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Base of skull surgery

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https://www.readbyqxmd.com/read/29049530/risk-of-venous-thromboembolism-among-otolaryngology-patients-vs-general-surgery-and-plastic-surgery-patients
#1
John D Cramer, Amanda E Dilger, Alex Schneider, Stephanie Shintani Smith, Sandeep Samant, Urjeet A Patel
Importance: Venous thromboembolism (VTE), which includes deep venous thrombosis or pulmonary embolism, is the number 1 cause of preventable death in surgical patients. Current guidelines from the American College of Chest Physicians provide VTE prevention recommendations that are specific to individual surgical subspecialties; however, no guidelines exist for otolaryngology. Objective: To examine the rate of VTE for various otolaryngology procedures compared with an established average-risk field (general surgery) and low-risk field (plastic surgery)...
October 19, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29049147/virtual-reality-model-of-the-three-dimensional-anatomy-of-the-cavernous-sinus-based-on-a-cadaveric-image-and-dissection
#2
Zeng-Hui Qian, Xu Feng, Yang Li, Ke Tang
OBJECTIVE: Studying the three-dimensional (3D) anatomy of the cavernous sinus is essential for treating lesions in this region with skull base surgeries. Cadaver dissection is a conventional method that has insurmountable flaws with regard to understanding spatial anatomy. The authors' research aimed to build an image model of the cavernous sinus region in a virtual reality system to precisely, individually and objectively elucidate the complete and local stereo-anatomy. METHODS: Computed tomography and magnetic resonance imaging scans were performed on 5 adult cadaver heads...
October 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29045973/-application-of-three-dimensional-reconstruction-of-the-enhanced-ct-with-iplan-cmf-software-in-head-and-neck-neoplasms
#3
Y Yu, W B Zhang, Y Wang, X J Liu, C B Guo, G Y Yu, X Peng
OBJECTIVE: Three-dimensional reconstruction of the enhanced CT is increasingly becoming a valuable tool in head and neck neoplasms. The aim of this study is to reconstruct three-dimensional imaging of tumor and its surrounding important anatomical structure using iPlan CMF software, and to investigate the application of three-dimensional tumor mapping technique for the diagnosis and treatment of the head and neck neoplasms. METHODS: In the study, 13 cases with head and neck tumors in Department of Oral and Maxilloficial Surgery, Peking University School and Hospital of Stomatology from June 2014 to June 2015 were studied using spiral CT scanning technology based on the same scanning condition...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29040778/multimodality-management-of-recurrent-skull-base-chordomas-factors-impacting-tumor-control-and-disease-specific-survival
#4
Shaan M Raza, Diana Bell, Jacob L Freeman, David R Grosshans, Gregory N Fuller, Franco DeMonte
BACKGROUND: Limited data exist to guide the management of recurrent chordomas arising in the skull base. OBJECTIVE: To determine factors affecting tumor control rates and disease-specific survival (DSS) in recurrent disease. METHODS: A retrospective review was performed of 29 patients with 55 recurrences treated at our institution. Tumor and treatment factors were assessed for impact on freedom from progression (FFP; primary outcome) and DSS (secondary outcome)...
October 10, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29036029/-anterior-skull-base-and-pericranial-flap-ossification-after-frontofacial-monobloc-advancement
#5
Anne Morice, Giovanna Paternoster, Agnès Ostertag, Syril James, Martine Cohen-Solal, Roman H Khonsari, Eric Arnaud
BACKGROUND: Frontofacial monobloc advancement (FFMBA) creates a communication between the anterior cranial fossa and nasal cavities. To tackle this issue, trans-orbital pericranial pedicled flaps (PF) are routinely performed in our center. This study aimed to assess the post-operative ossification of the anterior skull base and PF following FFMBA, and to identify factors influencing this ossification. METHODS: Measurements of the skull base only (SB) and of the ossified PF together with the SB (SB-OPF) were performed on CT scans at the naso-frontal (NF) and the naso-ethmoïdo-frontal (NEF) junctions...
October 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29029275/surgical-management-of-intrinsic-tumors-of-the-facial-nerve
#6
Sampath Chandra Prasad, Melissa Laus, Manjunath Dandinarasaiah, Enrico Piccirillo, Alessandra Russo, Abdelkader Taibah, Mario Sanna
BACKGROUND: Intrinsic tumors of the facial nerve are a rare entity. Dealing with this subset of tumors is challenging both in terms of decision making and surgical intervention. OBJECTIVE: To review the outcomes of surgical management of facial nerve tumors and cable nerve graft interpositioning. METHODS: A retrospective analysis was performed at a referral center for skull base pathology. One hundred fifteen patients who were surgically treated for facial nerve tumors were included...
September 29, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29024761/pattern-of-closure-of-skull-base-synchondroses-in-crouzon-syndrome
#7
Guillaume Coll, Laurent Sakka, Céline Botella, Nathalie Pham-Dang, Corine Collet, Michel Zerah, Eric Arnaud, Federico Di Rocco
BACKGROUND: The age of closure of skull base synchondroses has never been analyzed in a homogenous population of children with Crouzon syndrome. METHOD: A retrospective case-control study was performed on 30 Crouzon children (17M, 13F) aged 1 month to 12.48 years with Fibroblast Growth Factor Receptor type 2 mutation. Eleven synchondroses were analyzed on millimetric computed tomodensitometry slices before surgery. Syndromic patients were compared to a series of 235 healthy children previously published...
October 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29023301/inflammatory-myofibroblastic-tumor-rare-manifestation-in-face
#8
William Phillip Pereira da Silva, Larissa Balbo Zavarez, Fernando Luiz Zanferrari, Juliana Lucena Schussel, Leonardo Pérez Faverani, Juliana Elizabeth Jung, Laurindo Moacir Sassi
Inflammatory myofibroblastic tumor, also known as inflammatory pseudotumor and plasma cell granuloma, is a tumor that occurs most often in the lungs, abdomen, skin, soft tissue, genital system, and mediastinal. Before surgery, the diagnosis is difficult to establish because of its diverse manifestations. In the head and neck, manifestation is rare and may occur in the upper respiratory tract, soft tissues, orbits, and skull base. This article aims to report a rare manifestation of the disease in the face, highlighting the importance of a correct diagnosis to determine the most appropriate form of treatment, in male patient, leucoderma, 22 years old, with complain of a painless unilateral growth in the left cheek, beginning 2 months before and with progressive growth...
October 11, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29021413/cyberknife-stereotactic-radiosurgery-and-hypofractionated-stereotactic-radiotherapy-as-first-line-treatments-for-imaging-diagnosed-intracranial-meningiomas
#9
Yoshihiko Manabe, Taro Murai, Hiroyuki Ogino, Takeshi Tamura, Michio Iwabuchi, Yoshimasa Mori, Hiromitsu Iwata, Hirochika Suzuki, Yuta Shibamoto
Definitive radiotherapy is an important alternative treatment for meningioma patients who are inoperable or refuse surgery. We evaluated the efficacy and toxicity of CyberKnife-based stereotactic radiosurgery (SRS) and hypofractionated stereotactic radiotherapy (hSRT) as first-line treatments for intracranial meningiomas that were diagnosed using magnetic resonance imaging (MRI) and/or computed tomography (CT). Between February 2005 and September 2015, 41 patients with intracranial meningiomas were treated with CyberKnife-based SRS or hSRT...
October 12, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28990662/the-radioanatomy-of-endonasal-flap-coverage-of-skull-base-defects-a-tool-for-preoperative-planning
#10
Francisco J D MacArthur, Gerald W McGarry
OBJECTIVES/HYPOTHESIS: To develop a tool for the calculation of surgical skull base defects and endonasal flap dimensions on preoperative computed tomography (CT) to aid surgical planning. STUDY DESIGN: Case series. METHODS: A literature search was conducted to identify all endonasal flaps. There were five basic models identified. These are the nasoseptal flap, anterior lateral nasal wall flap, bipedicled anterior septal flap, posterior pedicled inferior turbinate flap, and middle turbinate flap...
October 9, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28990255/role-of-surgery-in-the-treatment-of-osteoradionecrosis-and-its-complications-after-radiotherapy-for-nasopharyngeal-carcinoma
#11
Wen Bo Huang, Stanley Thian Sze Wong, Jimmy Yu Wai Chan
BACKGROUND: The purpose of this study was to review the efficacy of surgery for patients with osteoradionecrosis (ORN) after radiotherapy for nasopharyngeal carcinoma (NPC). METHODS: Between 2000 and 2016, we identified 162 patients with skull base ORN, among which 58 patients required surgery. A retrospective medical chart review was performed and the indications and results of surgical interventions were recorded. RESULTS: All surgeries were performed for the treatment of secondary complications of ORN, including central nervous system (CNS) infection (48...
October 9, 2017: Head & Neck
https://www.readbyqxmd.com/read/28989048/supraorbital-keyhole-approach-to-the-sella-and-anterior-skull-base-via-a-forehead-wrinkle-incision
#12
Jin Xiao, Weihong Wang, Xianxiang Wang, Zhongxiang Mao, Hao Qi, Hongwei Cheng, Yongqiang Yu
OBJECTIVE: The aim of this study was to evaluate the safety and effectiveness of the supraorbital keyhole approach to the sella and anterior skull base via a forehead wrinkle incision. METHODS: We analyzed and reclassified the forehead wrinkle types in 100 recruited healthy individuals. Twenty selected patients with different intracranial lesions in the sella and anterior skull base areas were selected for surgery using the supraorbital keyhole approach via a forehead wrinkle incision by types...
October 5, 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
#13
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/28987827/surgical-management-of-giant-intracranial-meningioma-operative-nuances-challenges-and-outcome
#14
Vinayak Narayan, Shyamal C Bir, Nasser Mohammed, Amey R Savardekar, Devi Prasad Patra, Anil Nanda
INTRODUCTION: The giant intracranial meningioma [GIM] constitutes a different spectrum of brain tumors which invade the vital neurovascular structures and makes the primary mode of treatment, surgery, a technically challenging one. The surgery of GIM is unique due to its large size, prominent vascularity, entangling and limited visualisation of various neurovascular structures and severe cerebral edema. The study reports the authors surgical experience of 80 GIM cases, the operative challenges and surgical outcome...
October 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28986644/traumatic-occipito-cervical-dissociation-in-adults-a-middle-eastern-cohort-study
#15
K Venugopal Menon, Ismail Al Habsi, Khalifa Al Ghafri
The objective of this study is to describe a series of cranio-cervical dissociation victims and evaluate their outcomes as well as discuss the clinical dilemmas we faced in the context of current literature evidence. This is a retrospective cohort study of traumatic occipito-cervical dissociation in five patients (three males and two females) encountered between 2010 and 2016 at a tertiary care facility in the Middle East region. All patients underwent occipito-cervical fusion using screws and rods system with mean postoperative follow-up period of 2...
October 6, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28986226/internal-carotid-artery-and-its-relationship-with-structures-in-sellar-region-anatomy-study-and-its-clinical-applications
#16
Yishui Zhang, Wen Yang
BACKGROUND: Complications of the ICA in surgeries are rare but severe. This study aims to locate the ICA with 5 stationary bony structures in the sellar region: the anterior clinoid process (ACP), the tuberculum sellae, the bottom of the hypophyseal fossa, the posterior edge of the hypophyseal fossa and the post clinoid process and do measurements to determine their anatomic relationship with the ICA. METHODS: After multiple planar reconstructions on computer tomographic angiography images of 120 ICA in 60 individuals, we defined the 5 bony structures as 5 origins in horizontal, sagittal and vertical planes with the 3D coordinate system and got the cross-sections of bilateral ICA on the coronal plane passing through each origin...
October 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28985669/establishment-of-next-generation-neurosurgery-research-and-training-laboratory-with-integrated-human-performance-monitoring
#17
Antonio Bernardo
Quality of neurosurgical care and patient outcomes are inextricably linked to surgical and technical proficiency and a thorough working knowledge of microsurgical anatomy. Neurosurgical laboratory-based cadaveric training is essential for the development and refinement of technical skills before their use on a living patient. Recent biotechnological advances including 3-dimensional (3D) microscopy and endoscopy, 3D printing, virtual reality, surgical simulation, surgical robotics, and advanced neuroimaging have proved to reduce the learning curve, improve conceptual understanding of complex anatomy, and enhance visuospatial skills in neurosurgical training...
October 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28984806/petrous-apex-cholesterol-granulomas-outcomes-complications-and-hearing-results-from-surgical-and-wait-and-scan-management
#18
Golda Grinblat, Ashish Vashishth, Francesco Galetti, Antonio Caruso, Mario Sanna
OBJECTIVE: 1. To analyze the surgical outcomes in the management of petrous apex cholesterol granulomas (PACG) with a brief literature review.2. To evaluate the importance of wait-and-scan management option. STUDY DESIGN: Retrospective review. SETTING: Quaternary referral center for otology and skull base surgery. SUBJECTS AND METHODS: Charts of 55 patients with at least 12 months of follow-up were analyzed for demographic, clinical, audiometric, and radiological features...
October 4, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28983750/preliminary-study-on-magnetic-tracking-based-planar-shape-sensing-and-navigation-for-flexible-surgical-robots-in-transoral-surgery-methods-and-phantom-experiments
#19
Shuang Song, Changchun Zhang, Li Liu, Max Q-H Meng
PURPOSE: Flexible surgical robot can work in confined and complex environments, which makes it a good option for minimally invasive surgery. In order to utilize flexible manipulators in complicated and constrained surgical environments, it is of great significance to monitor the position and shape of the curvilinear manipulator in real time during the procedures. In this paper, we propose a magnetic tracking-based planar shape sensing and navigation system for flexible surgical robots in the transoral surgery...
October 5, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28978266/parapharyngeal-space-tumor-surgery-using-a-modified-cervical-parotid-approach
#20
Isaku Okamoto, Kiyoaki Tsukahara, Hiroki Sato
OBJECTIVES: The cervical approach to parapharyngeal space tumors is blind in cases involving an approach to the vicinity of the skull base from below. We therefore devised a procedure to improve the safety of surgery in the vicinity of the skull base. METHODS: With this surgical technique, the temporal branch from the main trunk is first identified, as in the case of parotid gland tumor surgery. We then approach the skull base by entering the posterior aspect of the parotid gland tissue from above the temporal branch and anterior auricular space, allowing clear visual confirmation of the upper part of the tumor...
October 5, 2017: Acta Oto-laryngologica
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