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Cranial base endoscopic surgery

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https://www.readbyqxmd.com/read/29130555/ethmoidal-adenocarcinoma-treated-by-exclusive-endoscopic-approach-focus-on-learning-curve-and-modification-of-management
#1
Natalie Oker, Benjamin Verillaud, Michel Wassef, Sébastien Froelich, Damien Bresson, Romain Kania, Philippe Herman
BACKGROUND: The purpose of this study was to investigate the outcome and recurrences for ethmoidal adenocarcinomas treated by exclusive endoscopic surgery in curative intent and investigate the role of the learning curve. METHODS: We conducted a single-center retrospective study, including 60 patients separated in 2 groups (2002-2011 n = 28 and 2012-2015 n = 32). RESULTS: The global survival rate at 5 years was 72.6%, and the global and local recurrence rates were 21...
November 11, 2017: Head & Neck
https://www.readbyqxmd.com/read/29032218/the-hypoglossal-nerve-anatomical-study-of-its-entire-course
#2
Giorgio Iaconetta, Domenico Solari, Alessandro Villa, Clotilde Castaldo, Rosa Maria Gerardi, Gianluigi Califano, Stefania Montagnani, Paolo Cappabianca
OBJECT: Only a few anatomic studies concerning the entire course of the hypoglossal nerve (cranial nerve XII) have been reported. The purpose of the present study is to analyze all the relationships of the XII nerve with the surrounding structures from the brainstem to the tongue through a microscopic perspective. A comprehensive anatomically and clinically oriented classification of its different segments is proposed. METHODS: Ten formalin-fixed adult human cadaveric heads (20 sides) were dissected with the aim to explore the entire course of the XII cranial nerve via the lateral suboccipital, the far lateral partial or total transcondilar routes...
October 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28987843/the-endoscopic-buccal-fat-pad-flap-for-closure-of-skull-base-defects-a-report-of-five-cases
#3
Daniel W Flis, John F Burke, Arnau Benet, Phillip Theodosopoulos, Manish Aghi, Ivan H El-Sayed
OBJECTIVE: To demonstrate the clinical utility of the buccal fat pad to close a variety of skull base defects. METHODS: A retrospective chart review of 5 consecutive patients who underwent endoscopic cranial base surgery with endoscopic harvest of BFPF pedicled along the internal maxillary artery for reconstruction of the skull base from October 2013 until November 2014. RESULTS: All 5 patients had complete take of the BFPFs with mucosalization on post-operative follow up with no reported complications or CSF leaks...
October 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28967307/introduction-surgical-management-of-skull-base-meningiomas
#4
Gabriel Zada, Mustafa K Başkaya, Mitesh V Shah
Meningiomas represent the most common primary intracranial neoplasm treated by neurosurgeons. Although multimodal treatment of meningiomas includes surgery, radiation-based treatments, and occasionally medical therapy, surgery remains the mainstay of treatment for most symptomatic meningiomas. Because of the intricate relationship of the dura mater and arachnoid mater with the central nervous system and cranial nerves, meningiomas can arise anywhere along the skull base or convexities, and occasionally even within the ventricular system, thereby mandating a catalog of surgical approaches that neurosurgeons may employ to individualize treatment for patients...
October 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28922880/a-side-door-to-meckel-s-cave-anatomic-feasibility-study-for-the-lateral-transorbital-approach
#5
Blake Harrison Priddy, Cristian Ferrareze Nunes, Andre Beer-Furlan, Ricardo Carrau, Iacopo Dallan, Daniel Monte-Serrat Prevedello
BACKGROUND: In the last decade, endoscopic skull base surgery has significantly developed and generated a plethora of techniques and approaches for access to the cranial ventral floor. However, the exploration for the least-aggressive, maximally efficient approach continues. OBJECTIVE: To describe in detail an anatomical study, along with the technical nuances of a novel endoscopic approach to Meckel's Cave (MC) using a lateral transorbital (LTO) route. METHODS: Eighteen orbits of injected cadaveric specimens were operated on, using an endoscopic LTO approach to MC, middle cranial fossa, and paramedian skull base preserving the orbital rim...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922233/endoscopic-versus-open-repair-for-craniosynostosis-in-infants-using-propensity-score-matching-to-compare-outcomes-a-multicenter-study-from-the-pediatric-craniofacial-collaborative-group
#6
Douglas R Thompson, David Zurakowski, Charles M Haberkern, Paul A Stricker, Petra M Meier
BACKGROUND: The North American Pediatric Craniofacial Collaborative Group (PCCG) established the Pediatric Craniofacial Surgery Perioperative Registry to evaluate outcomes in infants and children undergoing craniosynostosis repair. The goal of this multicenter study was to utilize this registry to assess differences in blood utilization, intensive care unit (ICU) utilization, duration of hospitalization, and perioperative complications between endoscopic-assisted (ESC) and open repair in infants with craniosynostosis...
September 14, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28875119/indocyanine-green-fluorescence-to-evaluate-nasoseptal-flap-viability-in-endoscopic-endonasal-cranial-base-surgery
#7
Edward E Kerr, Ali Jamshidi, Ricardo L Carrau, Raewyn G Campbell, Leo F Ditzel Filho, Bradley A Otto, Daniel M Prevedello
Objectives  The pedicled nasoseptal flap (NSF) has dramatically reduced postoperative cerebrospinal fluid leakage following endoscopic endonasal approach (EEA) surgery. Although rare, its arterial supply may be damaged during harvest or may be preoperatively damaged for numerous reasons. Early recognition permits harvesting a contralateral flap before sacrificing its pedicle as part of the surgical exposure or use of an alternative flap. Design  Technical feasibility study and case series. Setting  Tertiary care university-associated medical center...
October 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28867323/endoscopic-middle-cranial-fossa-reconstruction-via-a-subtemporal-keyhole-a-technical-note
#8
Fuminari Komatsu, Masaaki Imai, Akihiro Hirayama, Naokazu Hayashi, Shinri Oda, Masami Shimoda, Mitsunori Matsumae
BACKGROUND: Skull base reconstruction is an essential technique for repairing cerebrospinal fluid (CSF) leakage. A reliable method for middle cranial fossa (MCF) reconstruction with minimal invasiveness has not been reported. An initial case of endoscopic MCF reconstruction via a subtemporal keyhole is described. CASE DESCRIPTION: A 57-year-old man developed severe meningitis and was diagnosed with spontaneous CSF leakage from bone defects on the tegmen tympani...
August 31, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28862552/cavernous-sinus-compartments-from-the-endoscopic-endonasal-approach-anatomical-considerations-and-surgical-relevance-to-adenoma-surgery
#9
Juan C Fernandez-Miranda, Nathan T Zwagerman, Kumar Abhinav, Stefan Lieber, Eric W Wang, Carl H Snyderman, Paul A Gardner
OBJECTIVE Tumors with cavernous sinus (CS) invasion represent a neurosurgical challenge. Increasing application of the endoscopic endonasal approach (EEA) requires a thorough understanding of the CS anatomy from an endonasal perspective. In this study, the authors aimed to develop a surgical anatomy-based classification of the CS and establish its utility for preoperative surgical planning and intraoperative guidance in adenoma surgery. METHODS Twenty-five colored silicon-injected human head specimens were used for endonasal and transcranial dissections of the CS...
September 1, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28838112/endoscopic-endonasal-surgery-for-cranial-base-chondrosarcomas
#10
Francisco Vaz-Guimaraes, Juan C Fernandez-Miranda, Maria Koutourousiou, Ronald L Hamilton, Eric W Wang, Carl H Snyderman, Paul A Gardner
BACKGROUND: Microsurgical resection via open approaches is considered the main treatment modality for cranial base chondrosarcomas (CBCs). The use of endoscopic endonasal approaches (EEAs) has been rarely reported. OBJECTIVE: To present the endoscopic endonasal experience with CBCs at our institution. METHODS: Retrospective review of the medical records of 35 consecutive patients who underwent EEA for CBC resection between January 2004 and April 2013...
August 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28716164/collagen-matrix-as-an-inlay-in-endoscopic-skull-base-reconstruction
#11
G M Oakley, J M Christensen, M Winder, B P Jonker, A Davidson, T Steel, C Teo, R J Harvey
BACKGROUND: Multi-layer reconstruction has become standard in endoscopic skull base surgery. The inlay component used can vary among autografts, allografts, xenografts and synthetics, primarily based on surgeon preference. The short- and long-term outcomes of collagen matrix in skull base reconstruction are described. METHODS: A case series of patients who underwent endoscopic skull base reconstruction with collagen matrix inlay were assessed. Immediate peri-operative outcomes (cerebrospinal fluid leak, meningitis, ventriculitis, intracranial bleeding, epistaxis, seizures) and delayed complications (delayed healing, meningoencephalocele, prolapse of reconstruction, delayed cerebrospinal fluid leak, ascending meningitis) were examined...
July 18, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28686110/role-of-endoscopic-transnasal-surgery-for-skull-base-chondrosarcoma-a-retrospective-analysis-of-19-cases-at-a-single-institution
#12
Hirotaka Hasegawa, Masahiro Shin, Kenji Kondo, Shunya Hanakita, Akitake Mukasa, Taichi Kin, Nobuhito Saito
OBJECTIVE Skull base chondrosarcoma is one of the most intractable tumors because of its aggressive biological behavior and involvement of the internal carotid artery and cranial nerves (CNs). One of the most accepted treatment strategies for skull base chondrosarcoma has been surgical removal of the tumor in conjunction with proactive extensive radiation therapy (RT) to the original tumor bed. However, the optimal strategy has not been determined. The goal of this study was to evaluate the early results of endoscopic transnasal surgery (ETS)...
July 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28623412/long-term-follow-up-after-endoscopic-trans-sphenoidal-surgery-or-initial-observation-in-clivus-chordomas
#13
Jon Ramm-Pettersen, Radek Frič, Jon Berg-Johnsen
BACKGROUND: Resection of clivus chordomas through extensive skull base approaches is associated with high mortality and morbidity even in experienced hands. We report our experience with endoscopic trans-sphenoidal surgery, or a "wait-and-scan" strategy in selected patients. METHOD: Ten patients were diagnosed with clivus chordomas during an 8-year period. Six patients underwent primary treatment with endoscopic trans-sphenoidal surgery, followed by adjuvant proton-beam therapy in three of these patients...
October 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28540121/comprehensive-preoperative-staging-system-for-endoscopic-single-and-multicorridor-approaches-to-juvenile-nasal-angiofibromas
#14
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/28433845/clinical-outcome-after-extended-endoscopic-endonasal-resection-of-craniopharyngiomas-two-institution-experience
#15
MULTICENTER STUDY
Hye Ran Park, Varun R Kshettry, Christopher J Farrell, Jae Meen Lee, Yong Hwy Kim, Tae Bin Won, Doo Hee Han, Hyunwoo Do, Gurston Nyguist, Marc Rosen, Dong Gyu Kim, James J Evans, Sun Ha Paek
BACKGROUND: The extended endoscopic endonasal approach (EEA) to the anterior cranial base is used for the resection of craniopharyngiomas. OBJECTIVE: We present clinical experience and outcomes of using EEA for craniopharyngiomas. METHODS: A total of 116 patients in 2 remote institutions were enrolled in this retrospective study. Surgical, endocrinologic, and ophthalmologic outcomes were assessed. RESULTS: The mean follow-up was 35 months (range, 1-115)...
July 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28409727/clival-chordomas-considerations-after-16-years-of-endoscopic-endonasal-surgery
#16
Matteo Zoli, Laura Milanese, Rocco Bonfatti, Marco Faustini-Fustini, Gianluca Marucci, Giovanni Tallini, Corrado Zenesini, Carmelo Sturiale, Giorgio Frank, Ernesto Pasquini, Diego Mazzatenta
OBJECTIVE In the past decade, the role of the endoscopic endonasal approach (EEA) has relevantly evolved for skull base tumors. In this study, the authors review their surgical experience with using an EEA in the treatment of clival chordomas, which are deep and infiltrative skull base lesions, and they highlight the advantages and limitations of this ventral approach. METHODS All consecutive cases of chordoma treated with an EEA between 1998 and 2015 at a single institution are included in this study. Preoperative assessment consisted of neuroimaging (MRI and CT with angiography sequences) and endocrinological, neurological, and ophthalmological evaluations, which were repeated 3 months after surgery and annually thereafter...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28391532/outcome-of-a-graduated-minimally-invasive-facial-reanimation-in-patients-with-facial-paralysis
#17
Laura C Holtmann, Anja Eckstein, Kerstin Stähr, Minzhi Xing, Stephan Lang, Stefan Mattheis
Peripheral paralysis of the facial nerve is the most frequent of all cranial nerve disorders. Despite advances in facial surgery, the functional and aesthetic reconstruction of a paralyzed face remains a challenge. Graduated minimally invasive facial reanimation is based on a modular principle. According to the patients' needs, precondition, and expectations, the following modules can be performed: temporalis muscle transposition and facelift, nasal valve suspension, endoscopic brow lift, and eyelid reconstruction...
August 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28362929/metastatic-liposarcoma-of-the-skull-base-a-case-report-and-review-of-literature
#18
Nirmeen Zagzoog, Greta Ra, Alex Koziarz, John Provias, Doron Sommer, Saleh A Almenawer, Kesava Reddy
BACKGROUND AND IMPORTANCE: Myxoid liposarcoma is not an uncommon form of sarcoma. However, it usually affects the lower extremity long bones. Scapular involvement is extremely rare, as is a metastasis to the parasellar region. We present a case of liposarcoma of the skull base originating in the scapular region and metastasizing to the sellar and parasellar regions and provide a review of the pertinent literature. CLINICAL PRESENTATION: A 43-year-old female patient diagnosed with left scapular myxoid liposarcoma was treated with surgical resection...
April 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28359922/first-application-of-7-t-magnetic-resonance-imaging-in-endoscopic-endonasal-surgery-of-skull-base-tumors
#19
Thomas F Barrett, Hadrien A Dyvorne, Francesco Padormo, Puneet S Pawha, Bradley N Delman, Raj K Shrivastava, Priti Balchandani
BACKGROUND: Successful endoscopic endonasal surgery for the resection of skull base tumors is reliant on preoperative imaging to delineate pathology from the surrounding anatomy. The increased signal-to-noise ratio afforded by 7-T MRI can be used to increase spatial and contrast resolution, which may lend itself to improved imaging of the skull base. In this study, we apply a 7-T imaging protocol to patients with skull base tumors and compare the images with clinical standard of care...
July 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28291218/-endoscopic-transnasal-surgery-for-giant-fibrous-dysplasia-of-the-skull-base-spreading-to-the-right-orbital-cavity-and-nasopharynx-a-case-report-and-literature-review
#20
REVIEW
A N Shkarubo, A Yu Lubnin, E Yu Bukharin, L V Shishkina, D N Andreev, K V Koval', I V Chernov, V V Karnaukhov
BACKGROUND: An extended endoscopic endonasal approach is increasingly used in surgical treatment of space-occupying skull base lesions. The international literature reports only 20 cases of surgical treatment for fibrous dysplasia (PD) of the skull base using the endoscopic endonasal approach. We present our experience with the endoscopic endonasal approach in surgical treatment for giant fibrous dysplasia of the skull base, spreading to the right orbital cavity and nasopharynx. CLINICAL CASE: A 26-year-old male patient presented with cranial pain, Vth nerve dysfunction on the right, right keratopathy...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
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