. A brain MRI revealed a focus of intense contrast enhancement in the same region, consistent with an acoustic neuroma.
October 13, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29021412/postoperative-headache-after-undergoing-acoustic-neuroma-surgery-via-the-retrosigmoid-approach
#18
Noritaka Aihara, Hiroshi Yamada, Mariko Takahashi, Akira Inagaki, Shingo Murakami, Mitsuhito Mase
To estimate the duration of postoperative headache after surgery for acoustic neuroma and the effects of age, sex, tumor size, extent of tumor resection, type of skin incision, surgical duration, hearing preservation, and postoperative facial nerve palsy. This retrospective review analyzed clinical data from 97 patients who had undergone surgery for unilateral acoustic neuroma via the retrosigmoid approach >1 year previously. We investigated whether patients had headache at hospital discharge and during attendance at outpatient clinics...
October 12, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28973498/failure-to-rescue-and-mortality-following-resection-of-intracranial-neoplasms
#19
Hani Malone, Michael Cloney, Jingyan Yang, Dawn L Hershman, Jason D Wright, Alfred I Neugut, Jeffrey N Bruce
BACKGROUND: There is growing recognition that perioperative complication rates are similar between hospitals, but mortality rates are lower at high-volume centers. This may be due to differences in the ability to rescue patients from major complications. OBJECTIVE: To examine the relationship between hospital caseload and failure to rescue from complications following resection of intracranial neoplasms. METHODS: We identified adults in the Nationwide Inpatient Sample diagnosed with glioma, meningioma, brain metastasis, or acoustic neuroma, who underwent surgical resection between 1998 and 2010...
August 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28885483/assessing-readability-and-reliability-of-online-patient-information-regarding-vestibular-schwannoma
#20
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
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