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Endoscopic skull base

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https://www.readbyqxmd.com/read/29680444/sinonasal-outcome-after-endoscopic-mononostril-transsphenoidal-surgery-a-single-center-cohort-study
#1
Stefan Linsler, Benjamin Prokein, Philipp Hendrix, Joachim Oertel
OBJECTIVE: The endoscopic endonasal approach has been well established for skull base surgery. However, there are only few studies pointing out nasal complaints after surgery. In this study, the authors evaluated postoperative nasal complaints and complications after mononostril endoscopic procedures. METHODS: All patients operated on parasellar and sellar pathologies at our department via an endoscopic mononostril transnasal transsphenoidal approach from January 2011 to May 2015 were analyzed...
April 18, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29676691/defining-the-lateral-limits-of-the-endoscopic-endonasal-transtuberculum-transplanum-approach-anatomical-study-with-pertinent-quantitative-analysis
#2
Alberto Di Somma, Jorge Torales, Luigi Maria Cavallo, Jose Pineda, Domenico Solari, Rosa Maria Gerardi, Federico Frio, Joaquim Enseñat, Alberto Prats-Galino, Paolo Cappabianca
OBJECTIVE The extended endoscopic endonasal transtuberculum transplanum approach is currently used for the surgical treatment of selected midline anterior skull base lesions. Nevertheless, the possibility of accessing the lateral aspects of the planum sphenoidale could represent a limitation for such an approach. To the authors' knowledge, a clear definition of the eventual anatomical boundaries has not been delineated. Hence, the present study aimed to detail and quantify the maximum amount of bone removal over the planum sphenoidale required via the endonasal pathway to achieve the most lateral extension of such a corridor and to evaluate the relative surgical freedom...
April 20, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29669134/giant-olfactory-groove-meningioma-2-staged-approach-2-dimensional-operative-video
#3
Alexandre B Todeschini, Mostafa Shahein, Alaa S Montaser, Douglas Hardesty, Bradley A Otto, Ricardo L Carrau, Daniel M Prevedello
A 42-yr-old female presented with an olfactory groove meningioma causing progressive vision loss and anosmia. Given the size of the tumor, we opted for a 2-stage surgery: endoscopic endonasal approach (EEA) followed by a craniotomy. Stage I surgery was a transcribriform transplanum EEA using a binostril 4-hand/2 surgeons (ENT and neuro) technique, with the patient positioned supine with the head slightly turned to the right side and tilted to the left, fixed in a 3-pin head clamp, under imaging guidance, in which we drilled out all the affected skull base bone, devascularized and debulked the tumor...
April 16, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29657933/relationship-between-height-of-ethmoid-skull-base-and-length-of-lateral-lamella-by-sectional-coronal-computed-tomography-scan-before-endoscopic-sinus-surgery
#4
Seyyed Mustafa Hashemi, Nezamoddin Berjis, Hamidreza Ebrahimi
Background: Damage to ethmoid skull base (ESB) and lateral lamella (LL) during endoscopic sinus surgery (ESS) causes penetration into the brain. This study is aimed to determine the relationship between the height of ESB and length of LL by sectional coronal computed tomography (CT) scans before ESS. Materials and Methods: In a cross-sectional study, 100 patients admitted to ENT clinic of Al-Zahra Hospital, filled the consents regarding the use of CT scan stereotype...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29649644/endoscopic-transseptal-approach-with-a-bilateral-nasoseptal-flap-in-challenging-skull-base-tumors
#5
Do Hyun Kim, Yong-Kil Hong, Sin-Soo Jeun, Jae-Sung Park, Soo Whan Kim, Jin Hee Cho, Yong Jin Park, Sung Won Kim
OBJECTIVE: To examine the utility of an endoscopic transseptal approach and the creation of a bilateral nasoseptal flap using a two-nostrils/four-hands technique in patients with challenging skull-base tumors. METHODS: The medical records of patients operated on via an endoscopic transseptal approach between 2009 and 2017 were retrospectively reviewed. Two patients with ossifying fibroma, two with orbital hemangioma, two with trigeminal nerve schwannoma, and one patient each with juvenile angiofibroma, meningioma, and myxofibrosarcoma were included in the study...
April 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29645349/endoscopic-and-external-approaches-for-orbital-decompression-an-analysis-of-trends-from-a-u-s-perspective
#6
Peter F Svider, Khashayar Arianpour, Brandon Nguyen, Wayne D Hsueh, Paul D Langer, Jean Anderson Eloy, Adam J Folbe
BACKGROUND: Although the endoscopic approach has been increasingly utilized for a variety of sinonasal and skull base pathologies, there has been little inquiry into its adoption in the surgical management of orbital disease. Our objective was to evaluate nationwide temporal and geographic trends in approaches for orbital decompression. METHODS: Data available from the Centers for Medicare and Medicaid Services (CMS) were evaluated, focusing on the use of open and endoscopic approaches for orbital decompression (CPT codes 67414, 67445, 31292, and 31293) among Medicare beneficiaries over a 10-year period...
April 12, 2018: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29619106/an-analysis-of-anatomic-variations-of-the-sphenoid-sinus-and-its-relationship-to-the-internal-carotid-artery
#7
Myrian Marajó Dal Secchi, Ricardo Landini Lutaif Dolci, Reginaldo Teixeira, Paulo Roberto Lazarini
Introduction  The sphenoid sinus (SS) has a high variability; its anatomical relations and variations must be well understood prior to the expanded endoscopic surgery (EES) at the skull base via the endonasal transsphenoidal approach. A feared complication is injury to the internal carotid artery (ICA). Objective  To evaluate the anatomic variations of the SS and its relationship to the ICA using computed tomography (CT). Methods  Cross-sectional retrospective study. Analysis of 90 patients' CT scans on axial, coronal and sagittal planes with 1 mm slices, evaluating lateral and posterior extensions of pneumatization of the SS, deviation of the sphenoid septum, presence of septations and their relationship to the parasellar and paraclival segments of the internal carotid artery (psICA and pcICA, respectively)...
April 2018: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/29617919/combined-nasoseptal-and-inferior-turbinate-flap-for-reconstruction-of-large-skull-base-defect-after-expanded-endonasal-approach-operative-technique
#8
Julien Boetto, Moujahed Labidi, Kentaro Watanabe, Shunya Hanakita, Schahrazed Bouazza, Thibault Passeri, Anne-Laure Bernat, Sebastien Froelich
BACKROUND: Increasing indications for endoscopic endonasal approaches have led neurosurgeons to develop new reconstruction techniques for larger skull base defects. Vascularized grafts have been a great adjunction to reduce the rate of cerebrospinal fluid leak and can also be used to cover exposed critical structures such as the internal carotid artery. The nasoseptal flap and the inferior or middle turbinate flap are thus widely used in endoscopic skull base surgery, but may be insufficient for very large defects...
March 29, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29607683/petroclival-tension-pneumocephalus-an-unrivalled-life-threatening-complication-linked-to-molecular-targeted-therapy
#9
Alhusain Nagm, Toshihiro Ogiwara, Akihiro Nishikawa, Shunsuke Ichinose, Kazuhiro Hongo
A 73-year-old man with a petroclival tumor (metastatic renal cell carcinoma) presented with a progressive consciousness disturbance attributed to tension pneumocephalus during molecular-targeted therapy following low-dose fractionated radiotherapy for a petroclival tumor. The skull base defect was successfully reconstructed vi an endoscopic endonasal approach.
April 2, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29606040/decision-making-algorithm-for-minimally-invasive-approaches-to-anterior-skull-base-meningiomas
#10
Malte Ottenhausen, Kavelin Rumalla, Andrew F Alalade, Prakash Nair, Emanuele La Corte, Iyan Younus, Jonathan A Forbes, Atef Ben Nsir, Matei A Banu, Apostolos John Tsiouris, Theodore H Schwartz
OBJECTIVE Anterior skull base meningiomas are benign lesions that cause neurological symptoms through mass effect on adjacent neurovascular structures. While traditional transcranial approaches have proven to be effective at removing these tumors, minimally invasive approaches that involve using an endoscope offer the possibility of reducing brain and nerve retraction, minimizing incision size, and speeding patient recovery; however, appropriate case selection and results in large series are lacking. METHODS The authors developed an algorithm for selecting a supraorbital keyhole minicraniotomy (SKM) for olfactory groove meningiomas or an expanded endoscopic endonasal approach (EEA) for tuberculum sella (TS) or planum sphenoidale (PS) meningiomas based on the presence or absence of olfaction and the anatomical extent of the tumor...
April 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29588905/endoscopic-endonasal-resection-of-a-suprasellar-pituitary-adenoma-mimicking-tuberculum-sellae-meningioma-in-a-patient-with-an-intrasellar-persistent-trigeminal-artery
#11
Alaa S Montaser, Alexandre B Todeschini, Juan M Revuelta Barbero, Mostafa Shahein, E Antonio Chiocca, Bradley A Otto, Ricardo L Carrau, Daniel M Prevedello
A 50-year-old female with an incidentally diagnosed suprasellar lesion was initially managed conservatively due to the presence of an intrasellar persistent trigeminal artery going through the dorsum sellae and fundamentally forming the blood supply of the entire posterior circulation. Serial follow-up brain magnetic resonance imaging (MRI) revealed progressive enlargement of the suprasellar lesion over 4 years period. Surgery was indicated after the initial tumor growth; however, the patient refused surgery for fear of complications related to the persistent trigeminal artery...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29588903/endoscopic-endonasal-transoculomotor-triangle-approach-for-the-resection-of-a-pituitary-adenoma-with-ambient-cistern-extension
#12
Georgios Andrea Zenonos, Eric Wesley Wang, Juan C Fernandez-Miranda
Objectives  The current video presents the nuances of the endoscopic endonasal transoculomotor triangle approach for the resection of a pituitary adenoma with extension into the ambient cistern. Design  The video analyzes the presentation, preoperative workup and imaging, surgical steps and technical nuances of the surgery, the clinical outcome, and follow-up imaging. Setting  The patient was treated by a skull base team consisting of a neurosurgeon and an ENT surgeon at a teaching academic institution...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29588901/endoscopic-endonasal-transtuberculum-sellae-approach-for-the-resection-of-suprasellar-intrainfundibular-epidermoid-cyst
#13
Alaa S Montaser, Juan M Revuelta Barbero, Mostafa Shahein, Alexandre B Todeschini, Bradley A Otto, Ricardo L Carrau, Daniel M Prevedello
A 49-year-old female presented with intense headaches of 3 months duration. Brain magnetic resonance imaging (MRI) was performed and showed a sellar-suprasellar lesion extending into the third ventricle. A presumptive diagnosis of a craniopharyngioma was made. Since the patient did not have any visual deficits, she opted for conservative management. Four months later, she started to have progressive deterioration of vision; thus, surgery was indicated. The patient underwent endoscopic endonasal resection of the lesion through a transtuberculum sellae approach...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29588890/endoscopic-transsphenoidal-salvage-surgery-for-symptomatic-residual-cystic-craniopharyngioma-after-radiotherapy
#14
Enzo Emanuelli, Giuliana Frasson, Diego Cazzador, Daniele Borsetto, Luca Denaro
Objectives  Ideal treatment of craniopharyngiomas is still controversial. Radiotherapy (RT) is considered effective for recurrences or after subtotal tumor removal (STR). About 40 to 50% of patients may experience tumor cyst expansion soon after RT; in these cases, the role of salvage surgery is debated. Design  Operative video. Setting  Tertiary care center. Participants  An 11-year-old boy diagnosed with persistent craniopharyngioma. In 2015, the patient underwent right frontotemporal craniotomy for STR at another center, complicated by panhypopituitarism...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29588886/endoscopic-endonasal-transplanum-transtuberculum-approach-for-the-resection-of-a-large-suprasellar-craniopharyngioma
#15
João Mangussi-Gomes, Eduardo A Vellutini, Huy Q Truong, Felix H Pahl, Aldo C Stamm
Objectives  To demonstrate an endoscopic endonasal transplanum transtuberculum approach for the resection of a large suprasellar craniopharyngioma. Design  Single-case-based operative video. Setting  Tertiary center with dedicated skull base team. Participants  A 72-year-old male patient diagnosed with a suprasellar craniopharyngioma. Main Outcomes Measured  Surgical resection of the tumor and preservation of the normal surrounding neurovascular structures. Results  A 72-year-old male patient presented with a 1-year history of progressive bitemporal visual loss...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29588884/endoscopic-endonasal-approach-for-resection-of-a-pediatric-craniopharyngioma-operative-video-and-technical-nuances
#16
James K Liu, Jean Anderson Eloy
We present a pediatric case of a retrochiasmatic craniopharyngioma in the suprasellar region with third ventricular extension that was resected through a purely endoscopic endonasal approach (EEA) via the transplanum transtuberculum corridor. The patient is a 12-year-old boy who presented with progressive visual loss and panhypopituitarism. The EEA allows direct visualization of the undersurface of the optic chiasm and hypothalamus so that safe and meticulous tumor dissection can be performed to preserve these critical neurovascular structures...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29588882/endoscopic-endonasal-approach-for-a-suprasellar-craniopharyngioma
#17
Georgios A Zenonos, Carl H Snyderman, Paul A Gardner
Objectives  The current video presents the nuances of an endoscopic endonasal approach to a suprasellar craniopharyngioma. Design  The video analyzes the presentation, preoperative workup and imaging, surgical steps and technical nuances of the surgery, the clinical outcome, and follow-up imaging. Setting  The patient was treated by a skull base team consisting of a neurosurgeon and an ENT surgeon, at a teaching academic institution. Participants  The case refers to a 67-year-old man who presented with vision loss and headaches, and was found to have a suprasellar mass, with imaging characteristics consistent with a craniopharyngioma...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29582975/feasibility-of-endoscopic-endonasal-approach-for-clip-application-of-cerebral-aneurysms-a-systematic-review
#18
Jonathan A Forbes, Sophie D' Herbemont, Kurt R Lehner, Diego Pineda Martinez, Ignacio P Navarro-Chávez, Diego Mendez Rosito, Theodore H Schwartz
INTRODUCTION: While open, microsurgical clipping and endovascular coiling remain the gold standards for treatment of cerebral aneurysms, a growing number of aneurysms treated via endoscopic endonasal methods have been reported in the literature. The aim of this study was to conduct a systematic review of the literature to gain a more thorough appreciation of the potential benefits and drawbacks of the endoscopic endonasal strategy in this setting. EVIDENCE ACQUISITION: We performed a detailed systematic review of the medical literature on endoscopic endonasal skull base surgery for treatment of cerebral aneurysms utilizing the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines...
March 26, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29574221/endoscopic-endonasal-clipping-of-anterior-circulation-aneurysm-surgical-techniques-and-results
#19
Li-Min Xiao, Bin Tang, Shen-Hao Xie, Guan-Lin Huang, Zhi-Gang Wang, Er-Ming Zeng, Tao Hong
OBJECTIVE: Endoscopic endonasal clipping of intracranial aneurysms may utilize the microsurgical techniques as an alternative to the transcranial approach. The aim of this manuscript is to report a series of patients who underwent endoscopic endonasal approach(EEA) for microsurgical clipping of anterior circulation aneurysms. METHOD: A retrospective chart review was conducted. All the patients who underwent standard binostril EEA for aneurysm clipping were included...
March 21, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29560506/manuel-bernal-sprekelsen-isam-alobid-ed-endoscopic-approaches-to-the-paranasal-sinuses-and-skull-base-a-step-by-step-anatomic-dissection-guide-2017-isbn-9783132018815
#20
Georgios Klironomos, Amir R Dehdashti
No abstract text is available yet for this article.
March 20, 2018: Acta Neurochirurgica
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