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Endoscopic skull base surgery

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https://www.readbyqxmd.com/read/28104009/-endoscopic-skull-base-surgery-fast-development-in-practice
#1
Q H Zhang, J F Liu
No abstract text is available yet for this article.
January 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28099983/-the-relevance-of-abducent-nerve-palsy-in-ent
#2
Veit Maria Hofmann, Stephan M Niehues, Annett Pudszuhn
Patients suffering from abducent nerve palsy are usually primary seen by a conservative medical Specialist. In most cases the ENT specialist is secondary involved for treatment. In the majority of cases abducent nerve palsy is a temporary symptom associated with neurologic or vascular diseases. Rarely inflammation, neoplasm or fracture of the skull base cause this symptom and lead to an intervention done by the ENT surgeon. This case series describes retrospectively the abducent palsy seen through the eyes of an ENT surgeon...
January 18, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28097430/how-i-do-it-the-mononostril-endonasal-transethmoidal-paraseptal-approach
#3
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
#4
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/28056117/alopecia-following-bicoronal-incisions
#5
Sameep Kadakia, Arvind Badhey, Sara Ashai, Thomas S Lee, Yadranko Ducic
Importance: Multiple techniques may be used to perform bicoronal incisions, and alopecia is a known postoperative complication of this procedure. To date, no large studies exist comparing alopecia outcomes among bicoronal incision techniques with and without the use of Raney clips. Objective: To determine (1) whether postoperative alopecia is more common when bicoronal incisions are performed with monopolar cautery, Colorado microdissection tip cautery, or traditional cold steel and (2) whether this outcome is affected by the use of Raney clips...
January 5, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28045745/avoiding-complications-in-endoscopic-skull-base-surgery
#6
Jannis Constantinidis, Iordanis Konstantinidis
PURPOSE OF REVIEW: Endoscopic skull base surgery has become an established approach for the removal of tumors and cerebrospinal fluid fistulae repair. Compared with external approaches, it provides better aesthetic results and quality of life postoperatively. However, as it becomes popular and expands its indications possible complications should be reassessed in terms of incidence and variability in order to confirm its efficacy and safety. This article reviews the recent literature describing the main categories of possible complications suggesting strategies to minimize their incidence...
December 23, 2016: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28032687/transnasal-endoscopic-partial-maxillectomy-operative-nuances-and-proposal-for-a-comprehensive-classification-system-based-on-1378-cases
#7
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/28027059/avoiding-complications-in-endoscopic-skull-base-surgery
#8
Jannis Constantinidis, Iordanis Konstantinidis
PURPOSE OF REVIEW: Endoscopic skull base surgery has become an established approach for the removal of tumors and cerebrospinal fluid fistulae repair. Compared with external approaches, it provides better aesthetic results and quality of life postoperatively. However, as it becomes popular and expands its indications possible complications should be reassessed in terms of incidence and variability in order to confirm its efficacy and safety. This article reviews the recent literature describing the main categories of possible complications suggesting strategies to minimize their incidence...
February 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28024972/efficacy-and-complications-of-endoscopic-skull-base-surgery-for-giant-pituitary-adenomas
#9
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/27993737/bolstering-the-nasoseptal-flap-using-sphenoid-sinus-fat-packing-a-technical-case-report
#10
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
#11
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/27978875/-endoscopic-surgery-and-reconstruction-for-extensive-osteoradionecrosis-of-skull-base-after-radiotherapy-for-nasopharyngeal-carcinoma
#12
Z Chen, Q H Qiu, J B Zhan, Z C Zhu, Y Peng, H Liu
Objective: To investigate the clinical efficacy of endoscopic surgery for extensive osteoradionecrosis (ORN) of skull base in patients with nasopharyngeal carcinoma (NPC) after radiotherapy. Methods: Seventeen patients diagnosed as ORN of skull base after radiotherapy for NPC and underwent endoscopic surgery were retrospectively studied with their clinic data. Results: Based on the CT and endoscopic examination, all patients had large skull base defects with bone defects averaged 7.02 cm(2) (range, 3.60 - 14...
December 7, 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/27975017/endoscopic-adipofascial-radial-forearm-flap-reconstruction-of-a-clival-defect
#13
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/27930469/frontal-sinus-pneumatization-affects-height-of-the-lateral-lamella-and-position-of-anterior-ethmoidal-artery
#14
Şenol Çomoğlu, Bayram Şahin, Said Sönmez, Kemal Değer
Preoperative evaluation of the frontal sinus (FS) and associated anatomical structures may reduce the risk of intraoperative complications and facilitate the management of potential complications. In this study, the authors aimed to evaluate relationship between FS pneumatization and critical anatomical structures. Paranasal sinus computerized tomography scans of 350 sides of 175 patients were evaluated. The pneumatization pattern of the FS, FS dimensions (on the axial, coronal, and sagittal slices), anterior ethmoidal artery, and depth of the of olfactory fossa were evaluated for every patient on both sides...
December 7, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27924417/surgical-resection-of-skull-base-chordomas-experience-in-case-selection-for-surgical-approach-according-to-anatomical-compartments-and-review-of-the-literature
#15
Nir Shimony, Lior Gonen, Ben Shofty, Avraham Abergel, Dan M Fliss, Nevo Margalit
BACKGROUND: Chordoma is a rare bony malignancy known to have a high rate of local recurrence after surgery. The best treatment paradigm is still being evaluated. We report our experience and review the literature. We emphasize on the difference between endoscopic and open craniotomy in regard to the anatomical compartment harboring the tumor, the limitations of the approaches and the rate of surgical resection. METHOD: We retrospectively collected all patients with skull-base chordomas operated on between 2004 and 2014...
December 6, 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27919596/chimeric-anterolateral-thigh-free-flap-for-reconstruction-of-complex-cranio-orbito-facial-defects-after-skull-base-cancers-resection
#16
Mario Cherubino, Mario Turri-Zanoni, Paolo Battaglia, Marco Giudice, Igor Pellegatta, Federico Tamborini, Francesca Maggiulli, Luca Guzzetti, Danilo Di Giovanna, Maurizio Bignami, Carolina Calati, Paolo Castelnuovo, Luigi Valdatta
Complex cranio-orbito-facial defects after skull base cancers resection entail a functional and esthetic reconstruction. The introduction of endoscopic assisted techniques for excision surgery with the advances in reconstructive surgery and anesthesiology allowed to improve the management of such critical patients. We report a series of chimeric anterolateral thigh (ALT) flaps used to reconstruct complex cranio-orbital-facial defects after skull base surgery. A retrospective review of patients that underwent cranio-orbito-facial reconstruction using a chimeric ALT flap from March 2013 to October 2015 at a single tertiary care referral Institute was performed...
January 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27906848/calculation-of-an-optic-nerve-injury-risk-profile-before-sphenoid-sinus-surgery
#17
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/27901326/tuberculuma-sellae-meningiomas-a-systematic-review-of-transcranial-approaches-in-the-endoscopic-era
#18
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/27900036/management-of-pediatric-head-and-neck-rhabdomyosarcoma-a-case-series-of-36-patients
#19
Joanna Radzikowska, Wojciech Kukwa, Andrzej Kukwa, Anna M Czarnecka, Maciej Kawecki, Fei Lian, Cezary Szczylik, Antoni Krzeski
Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in the pediatric population. In 35% of cases, RMS develops in the head and neck (H&N) region, and only combined therapy is recognized as a curative treatment. However, recent advances in skull base and reconstructive surgery, along with microsurgery and endoscopic surgery, have strengthened the role of surgery as an important part of RMS treatment. In the present study, 36 pediatric RMS cases (24 males and 12 females) were analyzed after surgical treatment...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27890187/imaging-of-paranasal-sinuses-and-anterior-skull-base-and-relevant-anatomic-variations
#20
REVIEW
Estushi Iida, Yoshimi Anzai
This article reviews the normal anatomy and variants of the anterior skull base and sinonasal cavities that are relevant to endoscopic sinus and skull base surgery. Radiologists should be aware of sinonasal anatomy that can be impediments to surgical access and increase risk of vascular or cranial nerve injury during surgery. Imaging features of the paranasal sinuses and anterior skull base pathologies are also discussed.
January 2017: Radiologic Clinics of North America
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