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https://www.readbyqxmd.com/read/28333851/contralateral-vision-loss-after-endonasal-dacryocystorhinostomy-a-case-report-of-purtscher-like-retinopathy-and-treatment-with-intravitreal-tissue-plasminogen-activator
#1
Hulya Gungel, Cigdem Altan, Belma Karini, Fatma E Ozdemir, Ozlem O Celebi
PURPOSE: To present a case of a patient with contralateral vision loss as a result of Purtscher-like retinopathy after an endonasal dacryocystorhinostomy and treatment with intravitreal tissue plasminogen activator injection. METHODS AND RESULTS: A 51-year-old woman who underwent a left endonasal dacryocystorhinostomy was referred with a complaint of decreased vision 1 day after surgery in her right eye. At the initial examination, the visual acuity of her right eye was hand motion...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28328613/endoscopic-endonasal-repair-of-isolated-medial-orbital-wall-fracture-with-balloon-technique
#2
Kazutaka Soejima, Tsutomu Kashimura, Takashi Yamaki, Hiroyuki Sakurai, Hiroaki Nakazawa
Endonasal endoscopic repair of medial orbital wall fractures is minimally invasive and benefits the patients. The authors describe the authors' modified balloon technique, which allows longer support of the orbital wall. From October 2010 through January 2016, the author repaired 9 isolated medial wall fractures by this method. Five patients were diagnosed as having enophthalmos of greater than 2 mm, and 6 patients had persistent diplopia before the operation. The herniated orbital contents that filled the anterior ethmoidal sinus were gently reduced with a 4-mm-diameter 0° sinus endoscope...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28328602/intracranial-anatomic-landmarks-for-endoscopic-endonasal-transcribriform-approach-to-anterior-skull-base
#3
Pinghua Wu, Huikun Zeng, Ying Guan, Ligen Mo, Danke Su
OBJECTIVES: To help surgeons locating anatomic landmarks when performing endoscopic endonasal transcribriform approach to anterior skull base. METHODS: High-resolution axial computed tomography (CT) images at thickness of 0.6 mm, and reconstructed 0.41-mm thick gapless sagittal and coronal CT images were taken from 123 subjects. Using mimics software, first located elementary points and line: nasal spine, midpoint of posterior hard palate and the line between them; then located measured points right/left posterior and anterior points; measured distances between measured points and from measured points to nasal spine and angles between lines connecting measured points to nasal spine and the basic line...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28326669/limited-endoscopic-high-septoplasty-prior-to-endonasal-dacryocystorhinostomy-our-experience-of-nine-cases
#4
Sang-Wook Kim, Seong Chul Yeo, Yeon-Hee Joo, Hyun-Jin Cho, Seong Wook Seo, Sea-Yuong Jeon
Primary acquired nasolacrimal duct obstruction is a clinical syndrome of unknown cause, manifested by epiphora, infection, blurred vision, and ocular and facial pain. Conservative care is usually ineffective in patients with chronic conditions; thus, dacryocystorhinostomy (DCR) has become the gold standard of treatment for such patients. Since the advent of endoscopic technologies, most patients have undergone endonasal (EN-)DCR; the success rate is comparable to that of external (EX-)DCR. This article is protected by copyright...
March 22, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28325622/the-effect-of-different-nasal-irrigation-solutions-following-septoplasty-and-concha-radiofrequency-a-prospective-randomized-study
#5
Hanifi Kurtaran, K Serife Ugur, Ceyda Sel Yilmaz, Mesut Kaya, Alper Yuksel, Nebil Ark, Mehmet Gunduz
INTRODUCTION: Nasal irrigation solutions are widely used following endonasal surgery. These irrigation solutions remove infective debris and crusts, reducing the probability of synechia formation, and accelerate mucosal healing. OBJECTIVE: The aim of the present study was to compare the effects of nasal irrigation solutions with different contents following septoplasty and concha radiofrequency. METHODS: The present study was a prospective, randomized, controlled simple blind study of 120 patients who underwent septoplasty and bilateral concha radiofrequency...
February 22, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28324181/trigeminocardiac-reflex-during-endoscopic-juvenile-nasopharyngeal-angiofibroma-surgery-an-appraisal
#6
Shilpee Bhatia Sharma, Trichy Narayanan Janakiram, Hina Baxi, Balamurugan Chinnasamy
Juvenile nasopharyngeal angiofibroma is a locally aggressive benign tumour which has propensity to erode the skull base. The tumour spreads along the pathways of least resistance and is in close proximity to the extracranial part of trigeminal nerve. Advancements in expanded approaches for endoscopic excision of tumours in infratemporal fossa and pterygopalatine fossa increase the vulnerability for the trigeminocardiac reflex. The manipulation of nerve and its branches during tumour dissection can lead to sensory stimulation and thus inciting the reflex...
March 21, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28321387/free-mucosal-graft-reconstruction-of-the-septum-after-nasoseptal-flap-harvest-a-novel-technique-using-a-posterior-septal-free-mucosal-graft
#7
Frederick Yoo, Edward C Kuan, Marvin Bergsneider, Marilene B Wang
Objectives The nasoseptal flap (NSF) has become the workhorse for reconstruction in endoscopic endonasal skull-base surgery. The NSF, though useful in reconstruction, may lead to significant donor site morbidity. Published techniques to reduce the donor site morbidity, free mucosal grafts, and septal rotational flaps have shown to reduce crusting and remucosalization times. We present a novel technique utilizing posterior septal mucosa as a free mucosal graft for reconstruction of the anterior septal donor site...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28321384/operative-strategies-to-minimize-complications-following-resection-of-pituitary-macroadenomas
#8
Jayesh P Thawani, Ashwin G Ramayya, Jared M Pisapia, Kalil G Abdullah, John Y-K Lee, M Sean Grady
Introduction We sought to identify factors associated with increased length of stay (LOS) and morbidity in patients undergoing resection of pituitary macroadenomas. Methods We reviewed records of 203 consecutive patients who underwent endoscopic endonasal resection of a pituitary macroadenoma (mean age = 55.7 [16-88]) years, volume = 11.3 (1.0-134.3) cm(3). Complete resection was possible in 60/29.6% patients. Mean follow-up was 575 days. Multivariate logistic regression was performed using MATLAB...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28321383/direct-endonasal-approach-with-partial-upper-posterior-septectomy-a-rescue-flap-technique-modification
#9
Arturo Sotomayor-González, Armando José Díaz-Martínez, Ramón Radillo-Gil, Everardo García-Estrada, Jesús Alberto Morales-Gómez, Isaac Jair Palacios-Ortiz, Samuel Pérez-Cárdenas, Mauricio Arteaga-Treviño, Ángel Martínez-Ponce De León
Objective Report a modification of the "rescue flap" technique using a direct endonasal approach with a partial superior septectomy for approaching pituitary tumors developed in our institution. Design Prospective study. Setting Hospital Universitario "Dr. José Eleuterio González," Universidad Autónoma de Nuevo León. Main Outcome Measures Since April 2015, we have performed 19 cases employing a direct endonasal approach with partial superior septectomy. Results and a technical note are described below...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28321378/hemi-transseptal-approach-for-pituitary-surgery-a-follow-up-study
#10
Naif Fnais, Salvatore Di Maio, Susan Edionwe, Anthony Zeitouni, Denis Sirhan, Constanza J Valdes, Marc A Tewfik
Objectives The hemi-transseptal (Hemi-T) approach was developed to overcome the potential drawbacks of the nasoseptal flap (NSF) in endoscopic endonasal transsphenoidal skull base surgery. In this study, we describe further refinements on the Hemi-T approach, and report long-term outcomes as compared with traditional methods of skull base reconstruction. Design A retrospective case-control study. Setting Montreal Neurological Institute and Jewish General Hospital, Montreal, Canada. Participants Patients who underwent endoscopic endonasal transsphenoidal approach to skull base pathology...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28321377/single-layer-repair-of-large-anterior-skull-base-defects-without-vascularized-mucosal-flap
#11
Frederick Yoo, Marilene B Wang, Marvin Bergsneider, Jeffrey D Suh
Objectives Bilateral anterior skull base (ASB) defects following endoscopic endonasal tumor resection are most commonly repaired utilizing multilayered reconstruction with a vascularized mucosal flap. Single-layer closure of large ASB defects has been described in the literature but this technique has yet to gain a widespread use. We report our experience with a series of patients who underwent reconstruction of large ASB defects using a single-layer intradural graft, without nasoseptal flaps. We also compared the use of acellular dermal matrix (AlloDerm, LifeCell, Branchburg, New Jersey, United States) or collagen matrix xenograft (Duramatrix, Stryker, Kalamazoo, Michigan, United States) as the graft biomaterial...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28314401/combined-endoscopic-and-open-approaches-in-the-management-of-sinonasal-and-ventral-skull-base-malignancies
#12
REVIEW
James K Liu, Anni Wong, Jean Anderson Eloy
Combined transcranial and endoscopic endonasal approaches remain useful in the treatment of ventral skull base malignancies. The extended bifrontal transbasal approach provides wide access to the anterior ventral skull base and paranasal sinuses without transfacial incisions. In more extensive lesions, the bifrontal transbasal approach can then be combined with an endoscopic endonasal approach (EEA) from below. This article reviews the indications, surgical technique, and operative nuances of combined transbasal and EEA (cranionasal) approaches for the surgical management of ventral skull base malignancies...
April 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28314400/endoscopic-resection-of-clival-malignancies
#13
REVIEW
Adam J Folbe, Peter F Svider, James K Liu, Jean Anderson Eloy
Surgical management of clival lesions presents numerous therapeutic challenges because of the close proximity of surrounding critical structures. With a detailed understanding of the endoscopic endonasal approach and relevant considerations, appropriate lesions can be removed in a safe and minimally invasive manner. Use of this technique as a primary approach represents the standard of care for many lesions at leading skull base centers, although adjunct techniques may be necessary in extensive lesions and those with significant lateral extension...
April 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28301972/efficacy-of-transsphenoidal-surgery-in-achieving-biochemical-cure-of-growth-hormone-secreting-pituitary-adenomas-among-patients-with-cavernous-sinus-invasion-a-systematic-review-and-meta-analysis
#14
Vanessa Briceno, Hasan A Zaidi, Joanne A Doucette, Kaho B Onomichi, Amer Alreshidi, Rania A Mekary, Timothy R Smith
OBJECTIVES: Growth hormone-secreting pituitary adenomas in adults can result in severe craniofacial disfigurement and potentially fatal medical complications. Surgical resection leading to remission of the disease is dependent on complete surgical resection of the tumor. Lesions that invade the cavernous sinus may not be safely accessible via an endonasal transsphenoidal surgery (TSS), and the rates of biochemical remission of patients with residual disease vary widely in the literature...
March 16, 2017: Neurological Research
https://www.readbyqxmd.com/read/28298027/anatomical-nuances-of-the-internal-carotid-artery-in-relation-to-the-quadrangular-space
#15
Ricardo L L Dolci, Leo F S Ditzel Filho, Carlos R Goulart, Smita Upadhyay, Lamia Buohliqah, Paulo R Lazarini, Daniel M Prevedello, Ricardo L Carrau
OBJECTIVE The aim of this study was to evaluate the anatomical variations of the internal carotid artery (ICA) in relation to the quadrangular space (QS) and to propose a classification system based on the results. METHODS A total of 44 human cadaveric specimens were dissected endonasally under direct endoscopic visualization. During the dissection, the anatomical variations of the ICA and their relationship with the QS were noted. RESULTS The space between the paraclival ICAs (i.e., intercarotid space) can be classified as 1 of 3 different shapes (i...
February 24, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28293965/endoscopic-approach-for-a-delayed-post-traumatic-ethmoidal-mucocele-a-technical-note
#16
Mahmoud Messerer, Giulia Cossu, Roy Thomas Daniel
OBJECTIVE: Delayed post-traumatic mucoceles are rare. We describe the surgical treatment of a post-traumatic ethmoidal mucocele with intra-orbital extension. METHOD: A uninostril endoscopic endonasal approach (EEA) was performed. The access was contralateral to the lesion to provide a wider lateral view. After a large sphenoid and ethmoid sinuses opening, the collection was drained and the optic nerve precociously identified. The orbital roof was eroded and the frontal dura mater directly visible...
March 15, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28291218/-endoscopic-transnasal-surgery-for-giant-fibrous-dysplasia-of-the-skull-base-spreading-to-the-right-orbital-cavity-and-nasopharynx-a-case-report-and-literature-review
#17
A N Shkarubo, A Yu Lubnin, E Yu Bukharin, L V Shishkina, D N Andreev, K V Koval', I V Chernov, V V Karnaukhov
BACKGROUND: An extended endoscopic endonasal approach is increasingly used in surgical treatment of space-occupying skull base lesions. The international literature reports only 20 cases of surgical treatment for fibrous dysplasia (PD) of the skull base using the endoscopic endonasal approach. We present our experience with the endoscopic endonasal approach in surgical treatment for giant fibrous dysplasia of the skull base, spreading to the right orbital cavity and nasopharynx. CLINICAL CASE: A 26-year-old male patient presented with cranial pain, Vth nerve dysfunction on the right, right keratopathy...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28289831/surgical-and-pathogenetic-considerations-of-frontal-sinus-fungus-ball
#18
Elena Bernardini, Apostolos Karligkiotis, Susanna Fortunato, Paolo Castelnuovo, Iacopo Dallan
Fungus ball (FB) is an non-invasive form of mycosis, that generally affects immunocompetent and non-atopic subjects. Involvement of the frontal sinus is extremely rare. We report two cases with frontal sinus fungus ball that underwent endoscopic endonasal frontal Draf type IIb or III sinusotomy with complete removal of the cheesy clay-like material. There were no intra-operative or postoperative complications, and no recurrence of disease was evident during the follow-up of 51 and 26 months, respectively. The Draf type IIb or type III frontal sinusotomy seems to be highly effective for the treatment of frontal sinus FB and can represent a valid alternative to the traditional external approaches...
March 13, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28286277/extent-of-resection-visual-and-endocrinological-outcomes-for-endoscopic-endonasal-surgery-for-recurrent-pituitary-adenomas
#19
Hyunwoo Do, Varun R Kshettry, Alan Siu, Irina Belinsky, Christopher J Farrell, Gurston Nyquist, Marc Rosen, James J Evans
OBJECTIVE: To assess outcomes after endoscopic endonasal surgery for recurrent or residual pituitary adenomas. METHODS: We retrospectively analyzed 61 patients from 2009 - 2016 that underwent endoscopic endonasal surgery for recurrent or residual pituitary adenomas after prior microscopic or endoscopic transphenoidal operation. RESULTS: Prior surgical approach was endoscopic endonasal in 55.7% and microscopic in 44.2%. The mean preoperative maximal tumor diameter was 2...
March 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28284576/hemostasis-in-endoscopic-endonasal-skull-base-surgery-using-the-aquamantys-bipolar-sealer-technical-note
#20
Richard Bram, Susan Fiore, Daryl McHugh, Ghassan J Samara, Raphael P Davis
BACKGROUND: A major challenge during endoscopic transsphenoidal surgery is adequate intraoperative hemostasis. The Aquamantys® is a relatively new bipolar sealing device which uses radiofrequency energy and saline. This promotes hemostasis while decreasing charring and thermal spread. In this paper, we describe our experience with the Aquamantys® Mini EVS 3.4 Epidural Vein Sealer Bipolar Electrocautery System (Medtronic Advanced Energy, Portsmouth, NH, USA) during endoscopic surgery for tumors of the skull base with particular attention to ergonomic benefits and technical nuances...
March 8, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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