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Endoscopic endonasal surgery

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https://www.readbyqxmd.com/read/28097430/how-i-do-it-the-mononostril-endonasal-transethmoidal-paraseptal-approach
#1
Robert Reisch, Hans Rudolf Briner, Anne-Katrin Hickmann
BACKGROUND: The use of endoscopes in transnasal surgery offers increased visualization. To minimize rhinological morbidity without restriction in manipulation, we introduced the mononostril transethmoidal-paraseptal approach. METHODS: The aim of the transethmoidal-paraseptal approach is to create sufficient space within the nasal cavity, without removal of nasal turbinates and septum. Therefore, as a first step, a partial ethmoidectomy is performed. The middle and superior turbinates are then lateralized into the ethmoidal space, allowing a wide sphenoidotomy with exposure of the central skull base...
January 18, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28089805/surgical-outcomes-of-endoscopic-endonasal-skull-base-surgery-of-craniopharyngiomas-evaluated-according-to-the-degree-of-hypothalamic-extension
#2
Shigetoshi Yano, Takuichiro Hide, Naoki Shinojima
OBJECTIVE: Sparing the hypothalamus following craniopharyngiomas treatment is a prerequisite to ensure a good quality of life. In this study, the functional prognosis of craniopharyngioma following Endoscopic endonasal skull base surgery (EES) was examined in function of the degree of hypothalamic extension. MATERIALS AND METHODS: Twenty cases of craniopharyngioma treated by EES were categorized according to Puget's classification using preoperative and postoperative MRI...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28032687/transnasal-endoscopic-partial-maxillectomy-operative-nuances-and-proposal-for-a-comprehensive-classification-system-based-on-1378-cases
#3
Mario Turri-Zanoni, Paolo Battaglia, Apostolos Karligkiotis, Davide Lepera, Jacopo Zocchi, Iacopo Dallan, Maurizio Bignami, Paolo Castelnuovo
BACKGROUND: Despite the development of functional endoscopic endonasal surgery, there are still areas of the maxillary sinus that remain technically difficult to access using a standard middle meatal antrostomy as well as deep-seated skull base lesions requiring expanded transmaxillary approaches. METHODS: All patients who underwent transnasal endoscopic partial maxillectomy (TEPM) in a single institution from 2000 to 2014 were retrospectively reviewed. The TEPM was classified into 5 types according to the anatomic structures progressively removed and to the access provided...
December 29, 2016: Head & Neck
https://www.readbyqxmd.com/read/28026837/trigeminal-sensitivity-in-chronic-rhinosinusitis-topographical-di-erences-and-the-e-ect-of-surgery
#4
S C Poletti, M Cuevas, S Weile, T Hummel
INTRODUCTION: Little is known on endonasal trigeminal sensitivity in patients with chronic rhinosinusitis with nasal polyps (CRSwNP). The aim of our study was to investigate changes in trigeminal sensitivity in patients with CRSwNP and the effect of functional endoscopic sinus surgery (FESS) on trigeminal perception. METHODS: A prospective study was performed to investigate the trigeminal sensitivity at three different locations within the nose (anterior septum, anterior lateral wall, middle turbinate) using electrical stimuli...
December 27, 2016: Rhinology
https://www.readbyqxmd.com/read/28024972/efficacy-and-complications-of-endoscopic-skull-base-surgery-for-giant-pituitary-adenomas
#5
Shigetoshi Yano, Takuichiro Hide, Naoki Shinojima
OBJECTIVE: Treatment of giant pituitary adenomas is challenging. Endoscopic endonasal skull base surgery (EES) was estimated the surgical results and complication for giant pituitary adenomas. METHODS: Thirty-four pituitary adenomas larger than 40 mm treated by EES between 2002 and 2015 were studied. Removal rates, symptoms, and complications were analyzed by direction of tumor extension. RESULTS: Average tumor size was 45.5 mm. Near-total resection (NTR) was achieved in 16 of 34 (47...
December 23, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28005798/simultaneous-bilateral-endonasal-endoscopic-dacryocystorhinostomy-a-low-cost-fast-and-successful-method
#6
Cem Bayraktar, Ayşe Sevgi Karadağ, Sedat Doğan, Ali Şimşek, Emin Kaskalan, Musa Çapkin
The etiology of primary nasolacrimal duct obstruction is largely unknown, and this disease may occur bilaterally in a small percentage of patients. In this retrospective study, the authors aimed to discuss the cost, operation time, complications, and success rate of simultaneous bilateral endonasal endoscopic surgery. Twenty-eight patients (16 female, 12 male) were enrolled in this study, with a mean age of 55 years old (range: 43-76). The success rate was 91% (51/56), and the mean operation time was 44 minutes...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28003168/endoscopic-endonasal-surgery-for-remission-of-cushing-disease-caused-by-ectopic-intracavernous-macroadenoma-case-report-and-literature-review
#7
Maria Koutourousiou, Welby I Winstead
BACKGROUND: Complete surgical resection of an adrenocorticotropic hormone (ACTH)-secreting pituitary adenoma is the gold standard of treatment of Cushing disease. Ectopic location of these adenomas is an extremely rare condition that may compromise the diagnosis and surgical success. We present the first case of an ectopic intracavernous ACTH-secreting macroadenoma totally resected with endoscopic endonasal surgery (EES). CASE DESCRIPTION: A 36-year-old woman presented with Cushing syndrome...
December 18, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27993737/bolstering-the-nasoseptal-flap-using-sphenoid-sinus-fat-packing-a-technical-case-report
#8
Hussam Abou-Al-Shaar, Hasan A Zaidi, David J Cote, Edward R Laws
BACKGROUND: Resection of extensive skull base lesions often necessitates relatively large dural openings and arachnoid, resulting in skull base defects with the potential for a post-operative cerebrospinal fluid (CSF) leak. A nasoseptal flap (NSF) is a vascularized graft which has greatly diminished the incidence of CSF leak. Annealing of flaps against the ventral skull base can be tenuous within the first few days after surgery. We report the use of sphenoid sinus fat packing as a buttress to support the nasoseptal flap during skull base reconstruction...
December 16, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27989971/neurophysiological-identification-of-cranial-nerves-during-endoscopic-endonasal-surgery-of-skull-base-tumors-a-pilot-study-technical-report
#9
Alexey Nikolaevich Shkarubo, Anna Anatolievna Ogurtsova, Dmitry Aleksandrovich Moshchev, Andrew Jurievich Lubnin, Dmitry Nicolaevich Andreev, Konstantin Vladimirovich Koval, IliaValerievich Chernov
INTRODUCTION: Intraoperative identification of cranial nerves is crucial for safe surgery of skull base tumors. Currently, there is only a small number of published papers describing the technique of t-EMG in endoscopic endonasal removal of such tumors. OBJECTIVE: To assess the effectiveness of trigger electromyography in preventing intraoperative cranial nerve damage in endoscopic endonasal surgery of skull base tumors. MATERIALS AND METHODS: Nine patients were operated on using the endoscopic endonasal approach within a one-year period...
October 27, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27988033/magnetic-resonance-imaging-and-histology-correlation-in-cushing-s-disease
#10
Václav Masopust, David Netuka, Vladimír Beneš, Martin Májovský, Tomáš Belšán, Ondřej Bradáč, Daniel Hořínek, Mikuláš Kosák, Václav Hána, Michal Kršek
INTRODUCTION: We continuously look for new techniques to improve the radicality of resection and to eliminate the negative effects of surgery. One of the methods that has been implemented in the perioperative management of Cushing's disease was the combination of three magnetic resonance imaging (MRI) sequences: SE, SPGR and fSPGR. MATERIAL AND METHODS: We enrolled 41 patients (11 males, 30 females) diagnosed with Cushing's disease. A 3D tumour model with a navigation console was developed using each SPGR, fSPGR and SE sequence...
November 2, 2016: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/27975017/endoscopic-adipofascial-radial-forearm-flap-reconstruction-of-a-clival-defect
#11
Trevor G Hackman
Skull base surgical defects present unique challenges to anatomic and functional reconstruction. Fortunately, many endonasal skull base defects are successfully managed with a variety of local and regional reconstructive techniques. However, when prior surgery or radiotherapy eliminates the use of these local and regional reconstructive options, more elaborate free tissue transfer techniques are required. Managing endoscopic skull base defects of the anterior cranial fossa and clivus is further complicated by the limited access afforded for flap inset...
November 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27942886/modified-technique-for-endoscopic-endonasal-reduction-of-medial-orbital-wall-fracture-using-an-absorbable-packing
#12
Pasquale Procacci, L Trevisiol, P F Nocini, V Favero, A D'Agostino
PURPOSE: The purpose of this study was to describe a modified technique using only biological dura substitute (Lyoplant®) associated or not to a sheet of Medpore® (porous polyethylene plate) avoiding the use of Silastic® or Merocel® packing for endoscopic endonasal reduction of medial orbital wall fracture. METHODS: An interventional case report was used involving two patients with medial orbital wall fracture that were treated with the modified technique. Postoperatively, the patients were evaluated for visual acuity, enophthalmos, extraocular motility, and diplopia...
December 10, 2016: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27932744/-preservation-of-sinonasal-function-in-endoscopic-endonasal-surgery
#13
Yasunori Fujimoto, Masaki Hayama, Toshiki Yoshimine
No abstract text is available yet for this article.
December 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27906848/calculation-of-an-optic-nerve-injury-risk-profile-before-sphenoid-sinus-surgery
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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