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Endoscopic endonasal surgery

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https://www.readbyqxmd.com/read/27906848/calculation-of-an-optic-nerve-injury-risk-profile-before-sphenoid-sinus-surgery
#1
Erdem Atalay Cetinkaya, Koray Koc, Mehmet Fatih Kucuk, Pinar Koc, Nuray Bayar Muluk, Cemal Cingi
OBJECTIVES: Our objective was to analyze variations in the optic nerve (ON) course and surrounding structures in an effort to construct an optic nerve injury risk profile before endoscopic intranasal sphenoidal, or endoscopic endonasal transphenoidal, skull-base surgery, and eventually to construct and formulate a common classification by combining the known classes. The authors used computed tomography (CT) toward this end. METHODS: The authors retrospectively reviewed 200 consecutive CT scans (400 sides) of the paranasal sinuses...
November 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27906054/is-radical-surgery-of-an-inverted-papilloma-of-the-maxillary-sinus-obsolete-a-case-report
#2
Vedat Yildirim, Niels Christian Pausch, Dirk Halama, Heinz-Theo Lübbers, Ayhan Yildirim
BACKGROUND: Sinonasal inverted papilloma is a locally aggressive tumor arising from the Schneiderian membrane which lines the nasal cavity and paranasal sinuses. Aggressive surgical approaches, such as lateral rhinotomy, were used until recently for complete removal of the inverted papilloma. Currently, endoscopic resection is the gold standard in the treatment of inverted papilloma. However, there are situations that justify an open approach. For example there are studies that report a higher postoperative recurrence rate after endonasal endoscopic resection, particularly in the treatment of recurrent diseases...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27903128/postoperative-outcome-of-body-core-temperature-rhythm-and-sleep-wake-cycle-in-third-ventricle-craniopharyngiomas
#3
Matteo Zoli, Luisa Sambati, Laura Milanese, Matteo Foschi, Marco Faustini-Fustini, Gianluca Marucci, Dario de Biase, Giovanni Tallini, Annagrazia Cecere, Francesco Mignani, Carmelo Sturiale, Giorgio Frank, Ernesto Pasquini, Pietro Cortelli, Diego Mazzatenta, Federica Provini
OBJECTIVE One of the more serious risks in the treatment of third ventricle craniopharyngiomas is represented by hypothalamic damage. Recently, many papers have reported the expansion of the indications for the endoscopic endonasal approach (EEA) to be used for these tumors as well. The aim of this study was to assess the outcome of sleep-wake cycle and body core temperature (BCT), both depending on hypothalamic control, in patients affected by craniopharyngiomas involving the third ventricle that were surgically treated via an EEA...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27903125/outcomes-in-transcranial-microsurgery-versus-extended-endoscopic-endonasal-approach-for-primary-resection-of-adult-craniopharyngiomas
#4
Todd J Wannemuehler, Kolin E Rubel, Benjamin K Hendricks, Jonathan Y Ting, Troy D Payner, Mitesh V Shah, Aaron A Cohen-Gadol
OBJECTIVE Craniopharyngiomas have historically been resected via transcranial microsurgery (TCM). In the last 2 decades, the extended endoscopic endonasal (transtuberculum) approach to these tumors has become more widely accepted, yet there remains controversy over which approach leads to better outcomes. The purpose of this study is to determine whether differences in outcomes were identified between TCM and extended endoscopic endonasal approaches (EEEAs) in adult patients undergoing primary resection of suprasellar craniopharyngiomas at a single institution...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27903119/the-learning-curve-in-endoscopic-endonasal-resection-of-craniopharyngiomas
#5
Varun R Kshettry, Hyunwoo Do, Khaled Elshazly, Christopher J Farrell, Gurston Nyquist, Marc Rosen, James J Evans
OBJECTIVE There is a paucity of literature regarding the learning curve associated with performing endoscopic endonasal cranial base surgery. The purpose of this study was to determine to what extent a learning curve might exist for endoscopic endonasal resection in cases of craniopharyngiomas. METHODS A retrospective review was performed for all endoscopic endonasal craniopharyngioma resections performed at Thomas Jefferson University from 2005 to 2015. To assess for a learning curve effect, patients were divided into an early cohort (2005-2009, n = 20) and a late cohort (2010-2015, n = 23)...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27903113/microscopic-versus-endoscopic-approaches-for-craniopharyngiomas-choosing-the-optimal-surgical-corridor-for-maximizing-extent-of-resection-and-complication-avoidance-using-a-personalized-tailored-approach
#6
James K Liu, Ilesha A Sevak, Peter W Carmel, Jean Anderson Eloy
Resection remains the mainstay of treatment for craniopharyngiomas with the goal of radical resection, if safely possible, to minimize the rate of recurrence. Endoscopic endonasal and microscopic transcranial surgical approaches have both become standard methods for the treatment for craniopharyngiomas. However, the approach selection paradigm for craniopharyngiomas is still a point of discussion. Choosing the optimal surgical approach can play a significant role in maximizing the extent of resection and surgical outcome while minimizing the risks of potential complications...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27901326/tuberculuma-sellae-meningiomas-a-systematic-review-of-transcranial-approaches-in-the-endoscopic-era
#7
Mazda Turel, Georgios Tsermoulas, Abdulmounem Yasssin-Kassab, Deven Reddy, Hugo Andrade-Barazarte, Lior Gonen, Gelareh Zadeh, Fred Gentili
INTRODUCTION: With the advent of skull base endoscopy, tuberculum sellae meningiomas (TSMs) are currently operated both from the traditional transcranial (TC) route as well as the extended endonasal endoscopic trasnssphenoidal approach (EETS). The aim of this study was to conduct a systematic review of TSMs excised via the TC route in the modern era when the EETS excision is gaining popularity. EVIDENCE ACQUISITION: We performed a systematic review in the medical literature following the PRISMA guidelines...
November 30, 2016: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/27899081/endoscopic-endonasal-pituitary-adenomas-surgery-the-surgical-experience-of-178-consecutive-patients-and-learning-curve-of-two-neurosurgeons
#8
Xuefei Shou, Ming Shen, Qilin Zhang, Yichao Zhang, Wenqiang He, Zengyi Ma, Yao Zhao, Shiqi Li, Yongfei Wang
BACKGROUND: We aim to study surgical technique and analyze the related factors affecting tumor total removal and postoperative endocrinological remission for endoscopic endonasal pituitary adenomas surgery. METHODS: We retrospectively analyzed 178 endoscopic endonasal pituitary adenomas surgery from March 2011 to May 2014. Endonasal approach included the routine transnasal-sphenoidal approach, transnasal- maxillary sinus approach in four cases and transnasal-clivus approach in one case...
November 30, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27891029/craniovertebral-junction-360%C3%A2-a-combined-microscopic-and-endoscopic-anatomical-study
#9
Sukhdeep Singh Jhawar, Maximiliano Nunez, Paolo Pacca, Daniel Seclen Voscoboinik, Huy Truong
OBJECTIVES: Craniovertebral junction (CVJ) can be approached from various corridors depending on the location and extent of disease. A three-dimensional understanding of anatomy of CVJ is paramount for safe surgery in this region. Aim of this cadaveric study is to elucidate combined microscopic and endoscopic anatomy of critical neurovascular structures in this area in relation to bony and muscular landmarks. MATERIALS AND METHODS: Eight fresh-frozen cadaveric heads injected with color silicon were used for this study...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27890179/expanded-endonasal-endoscopic-approaches-to-the-skull-base-for-the-radiologist
#10
REVIEW
Christopher R Roxbury, Masaru Ishii, Ari Meir Blitz, Douglas D Reh, Gary L Gallia
The cranial base is a complex 3-D region that contains critical neurovascular structures. Pathologies affecting this region represent some of the most challenging lesions to manage due to difficulty with access and risk of significant postoperative morbidity. With the development of expanded endonasal endoscopic approaches, skull base surgeons use the nose and paranasal sinuses as a corridor to access selected ventral skull base lesions. This review discusses high-resolution imaging in the evaluation of patients with skull base lesions considered for endonasal endoscopic surgery, summarizes various expanded endonasal endoscopic approaches, and provides examples of commonly used expanded endonasal endoscopic procedures...
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27888088/endoscopic-endonasal-management-of-rare-sellar-lesions-clinical-and-surgical-experience-on-78-cases-and-review-of-the-literature
#11
Teresa Somma, Domenico Solari, Andre Beer-Furlan, Lelio Guida, Bradley Otto, Daniel Prevedello, Luigi Maria Cavallo, Ricardo Carrau, Paolo Cappabianca
OBJECTIVE: In the present study we aim to provide further definition of a group of rare sellar pathologies treated by the endoscopic endonasal approach. MATHERIAL AND METHODS: A retrospective analysis of data obtained from a series of 1729 patients who underwent endoscopic endonasal surgery at two academic institutions (Università degli Studi di Napoli Federico II, Naples, Italy - between January 1997 and December 2013, and The Wexner Medical Center at The Ohio State University - between July 2010 and September 2015)...
November 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27857872/the-lamb-s-head-as-a-model-for-surgical-skills-development-in-endonasal-surgery
#12
Luíza Baptista Mallmann, Otávio Bejzman Piltcher, Gustavo Rassier Isolan
Objectives To test the viability of a lamb's head model for sinonasal surgery training in Brazil by comparing performance of endoscopic procedures in the septum and inferior turbinates. Design Prospective study. Settings Universidade Federal do Rio Grande do Sul (2015). Participants Ten physicians performed septoplasty, inferior turbinoplasty, and middle turbinectomy on 30 lamb's heads. Main Outcome Measures Degree of difficulty and similarity, opinion of tissue color and texture, and degree of satisfaction...
December 2016: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/27857862/neurosurgery-concepts-key-perspectives-on-intrathecal-fluorescein-for-detecting-intraoperative-cerebrospinal-fluid-leak-during-endoscopic-endonasal-surgery-spinal-intraarterial-chemotherapy-oligoastrocytoma-classification-by-in-situ-molecular-genetics-and-prenatal
#13
https://www.readbyqxmd.com/read/27853012/outcomes-of-endoscopic-dacryocystorhinostomy-experience-of-a-fellowship-trainee-at-a-tertiary-care-center
#14
Saurabh Kamal, Mohammad Javed Ali, Akshay Gopinathan Nair
AIM: The study aims to report a single trainee's experience of learning and performing endoscopic endonasal dacryocystorhinostomy (En-DCR). SETTINGS AND DESIGN: This study was a retrospective, interventional case series. SUBJECTS AND METHODS: Fifty-four eyes of fifty patients presenting at a tertiary eye care center over 1 year were included in the study. All cases underwent endoscopic DCR with mitomycin-C and silicone intubation. The parameters studied included demographics, clinical features, intraoperative details, and postoperative ostium evaluation...
September 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27847570/parasellar-extension-grades-and-surgical-extent-in-endoscopic-endonasal-transsphenoidal-surgery-for-pituitary-adenomas-a-single-surgeon-s-consecutive-series-with-the-aspects-of-reliability-and-clinical-validity
#15
Sang-Hyo Lee, Jae-Sung Park, Song Lee, Sung-Won Kim, Yong-Kil Hong
OBJECTIVE: The inter-rater reliability of the modified Knosp's classification was measured before the analysis. The clinical validity of the parasellar extension grading system was evaluated by investigating the extents of resection and complication rates among the grades in the endoscopic endonasal transsphenoidal surgery (EETS) for pituitary adenomas. METHODS: From November 2008 to August 2015, of the 286 patients who underwent EETS by the senior author, 208 were pituitary adenoma cases (146 non-functioning pituitary adenomas, 10 adrenocorticotropic hormone-secreting adenomas, 31 growth hormone-secreting adenomas, 17 prolactin-secreting adenomas, and 4 thyroid-stimulating hormone-secreting adenomas; 23 microadenomas, 174 macroadenomas, and 11 giant adenomas)...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27846635/multilayered-closure-of-cerebrospinal-fluid-rhinorrhea-with-inlay-fascia-lata-autologous-fat-and-outlay-fascia-lata-our-experience
#16
Mehmet Akif Eryılmaz, Mitat Arıcıgil, Mehmet Akif Alan
BACKGROUND/AIMS: Since the initial use in 1981 by Wigand, different endoscopic endonasal surgery techniques have been proposed to close ventral skull base defects, all of which include multilayer closure involving vascularized mucoseptal flaps, autologous grafts, and synthetic materials. These methods are used individually or in combination, as required by the operative condition. METHODS: In this study we aimed to describe our endoscopic technique using inlay-outlay fascia lata and autologous fat with fibrin sealant to close spontaneous and traumatic cerebrospinal fluid (CSF) rhinorrhea...
November 16, 2016: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/27832622/-pre-and-intra-operative-supporting-technology-for-brain-tumors-1-endoscopic-endonasal-surgery-for-sellar-and-clival-lesions
#17
Masahiro Toda
No abstract text is available yet for this article.
November 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27806104/long-term-prognostic-analysis-after-endoscopic-endonasal-surgery-for-olfactory-neuroblastoma-a-retrospective-study-of-13-cases
#18
Luyao Zhang, Kai Niu, Kang Zhu, Cui Xia, Jing Yan, Wei Zhao, Junrong Wei, Maoli Duan, Guoxi Zheng
OBJECTIVES: To summarize the characteristics and long-term outcomes of olfactory neuroblastoma through the analysis of 13 cases in single institution, with the assessment of treatment modality, prognostic factors. METHOD: A retrospective study of thirteen cases diagnosed as olfactory neuroblastoma and underwent combined treatments during the period 2000-2010. Statistical analysis was performed to search for prognostic factors and compared different treatment modalities...
2016: PloS One
https://www.readbyqxmd.com/read/27803866/outcomes-of-endoscopic-endonasal-dacryocystorhinostomy-for-intractable-lacrimal-dacryostenosis-and-associated-factors
#19
Tohru Tanigawa, Hirokazu Sasaki, Hiroshi Nonoyama, Yuichiro Horibe, Kunihiro Nishimura, Tetsuro Hoshino, Tetsuya Ogawa, Kenta Murotani, Hiromi Ueda, Masahiro Kaneda
AIM: To examine the effects of patient age, canalicular obstruction, mode of anesthesia, and duration of nasolacrimal intubation on the outcomes of endoscopic endonasal dacryocystorhinostomy (DCR). METHODS: Totally 56 eyes of 46 patients with prolonged epiphora underwent minimally invasive endoscopic endonasal DCR. A successful surgical outcome was defined as a significant improvement in symptoms, adequate water passage from the puncta to the nasal cavity, and patency of the DCR ostium...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27791524/reoperative-endoscopic-endonasal-surgery-for-residual-or-recurrent-pituitary-adenomas
#20
Hazem M Negm, Rafid Al-Mahfoudh, Manish Pai, Harminder Singh, Salomon Cohen, Sivashanmugam Dhandapani, Vijay K Anand, Theodore H Schwartz
OBJECTIVE Regrowth of the lesion after surgical removal of pituitary adenomas is uncommon unless subtotal resection was originally achieved in the first surgery. Treatment for recurrent tumor can involve surgery or radiotherapy. Locations of residual tumor may vary based on the original approach. The authors evaluated the specific sites of residual or recurrent tumor after different transsphenoidal approaches and describe the surgical outcome of endoscopic endonasal transsphenoidal reoperation. METHODS The authors analyzed a prospectively collected database of a consecutive series of patients who had undergone endoscopic endonasal surgeries for residual or recurrent pituitary adenomas after an original transsphenoidal microscopic or endoscopic surgery...
October 28, 2016: Journal of Neurosurgery
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