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https://www.readbyqxmd.com/read/28731399/expanding-the-endoscopic-transpterygoid-corridor-to-the-petroclival-region-anatomical-study-and-volumetric-comparative-analysis
#1
Jacob L Freeman, Raghuram Sampath, Steven Craig Quattlebaum, Michael A Casey, Zach A Folzenlogen, Vijay R Ramakrishnan, A Samy Youssef
OBJECTIVE The endoscopic endonasal transmaxillary transpterygoid (TMTP) approach has been the gateway for lateral skull base exposure. Removal of the cartilaginous eustachian tube (ET) and lateral mobilization of the internal carotid artery (ICA) are technically demanding adjunctive steps that are used to access the petroclival region. The gained expansion of the deep working corridor provided by these maneuvers has yet to be quantified. METHODS The TMTP approach with cartilaginous ET removal and ICA mobilization was performed in 5 adult cadaveric heads (10 sides)...
July 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28731395/nasoseptal-flap-necrosis-a-rare-complication-of-endoscopic-endonasal-surgery
#2
Joseph D Chabot, Chirag R Patel, Marion A Hughes, Eric W Wang, Carl H Snyderman, Paul A Gardner, Juan C Fernandez-Miranda
OBJECTIVE The vascularized nasoseptal flap (NSF) has become the workhorse for skull base reconstruction during endoscopic endonasal surgery (EES) of the ventral skull base. Although infrequently reported, as with any vascularized flap the NSF may undergo ischemic necrosis and become a nidus for infection. The University of Pittsburgh Medical Center's experience with NSF was reviewed to determine the incidence of necrotic NSF in patients following EES and describe the clinical presentation, imaging characteristics, and risk factors associated with this complication...
July 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28725518/preferences-and-utilities-for-health-states-after-treatment-of-olfactory-groove-meningioma-endoscopic-versus-open
#3
Christopher M Yao, Alyssa Kahane, Eric Monteiro, Fred Gentili, Gelareh Zadeh, John R de Almeida
Objectives  The purpose of this study is to report health utility scores for patients with olfactory groove meningiomas (OGM) treated with either the standard transcranial approach, or the expanded endonasal endoscopic approach. Design  The time trade-off technique was used to derive health utility scores. Setting  Healthy individuals without skull base tumors were surveyed. Main Outcome Measures  Participants reviewed and rated scenarios describing treatment (endoscopic, open, stereotactic radiation, watchful waiting), remission, recurrence, and complications associated with the management of OGMs...
August 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28720745/-a-case-of-intradural-retroclival-chordoma
#4
Hiroki Takahashi, Yasuyuki Kinoshita, Satoshi Usui, Koji Arihiro, Shuji Kimura, Takafumi Mitsuhara, Kaoru Kurisu
A 67-year-old woman was referred to our department with a retroclival lesion including a cyst on MRI. MRI revealed a lesion appearing as an isointense region on a diffusion-weighted image(DWI). Gadolinium(Gd)-DTPA T1-WI showed heterogeneous enhancement of the lesion in the prepontine cistern. Computed tomography(CT)revealed an isodense lesion with no invasion into the clival bone. Based on a preoperative diagnosis of retroclival chordoma, extended trans-sphenoidal surgery(TSS)was performed by a direct endoscopic endonasal approach via the left nostril...
July 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28712905/endoscopic-endonasal-transsphenoidal-approach-for-the-removal-of-optochiasmatic-cavernoma-a-case-report-and-literature-review
#5
Xiaoli Meng, Xiaoli Feng, Jinghai Wan
BACKGROUND: Cavernoma of the optic chiasm is a rare disease, and the most common clinical presentation is chiasmal apoplexy. Almost all the cases reported in the literature were treated surgically with craniotomy. CASE DESCRIPTION: We report a case of optochiasmatic cavernoma successfully resected via an endoscopic endonasal transsphenoidal approach (EETA). CONCLUSIONS: Rapid diagnosis and complete resection of a symptomatic optochiasmatic cavernoma are helpful in improving visual dysfunction...
July 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28705702/recurrent-pituicytoma-with-pseudoaneurysm-report-of-a-challenging-case
#6
Stefano Peron, Jaime Mandelli, Nicola Galante, Stefano Colombo, Davide Locatelli
BACKGROUND: Pituicytoma is a rare tumor originating from glial cells of the adult neurohypophysis and infundibulum. Surgical removal is the treatment of choice for this neoplasm. In recent years the endoscopic endonasal approach has proven to be a viable and effective alternative to standard craniotomy. CASE DESCRIPTION: We report a case of a patient submitted to surgical treatment for a recurrence of pituicytoma, which was operated on transcranially at another hospital approximately five years previously...
July 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28698083/a-hemorrhagic-clival-chordoma-with-a-long-progression-free-survival-case-report
#7
Marcelo D Vilela, Hugo As Pedrosa, Marco Antonio Dias Filho
BACKGROUND: Chordomas and ecchordosis physaliphora may on rare occasions present with intracranial hemorrhage. Their distinction usually relies on the results of the Ki67 proliferative index, with a result lower than 1% favoring ecchordosis physaliphora. Intracranial hemorrhagic chordomas have been linked to unfavorable prognosis, due to acute neurological deterioration and death, or progression following treatment. To the best of our knowledge, this is the first report of an intracranial hemorrhagic chordoma who had a long progression free survival...
July 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28692517/resection-of-adenoid-cystic-carcinoma-originating-from-the-cavernous-sinus-via-endoscopic-endonasal-approach
#8
Jingpu Yang, Wei Zhong, Jinzhang Cheng, Zhuping Zhang, Song Li, Zonggui Wang
A 50-year-old woman presented with gradually increasing right-sided facial numbness. Neuroimaging revealed a lesion in the right cavernous sinus mimicking meningioma. The resection of the right cavernous sinus neoplasm was implemented via endoscopic endonasal approach under general anesthesia. Histological examination of the surgical specimen revealed adenoid cystic carcinoma. Adenoid cystic carcinoma in the cavernous sinus is extremely rare as a primary lesion and challenging to manage. Little data exist to guide treatment when this tumor extends to involve the structure of cavernous sinus...
July 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28689974/endoscopic-surgery-for-sinonasal-tumors-the-transcribriform-approach
#9
R Thomas, P Martin, D Patrick, M Justin
Over the past 10 to 20 years, endoscopic endonasal surgery has become for many teams the preferred treatment for sinonasal tumors. Technical advances in the field of surgical instrumentation (good visualization, hemostasis…) and the progress of imaging guidance (to avoid neurovascular complication) has made those procedures simpler and safer. Nevertheless, endonasal endoscopic procedures require a trained surgical team of ENT specialist and neurosurgeon. Endoscopic endonasal surgery has been reported to be feasible for all types of sinonasal tumors whether benign tumors such as inverted papillomas, or malignant tumors...
July 8, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28687446/preservation-of-hormonal-function-by-identifying-pituitary-gland-at-endoscopic-surgery
#10
Stefan Linsler, Renate Hero-Gross, Bettina Friesenhahn-Ochs, Salman Sharif, Frank Lammert, Joachim Oertel
OBJECTIVE: The endonasal endoscopic approach has been established for perisellar tumor surgery with a higher resection rate and reduced complications. We analyzed the potential to identify the pituitary gland under endoscopic view, at surgery and see its relation to postoperative hormonal insufficiency in endonasal endoscopic procedures. METHODS: Between January 2011 and January 2014, 70 cases of pituitary adenomas with preoperative intact pituitary function underwent endoscopic endonasal transsphenoidal procedures for intrasellar pathologies...
July 4, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28676464/endonasal-endoscopic-odontoidectomy-in-ventral-pathologies-of-the-cranio-cervical-junction-results-of-a-multicenter-experience
#11
Salvatore Chibbaro, Helene Cebula, Sorin Aldea, Bertrand Baussart, Leonardo Tigan, Julien Todeschi, Antonio Romano, Mario Ganau, Christian Debry, Franco Servadei, Francois Proust, Stephane Gaillard
BACKGROUND: Over the past decades, supported by preliminary anatomical and clinical studies exploring its feasibility and safety, an ever growing experience was built on the use of the endoscopic endonasal approach (EEA) to ventral pathologies at the cranio-cervical junction (CCJ). PATIENTS AND METHODS: Multicenter study over a 4 years period on 14 patients managed by EEA odontoidectomy for CCJ pathologies causing irreducible atlanto-axial dislocation. The surgical set up included an IGS system based on CT and MRI images fusion, and 0° and 30° angled endoscopes with dedicated endoscopic tools...
July 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28676314/cerebrospinal-fluid-leaks-after-transsphenoidal-surgery-effect-of-a-polyethylene-glycol-hydrogel-dural-sealant
#12
REVIEW
Erlick A C Pereira, Carly A Grandidge, Victoria A Nowak, Simon A Cudlip
To investigate cerebrospinal fluid (CSF) leak rates after mainly endoscopic endonasal transsphenoidal surgery with and without polyethylene glycol hydrogel dural sealant (DuraSeal®), we prospectively collected data from a single-centre consecutive case series over four years from January 2007 to December 2010 inclusive. 250 patients were identified (135 male, 115 female; median age 52years, range 14-83). 180 patients received DuraSeal® (72%). 85 (34%) had intra-operative dural breach and 13 (5.2%) developed post-operative CSF leaks (3 without intra-operative dural breach) requiring lumbar drainage or formal repair...
July 1, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28669873/endoscopic-endonasal-surgery-for-pituitary-apoplexy-evidences-from-a-75-cases-series-from-a-tertiary-care-center
#13
Matteo Zoli, Laura Milanese, Marco Faustini-Fustini, Federica Guaraldi, Sofia Asioli, Corrado Zenesini, Alberto Righi, Giorgio Frank, Maria Pia Foschini, Carmelo Sturiale, Ernesto Pasquini, Diego Mazzatenta
BACKGROUND: The optimal management of PA remains debated. The aim of this study was to assess the outcome of TA in PA in a large surgical experience. MATERIALS: Each consecutive case of PA consecutively operated by EEA from our tertiary care center, from 1998 to 2015, were was included in this series. RESULTS: Seventy-five patients (47 males; mean age 52.4 ± 16.2 years, SD:16.2) were included. Mean follow-up was 69.3 ± 46.7 months. On admission, all patients presented with abrupt onset severe headache (100%), associated with nterior hypopituitarism in 51 patients (68%), visual disturbances in 55 (73...
June 29, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28666364/-live-cadaver-model-for-internal-carotid-artery-injury-simulation-in-endoscopic-endonasal-skull-base-surgery
#14
Paolo Pacca, Sukhdeep S Jhawar, Daniel V Seclen, Eric Wang, Carl Snyderman, Paul A Gardner, Emad Aboud, Juan C Fernandez-Miranda
Background: Intraoperative injury of the internal carotid artery (ICA) is the most dreaded complication in endoscopic endonasal surgery (EES) of skull base. Training for ICA injury is practically impossible in live operative settings. Objective: To evaluate a pulsatile perfusion-based live cadaveric model for ICA injury simulation in a laboratory setting. The major emphasis of the study was to evaluate various means of controlling acute bleeding and evaluating the practical utility of this model for training purposes...
June 29, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28665391/-tactics-of-reconstructive-closure-of-basal-defects-after-resection-of-midline-tumors-of-the-anterior-skull-base-a-literature-review
#15
D A Gol'bin, S N Mindlin
The purpose of this review is to analyze the techniques used to reconstruct midline defects in the anterior skull base after transcranial and endoscopic endonasal resection of skull base tumors. We provide brief information on the technique for preparing various flaps, indications and contraindications, and advantages and disadvantages. We analyze the international experience in the use of vascularized and non-vascularized flaps as well as the existing algorithms for reconstruction of complex defects of the midline structures of the skull base...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28643208/visual-outcomes-after-endoscopic-endonasal-pituitary-adenoma-resection-a-systematic-review-and-meta-analysis
#16
REVIEW
Ivo S Muskens, Amir H Zamanipoor Najafabadi, Vanessa Briceno, Nayan Lamba, Joeky T Senders, Wouter R van Furth, Marco J T Verstegen, Timothy R S Smith, Rania A Mekary, Christine A E Eenhorst, Marike L D Broekman
PURPOSE: Patients with pituitary adenomas often present with visual deficits. While the aim of endoscopic endonasal transsphenoidal surgery (EETS) is to improve these deficits, permanent worsening is a possible outcome. The aim of this meta-analysis was to evaluate the effect of EETS for pituitary adenomas on visual outcomes. METHODS: A meta-analysis was conducted according to the PRISMA guidelines. Pooled prevalence was calculated for complete recovery, improvement, and deterioration of visual field deficits, visual acuity and unspecified visual function in fixed- and random-effect models, including assessment of heterogeneity (I(2)) and publication bias (Begg's test)...
June 22, 2017: Pituitary
https://www.readbyqxmd.com/read/28643170/predictors-and-incidence-of-orthostatic-headache-associated-with-lumbar-drain-placement-following-endoscopic-endonasal-skull-base-surgery
#17
Buqing Liang, Sathwik R Shetty, Sacit Bulent Omay, Joao Paulo Almeida, Shilei Ni, Yu-Ning Chen, Armando S Ruiz-Treviño, Vijay K Anand, Theodore H Schwartz
BACKGROUND: Orthostatic headache (OH) is a potential complication of lumbar drainage (LD) usage. The incidence and risk factors for OH with the use of lumbar drainage during endoscopic endonasal procedures have not been documented. OBJECTIVE: To investigate the incidence of post-procedure OHs associated with placement of LD in patients undergoing endoscopic endonasal procedures. METHODS: We prospectively noted the placement of LDs in a consecutive series of endoscopic endonasal skull base surgeries...
August 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28636742/results-of-endonasal-dacryocystorhinostomy-in-pediatric-patients
#18
Sat Paul Gulati, Raman Wadhera, Ashok Kumar Khurana, Nidhi Singh, Vijay Kalra, Anju Ghai
We conducted a prospective interventional study to evaluate the role of endoscopic endonasal dacryocystorhinostomy in children. Our study population was made up of 20 patients-18 boys and 2 girls, aged 2 to 12 years (mean: 5.3)-who presented with signs and symptoms suggestive of nasolacrimal duct blockage that was refractory to conventional medical treatment. In all cases, blockage was confirmed by nasolacrimal duct syringing that demonstrated regurgitation from the opposite punctum. The primary outcome measures for success were resolution of symptoms and duct patency on lacrimal irrigation...
June 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28631677/-topographical-and-anatomical-localization-of-the-lacrimal-passages-in-the-nasal-cavity
#19
M M Magomedov, D V Andriayshkin, M N Magomedova, D F Zeinalova
The objective of the present work was to study topographical and anatomical relationships between the lacrimal passages and the walls of the nasal cavity from the standpoint of the rhinosurgeon. The materials for the study were obtained by examining 15 corpses. It was found out that in 91% of the cases, the natural ostium of the maxillary sinus is localized within 11.6 cm from the lacrimal tubercle. In 62% of the cases, the nasolacrimal passage opens in the region of the vault of the inferior nasal passage as an orifice roughly 0...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28630665/fronto-orbital-mucocele-with-intracranial-extension-a-case-report
#20
Rocco Severino, Paolo Severino
Frontal sinus mucoceles are benign, pseudocystic lesion deriving from the obliteration of the sinus ostium, resulting in a continuous mucous accumulation. The growing process of a mucocele leads to a progressive enlargement of the sinus cavity, thickening and eroding its bony walls up to invading the surrounding tissues. The surgical procedure through an endoscopic endonasal approach is the current treatment option for such conditions, but in cases with an extensive bone erosion and intracranial or intraorbital extension, a transcranial approach should be preferred...
June 2017: Journal of Surgical Case Reports
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