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Skull base tumor

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https://www.readbyqxmd.com/read/28541579/tailored-extended-bifrontal-craniotomy-for-anterior-skull-base-tumors-anatomic-description-of-a-modified-surgical-technique-and-case-series
#1
Michael M Safaee, Michael W McDermott, Arnau Benet, Philip V Theodosopoulos
BACKGROUND: Open transcranial approaches to the anterior skull base remain an integral component of current skull base practice. Evolution of these and other techniques has resulted in revisions of standard, tried-and-true methods in attempts to improve patient outcomes and cosmesis, while still providing the best combination of surgical exposure and ergonomics. OBJECTIVE: To describe a modified approach for midline tumors of the anterior skull base. METHODS: We describe the anatomy and techniques of a modified extended bifrontal craniotomy for anterior skull base tumors...
May 24, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28540121/comprehensive-preoperative-staging-system-for-endoscopic-single-and-multicorridor-approaches-to-juvenile-nasal-angiofibromas
#2
Trichy N Janakiram, Shilpee B Sharma, Ekkehard Kasper, Onkar Deshmukh, Iype Cherian
BACKGROUND: Juvenile nasal angiofibromas (JNA) is a benign lesion with high vascularity and propensity of bone erosion leading to skull base invasion and intracranial extension. It is known to involve multiple compartments, which are often surgically difficult to access. With evolution in surgical expertise and technical innovations, endoscopic and endoscopic-assisted management has become the preferred choice of surgical management. Over the last four decades, various staging systems have been proposed, which are largely based on the extent of nasal angiofibroma...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28536991/diffuse-midline-skull-base-meningiomas-identification-of-a-rare-and-aggressive-subgroup-of-meningiomas
#3
Matthieu Peyre, Loïc Feuvret, Marc Sanson, Soledad Navarro, Anne-Laure Boch, Hugues Loiseau, Michel Kalamarides
Skull base meningiomas may present as clinically aggressive tumors despite being histologically benign. Here we describe a clinico-radiological entity of diffuse midline skull base meningiomas responsible for several neurological morbidities, including hearing and vision loss, intracranial hypertension, secondary hydrocephalus and tonsillar herniation with spinal cord compression. Surgery and radiotherapy were ineffective in stopping the clinical course of those tumors. After targeted sequencing of known mutated genes in meningiomas, we discovered TRAF7 mutations in two out of four tumors, stressing the importance of focusing the research efforts of the meningioma community in understanding the mechanisms underlying TRAF7 related meningioma tumorigenesis...
May 23, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28535658/-value-of-the-endoscopic-diagnosis-on-the-lesions-of-the-skull-base-in-postradiotherapeutic-patients-with-nasopharyngeal-carcinoma
#4
J Y Lyu, F Y Liang, P Han, X M Huang
Objective: To evaluate the diagnostic value of the endoscopic biopsy operation to the lesions of the skull base in the patients with nasopharyngealcarcinoma after radiotherapy. Methods: From February 2006 to February 2010, 84 patients with nasopharyngeal carcinoma suffered from the lesions of the skull base after radiotherapy were included in this study. The relationship between the pathologic results of endoscopic biopsies from the skull base and the imaging results by Magnetic Resonance Imaging(MRI) was compared and discussed...
May 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28527929/new-predictors-of-complications-in-carotid-body-tumor-resection
#5
Gloria Y Kim, Peter F Lawrence, Rameen S Moridzadeh, Kate Zimmerman, Alberto Munoz, Kuauhyama Luna-Ortiz, Gustavo S Oderich, Juan de Francisco, Jorge Ospina, Santiago Huertas, Leonardo R de Souza, Thomas C Bower, Steven Farley, Hugh A Gelabert, Marcus R Kret, E John Harris, Giovanni De Caridi, Francesco Spinelli, Matthew R Smeds, Christos D Liapis, John Kakisis, Anastasios P Papapetrou, Eike S Debus, Christian-A Behrendt, Edgar Kleinspehn, Joshua D Horton, Firas F Mussa, Stephen W K Cheng, Mark D Morasch, Khurram Rasheed, Matthew E Bennett, Jean Bismuth, Alan B Lumsden, Christopher J Abularrage, Alik Farber
OBJECTIVE: This study examined the relationship between two new variables, tumor distance to base of skull (DTBOS) and tumor volume, with complications of carotid body tumor (CBT) resection, including bleeding and cranial nerve injury. METHODS: Patients who underwent CBT resection between 2004 and 2014 were studied using a standardized, multi-institutional database. Demographic, perioperative, and outcomes data were collected. CBT measurements were determined from computed tomography, magnetic resonance imaging, and ultrasound examination...
June 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28527009/the-simpson-grading-in-meningioma-surgery-does-the-tumor-location-influence-the-prognostic-value
#6
Kira Marie Voß, Dorothee Cäcilia Spille, Cristina Sauerland, Eric Suero Molina, Caroline Brokinkel, Werner Paulus, Walter Stummer, Markus Holling, Astrid Jeibmann, Benjamin Brokinkel
In meningiomas, location-specific differences of the prognostic value of the Simpson classification are sparsely investigated but can influence strategy of surgery. We therefore compared the prognostic value of the Simpson classification in different tumor locations. Progression was compared with Simpson grade in 826 meningioma patients (median age 58 years, female:male ratio 2.4) in location-specific uni- and multivariate analyses. Simpson grade strongly correlated with tumor location (p < .001). Within a median follow-up of 50 months, recurrence was observed in 107 of 803 patients (13%)...
May 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28524132/-choosing-an-anterior-midline-approach-to-skull-base-tumors
#7
D A Gol'bin, V A Cherekaev, A V Kozlov, A M Parshunina
The purpose of this review is to analyze used anterior midline approaches to the skull base, identify their advantages and disadvantages, and, after reviewing the literature data, submit a developed algorithm for choosing an optimal approach to the approval of colleagues. We provide brief information on approach techniques, indications and contraindications, and advantages and disadvantages as well as analyze international experience of using the discussed approaches. On the basis of literature data, we have developed a prototype algorithm for choosing an optimal approach to medial tumors of the anterior skull base...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28521059/pediatric-clival-chordoma-a-curable-disease-that-conforms-to-collins-law
#8
Marcio S Rassi, M Maher Hulou, Kaith Almefty, Wenya Linda Bi, Svetlana Pravdenkova, Ian F Dunn, Timothy R Smith, Ossama Al-Mefty
BACKGROUND: Skull base chordomas in children are extremely rare. Their course, management, and outcome have not been defined. OBJECTIVE: To describe the preeminent clinical and radiological features in a series of pediatric patients with skull base chordomas and analyze the outcome of a cohort who underwent uniform treatment. We emphasize predictors of overall survival and progression-free survival, which aligns with Collins' law for embryonal tumors. METHODS: Thirty-one patients with a mean age of 10...
May 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28512043/endoscopic-assisted-supraorbital-keyhole-approach-or-endoscopic-endonasal-approach-in-case-of-tuberculum-sellae-meningioma-which-surgical-route-should-be-favoured
#9
Stefan Linsler, Gerrit Fischer, Volodymyr Skliarenko, Axel Stadie, Joachim Oertel
OBJECTIVE: Keyhole approaches are currently under investigation for skull base tumor surgery. They are expected to have a low complication rate with the same successful resection rate compared to endoscopic endonasal procedures. In this study, the authors compare their current series of tuberculum sellae meningiomas resected via an endoscopic endonasal or microsurgical supraorbital keyhole approach. METHODS: Between 2011 and 2016, 16 patients were treated using the supraorbital keyhole procedure and 6 patients received an endoscopic endonasal procedure...
May 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28511976/fertility-pregnancy-and-prolactinoma-a-survey-of-pituitary-surgeons-view-and-review-of-the-literature
#10
Walter C Jean, Daniel R Felbaum
OBJECTIVE: Pituitary surgeons frequently encounter female prolactinoma patients seeking treatment to restore fertility. Current medical guidelines recommend using dopamine agonist (DA) for this, but for fetal safety, DA should stop upon pregnancy confirmation. The probability that prolactinoma may grow during pregnancy makes this last recommendation imperfect. With the advances in endoscopic surgery, we queried the potential role for surgery in these infertile patients, who may be ambivalent about both stopping and continuing DA while pregnant...
May 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28502566/lateral-skull-base-chondroblastoma-resected-with-facial-nerve-posterior-transposition
#11
J Adnot, O Langlois, E Tollard, M Crahes, I Auquit-Auckbur, J-P Marie
INTRODUCTION: Chondroblastoma is a rare tumor that can involve the temporal bone. Because it is a benign tumor, functional surgery must be proposed. We report a case of a patient with a massive chondroblastoma operated on with preservation of the facial nerve, and description of the surgical technique. CASE PRESENTATION: A 37-year-old man presented with a 9-month history of a growing left pre-auricular mass and hearing loss. Neuroimaging showed an osteolytic mass invading the temporal bone and temporomandibular joint...
May 11, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28500749/local-resectability-assessment-of-head-and-neck-cancer-positron-emission-tomography-mri-versus-positron-emission-tomography-ct
#12
Tetsuro Sekine, Felipe de Galiza Barbosa, Gaspar Delso, Irene A Burger, Paul Stolzmann, Edwin E Ter Voert, Gerhard F Huber, Spyros S Kollias, Gustav K von Schulthess, Patrick Veit-Haibach, Martin W Huellner
BACKGROUND: The purpose of this study was to compare the diagnostic accuracy of positron emission tomography (PET)/MRI with PET/CT for local resectability of head and neck cancer. METHODS: Sequential contrast-enhanced PET/CT-MRI was performed in 58 patients referred for the staging or restaging of head and neck cancer. Tumors were assessed with PET/CT and PET/MRI for the presence of resectability-defining factors: T4b status (mediastinal invasion, invasion of the prevertebral space, and vascular encasement), and another 8 findings that would imply obstacles for surgical cure (invasion of the laryngeal cartilage, invasion of the preepiglottic fat pad, perineural spread, orbital invasion, bone infiltration, skull base invasion, dural infiltration, and invasion of the brachial plexus)...
May 13, 2017: Head & Neck
https://www.readbyqxmd.com/read/28499902/dumbbell-shaped-jugular-foramen-tumors-extending-to-the-neck-surgical-considerations-based-on-imaging-findings
#13
J He, J H Wan, B Zhao, H Q Cai, Y H Wu, X J Li, H P Qian, X L Meng
OBJECTIVE: Dumbbell-shaped jugular foramen tumors (DSJFTs) extending to the neck present diagnostic and management difficulties because of their rarity, various pathologies and multidisciplinary involvement. Accurate imaging findings are of great importance for surgical planning and clinical outcomes. However, few articles have discussed this issue to date. METHODS: Thirty-one patients with DSJFTs extending to the neck were surgically treated in a single stage at our institute...
May 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28498973/chordoma-occurs-in-young-children-with-tuberous-sclerosis
#14
Nathan A Dahl, Timothy Luebbert, Michele Loi, Ilana Neuberger, Michael H Handler, Bette Kay Kleinschmidt-DeMasters, Jean M Mulcahy Levy
Chordomas are rare bony neoplasms usually unassociated with a familial tumor predisposition syndrome. The peak incidence of this midline axial skeletal tumor is in adulthood but when very young children are affected, consideration should be given to occurrence within the tuberous sclerosis (TS) complex, especially when presenting in neonates <3 months of age. To call attention to this association, we present a brachyury-immunopositive chordoma occurring in the skull base of a 2-month-old male infant who was later realized to have metastases to the subcutaneous tissues and lungs, as well as rhabdomyoma of the heart and renal cysts/angiomyolipomas, that is, characteristic features of the TS complex...
June 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28498268/transcanal-endoscopic-ear-surgery-for-excision-of-a-facial-nerve-venous-malformation-with-interposition-nerve-grafting-a-case-report
#15
Cameron C Wick, Mark Sakai, Timothy E Richardson, Brandon Isaacson
OBJECTIVE: To illustrate a novel approach for the surgical management of a venous malformation of the facial nerve, including interposition nerve grafting, via an exclusively transcanal endoscopic ear surgery (TEES) approach. PATIENT: Thirty nine-year-old woman with a preoperative House-Brackmann (HB) grade IV facial paresis secondary to a facial nerve tumor. INTERVENTION(S): Surgical excision and interposition nerve graft via a transcanal endoscopic approach...
May 11, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28494465/congenital-salivary-gland-anlage-tumor-an-unusual-anterior-skull-base-mass-in-the-neonatal-period
#16
Jonathan E Martin, Belachew Tessema, Boulos Beshai, Fabiola Balarezo
Congenital salivary gland anlage tumor (SGAT) is a benign nasopharyngeal mass that presents with respiratory distress in infancy. Prior case reports have characterized SGAT as a lesion of the nasopharynx without intracranial extension. We report a unique case of SGAT extending through the anterior skull base and discuss the differential diagnosis and management of this unusual entity.
May 12, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28490407/the-application-of-a-free-nasal-floor-mucoperiosteal-graft-in-endoscopic-sinus-surgery
#17
Anali Dadgostar, Christopher Okpaleke, Fahad Al-Asousi, Amin Javer
BACKGROUND: Numerous reconstructive techniques and materials have been reported for repair of skull base defects, cerebrospinal fluid (CSF) leaks, and coverage of denuded bone, including pedicled vascularized flaps and free mucosal grafts. OBJECTIVE: This study described our technique of harvesting and transferring a free nasal floor mucoperiosteal graft and discussed our experience with the application of this technique. METHODS: A retrospective review of 19 patients (mean age, 53...
May 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28490159/neuroendoscopy-current-and-future-perspectives
#18
REVIEW
Kyu Won Shim, Eun Kyung Park, Dong-Seok Kim, Joong-Uhn Choi
Neuroendoscopic surgery is performed because it causes minimal damage to normal structures, carries a lower rate of complications, and achieves excellent outcomes. Surgeons using an endoscope and related instruments can perform complex operations through very small incisions, which is especially useful for minimally invasive procedures for the brain and spine. Neuroendoscopic surgery is now performed in cases of obstructive hydrocephalus, various intraventricular lesions, hypothalamic hamartomas, craniosynostosis, skull base tumors, and spinal lesions...
May 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28484562/giant-convexity-chondroma-with-dural-involvement-case-report-and-review-of-literature
#19
Venkatesh Raju, Raju Raman, Balamurugan Shanmugasundaram, Indunesh Kochikaran
Intracranial chondromas are rare benign cartilaginous tumors arising usually from the skull base. We present a case of giant chondroma with dural attachment. Imaging modalities and management pearls are discussed. A brief review of literature is also presented.
April 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28483148/treatment-of-locally-advanced-parotid-malignancies-with-parotidectomy-and-temporal-bone-resection
#20
James R Martin, Peter Filip, Eric J Thorpe, John P Leonetti
PURPOSE: In this study we review our institution's experience and outcomes with temporal bone resection and parotidectomy in the treatment of advanced parotid malignancies. METHODS: Patients undergoing lateral temporal bone resection and parotidectomy from 2007-2013 were identified in the EPIC electronic medical record. Primary tumor location, staging, surgical procedure, and patient demographic and outcome data were collected retrospectively. RESULTS: Fifteen patients underwent combined temporal bone resection and parotidectomy for parotid malignancy...
March 31, 2017: American Journal of Otolaryngology
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