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https://www.readbyqxmd.com/read/28324801/schwannoma-of-the-descending-loop-of-the-hypoglossal-nerve-case-report
#1
Giulio Illuminati, Giulia Pizzardi, Rocco Pasqua, Piergaspare Palumbo, Francesco Vietri
INTRODUCTION: Schwannomas of the descending loop of the hypoglossal nerve are very rare. They are slow-growing tumors that may masquerade a carotid body tumor. PRESENTATION OF CASE: A 60-year-old female was referred for a latero-cervical mass appearing as a chemodectoma at CT-scan. At operation, a 2cm mass arising from the descending loop of the hypoglossal nerve was resected en bloc with the loop itself and a functional lymphadenectomy was associated. Post-operative course was uneventful and the patient is free from disease recurrence at one year follow-up...
March 7, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28323186/micro-multileaf-collimator-linac-radiosurgery-for-vestibular-schwannomas
#2
Essam M Rezk, Faycal El Majdoub, Martin Kocher, Harald Treuer, Volker Sturm, Mohammad Maarouf
OBJECTIVE: This study evaluates the efficacy of linear accelerator (LINAC) radiosurgery using micro multi-leaf collimator technique (μMLC) in the treatment of a consecutive series of patients with vestibular schwannomas. PATIENTS AND METHODS: In this retrospective study, we enrolled 50 patients with non-neurofibromatosis type 2 vestibular schwannoma who were treated with μMLC LINAC-based SRS at University Hospital of Cologne, Germany. A minimum clinical follow-up of 24 months was conducted...
March 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28321373/a-review-of-skull-base-tumor-clinical-trials-past-trends-and-future-opportunities
#3
Anand Devaiah, Charles Murchison
Objective Tumors of the anterior and lateral skull base (TALSB) are relatively rare but can be devastating to patients. By examining trials focused on TALSB, we can characterize the studies that predominate and better understand current directions of study. This gives us a better understanding of future studies to pursue. Study Design This is a retrospective analysis. Settings We set skull base tumor clinical trials in the United States which are listed in ClinicalTrials.gov. Subjects and Methods We used the information available on ClinicalTrials...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28320054/appendiceal-schwannoma-an-incidental-finding-after-crohn-s-bowel-resection
#4
Melanie D Crispin
No abstract text is available yet for this article.
March 20, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28319458/quality-of-life-in-807-patients-with-vestibular-schwannoma-comparing-treatment-modalities
#5
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
https://www.readbyqxmd.com/read/28315612/ultrasound-assessment-of-peripheral-nerve-pathology-in-neurofibromatosis-type-1-and-2
#6
Natalie Winter, Tim W Rattay, Hubertus Axer, Eva Schäffer, Bernhard F Décard, Isabel Gugel, Martin Schuhmann, Alexander Grimm
OBJECTIVE: The neurofibromatoses (NF) type 1 and 2 are hereditary tumor predisposition syndromes caused by germline mutations in the NF1 and NF2 tumor suppressor genes. In NF1 and 2, peripheral nerve tumors occur regularly. For further characterizing nerve ultrasound was performed in patients with NF1 and 2. METHODS: Patients with established diagnosis of NF1 (n=27) and NF2 (n=10) were included. Ultrasound of peripheral nerves and cervical roots was performed during routine follow-up visits...
February 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28298797/cervical-vagal-schwannoma-anesthetic-concerns
#7
Suman Saini, Nikki Sabharwal, Nidhi Agrawal, Bhupender Singh
Schwannomas arising from cervical vagus nerve is an extremely rare benign neoplasm. The majority of patients present with insidiously growing lateral neck mass without neurological deficit. We report a case of symptomatic cervical vagal nerve schwannoma in a 32-year-old female. Complete surgical resection is the treatment of choice. However, anesthetic management of these tumors can be challenging. We describe here the complications experienced during the management of the patient.
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28298045/letter-to-the-editor-maxillary-nerve-schwannoma
#8
Atul Goel
No abstract text is available yet for this article.
March 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28298021/prophylactic-nimodipine-treatment-and-improvement-in-hearing-outcome-after-vestibular-schwannoma-surgery-a-combined-analysis-of-a-randomized-multicenter-phase-iii-trial-and-its-pilot-study
#9
Christian Scheller, Andreas Wienke, Marcos Tatagiba, Alireza Gharabaghi, Kristofer F Ramina, Oliver Ganslandt, Barbara Bischoff, Johannes Zenk, Tobias Engelhorn, Cordula Matthies, Thomas Westermaier, Gregor Antoniadis, Maria Teresa Pedro, Veit Rohde, Kajetan von Eckardstein, Thomas Kretschmer, Malte Kornhuber, Jörg Steighardt, Michael Richter, Fred G Barker, Christian Strauss
OBJECT In clinical routines, neuroprotective strategies in neurosurgical interventions are still missing. A pilot study (n = 30) and an analogously performed Phase III trial (n = 112) pointed to a beneficial effect of prophylactic nimodipine and hydroxyethyl starch (HES) in vestibular schwannoma (VS) surgery. Considering the small sample size, the data from both studies were pooled. METHODS The patients in both investigator-initiated studies were assigned to 2 groups. The treatment group (n = 70) received parenteral nimodipine (1-2 mg/hour) and HES (hematocrit 30%-35%) from the day before surgery until the 7th postoperative day...
February 24, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28296753/a-rare-thoracic-intraspinal-schwannoma-in-twin-pregnancy-with-aggravated-clinical-presence-a-case-report-following-care
#10
Ruiqi Chen, Anqi Xiao, Lu Xing, Chao You, Jiagang Liu
INTRODUCTION: This is the first case report about a thoracic intraspinal schwannoma in twin pregnancy with aggressive clinical presentation. CLINICAL PRESENCE AND DIAGNOSES: A 21-year-old woman presented with a 2-month history of back pain and slight lower extremity numbness and weakness, and her symptoms were misdiagnosed as normal reactions to pregnancy until she progressed to complete paralysis and incontinence within 2 weeks. She was then confirmed to have thoracic intraspinal schwannoma through MRI...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28295370/the-human-endolymphatic-sac-expresses-natriuretic-peptides
#11
Martin Nue Møller, Svend Kirkeby, Jonas Vikeså, Finn Cilius Nielsen, Per Cayé-Thomasen
OBJECTIVES/HYPOTHESIS: The function of the human endolymphatic sac (ES) has been enigmatic for decades. Hypotheses include controlling endolymphatic fluid homeostasis and inner ear immunological defense. Additionally, several studies indicate a possible endocrine capacity and a yet undefined role in intracranial pressure homeostasis. However, no direct evidence of such capacity exists. This study aims to explore and identify the hypothesized endocrine capacity of the human ES. STUDY DESIGN: DNA microarrays and immunohistochemistry were used for analyses of fresh human ES tissue samples...
March 14, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28295212/constitutional-lztr1-mutation-presenting-with-a-unilateral-vestibular-schwannoma-in-a-teenager
#12
Karen W Gripp, Laura Baker, Vinay Kandula, Joseph Piatt, Andrew Walter, Zhenbin Chen, Ludwine Messiaen
Schwannomatosis is a rare neurofibromatosis clinically diagnosed by age-dependent criteria, with bilateral vestibular schwannoma and/or a constitutional NF2 mutation representing exclusion criteria. Following SMARCB1 germline mutations, constitutional mutations in LZTR1 were discovered. We report on the molecular investigation in a patient presenting at 14 years with a unilateral vestibular schwannoma, ultimately causing blindness and unilateral hearing loss, in the absence of other schwannomas or a positive family history...
March 14, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28294345/long-term-mri-surveillance-after-microsurgery-for-vestibular-schwannoma
#13
Mia E Miller, Harrison Lin, Bill Mastrodimos, Roberto A Cueva
OBJECTIVES: To determine the optimal postoperative magnetic resonance imaging (MRI) schedule and length of follow-up for patients undergoing microsurgical excision of vestibular schwannoma (VS). STUDY DESIGN: A retrospective review of patients who underwent microsurgical excision of VS at a single tertiary care center between January 1993 and March 2004. METHODS: Two hundred and twenty subjects were analyzed and characteristics gathered, including tumor size, surgical approach, completeness of resection, and length of follow-up to last MRI...
March 14, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28293782/baha-implant-as-a-hearing-solution-for-single-sided-deafness-after-retrosigmoid-approach-for-the-vestibular-schwannoma-surgical-results
#14
Jan Boucek, Jan Vokral, Libor Cerny, Martin Chovanec, Jiří Skrivan, Eduard Zverina, Jan Betka, Michal Zabrodsky
Skull base tumors and, in particular, vestibular schwannoma (VS) are among the etiological reasons for single-sided deafness (SSD). Patients with SSD have problems in understanding speech in a noisy environment and cannot localize the direction of sounds. Baha is one of the most frequently used systems for SSD compensation. Out of 38 patients with SSD after retrosigmoid removal of VS who underwent testing with Baha softband, 16 were satisfied and were indicated for Baha implantation. Two surgical approaches have been used-the Nijmegen linear incision technique with subdermal thinning (Group I, implant BI300) and fast surgery technique without subdermal thinning (Group II, implant BIA400)...
March 14, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28291514/synchronous-ganglioneuroma-and-schwannoma-of-the-vagal-inferior-ganglion
#15
Shaolong Yang, Danhui Zhao, Jie Wei, Peifeng Li
Neurogenic neoplasms resulting from autonomic nerves are considerably rare. In this paper, we report a case of a 41-year-old woman with composite tumor of synchronous ganglioneuroma and schwannoma in the vagal inferior ganglion. Ultrasonography and computed tomography showed a well-defined mass, which extruded from the internal and external carotid arteries. Two tumors were closely attached but with an evident boundary. The small tumor was composed of spindle cells and numerous mature ganglion cells, and the large one consisted entirely of differentiated neoplastic Schwann cells...
March 14, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/28288478/benign-temporomandibular-joint-lesions-presenting-as-masses-in-the-external-auditory-canal
#16
Ryan A Williams, Robert K Jackler, C Eduardo Corrales
OBJECTIVE: Describe benign lesions arising from the temporomandibular joint (TMJ) that presented as masses in the external auditory canal (EAC). STUDY DESIGN: Retrospective case series of two academic medical centers. PATIENTS: Six patients with lesions emanating from the TMJ that presented as EAC masses. Lesions included pigmented villonodular synovitis (PVNS), nodular fasciitis, foramen of Huschke herniation with salivary fistula, fibroepithelial polyp, superficial angiomyxoma, and giant cell tumor (GCT)...
April 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28286638/an-unusual-localization-of-intraosseous-schwannoma-the-hamate-bone
#17
Volkan Gurkan, Cavide Sonmez, Ayse Aralasmak, Fatih Yildiz, Ozgur Erdogan
Intraosseous schwannoma of the hamate bone presented in this case is a very rare benign tumor, and its diagnosis combined with clinical, imaging and needle biopsy is important to guide further therapy. The diagnosis of schwannoma of the hamate was proved histologically following its surgical treatment by curettage.
January 11, 2017: Clinics and Practice
https://www.readbyqxmd.com/read/28286620/a-case-of-schwannoma-of-the-common-peroneal-nerve-in-the-knee
#18
Tayyar Taylan Öz, Birol Aktaş, Korhan Özkan, Burak Özturan, Bulent Kilic, Murat Demiroğlu
Schwannomas are benign neurogenic tumors of peripheral nerves that originate from neural sheath. The aim of this case report is to bring to mind the schwannoma in the patient with knee pain. A 39-year-old woman presented with a complaint of knee pain of three months history. After surgical intervention, the patient's complaints completely disappeared in the post-operative period. This should come to mind in the differential diagnosis of knee pain.
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28284969/factors-leading-to-oro-facial-herpetic-eruptions-in-patients-undergoing-surgery-for-vestibular-schwannoma
#19
Satya Deo Pandey, Anant Mehrotra, Kuntal Kanti Das, Kamlesh Singh Bhaisora, Jayesh Sardhara, Pradeep Sharma, Suyash Singh, Arun Kumar Srivastava, Rabi Narayan Sahu, Awadesh Kumar Jaiswal, Sanjay Behari, Raj Kumar
No abstract text is available yet for this article.
March 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28284966/the-impact-of-primary-treatment-strategy-on-vestibular-schwannoma-patient-quality-of-life
#20
Robert W Foley, Robert M Maweni, Hussein Jaafar, Rory McConn Walsh, Mohsen Javadpour, Daniel Rawluk
OBJECTIVE: To assess the quality of life (QoL) in a representative sample of vestibular schwannoma patients and to ascertain the differences in outcomes associated with distinct management strategies. PATIENTS & METHODS: Vestibular Schwannoma patients attending a tertiary referral centre were asked to complete the FACT-Br Questionnaire, which assesses QoL in five domains: physical, social, emotional and functional and a brain cancer specific domain. Results were analysed in the overall cohort and in surgery, stereotactic radiosurgery and conservative management subgroups...
March 8, 2017: World Neurosurgery
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