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endoscopic surgery and frontal sinus

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https://www.readbyqxmd.com/read/28614638/development-and-validation-of-a-3d-printed-model-of-the-ostiomeatal-complex-and-frontal-sinus-for-endoscopic-sinus-surgery-training
#1
Abdulaziz S Alrasheed, Lily H P Nguyen, Luc Mongeau, W Robert J Funnell, Marc A Tewfik
BACKGROUND: Endoscopic sinus surgery poses unique training challenges due to complex and variable anatomy, and the risk of major complications. We sought to create and provide validity evidence for a novel 3D-printed simulator of the nose and paranasal sinuses. METHODS: Sinonasal computed tomography (CT) images of a patient were imported into 3D visualization software. Segmentation of bony and soft tissue structures was then performed. The model was printed using simulated bone and soft tissue materials...
June 14, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28583236/complete-response-of-skull-base-inverted-papilloma-to-chemotherapy-case-report
#2
Edward C Kuan, John W Frederick, Miguel F Palma Diaz, Dean W Lim, Jeffrey D Suh
BACKGROUND: Inverted papilloma (IP) is the most common benign sinonasal neoplasm. Endoscopic techniques, improved understanding of pathophysiology, and novel surgical approaches have allowed rhinologists to treat IPs more effectively, with surgery being the mainstay of therapy. Frontal sinus IP poses a challenge for surgical therapy due to complex anatomy and potentially difficult surgical access. OBJECTIVES: We reported a unique case of a massive frontal sinus IP that presented with intracranial and orbital extension, with near resolution after chemotherapy...
June 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28583231/utility-of-intraoperative-flexible-endoscopy-in-frontal-sinus-surgery
#3
Eric T Carniol, Alejandro Vázquez, Tapan D Patel, James K Liu, Jean Anderson Eloy
BACKGROUND: Surgical management of the frontal sinus can be challenging. Extensive frontal sinus pneumatization may form a far lateral or supraorbital recess that can be difficult to reach by conventional endoscopic surgical techniques, requiring extended approaches such as the Draf III (or endoscopic modified Lothrop) procedure. Rigid endoscopes may not allow visualization of these lateral limits to ensure full evacuation of the disease process. METHODS: Here we describe the utility of intraoperative flexible endoscopy in two patients with far lateral frontal sinus disease...
June 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28571175/unilateral-absence-of-ethmoid-sinus-and-nasal-turbinates-a-rare-case-report
#4
Vinod Felix, Narendrakumar Veerasigamani
A variety of anatomical variation of paranasal sinus and nasal turbinates exist, as its development is a complex and long standing process. Computerized Tomography (CT) of the paranasal sinuses is a very valuable tool in diagnosing these variations. Preoperatively defining the anatomical variations of the intranasal structures is essential in performing the safe functional endoscopic sinus surgery and to avoid unnecessary complications. Several degrees and combinations of aplasias and hypoplasias have been reported...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28541246/correlation-between-the-extent-of-pneumatization-of-agger-agger-nasi-nasi-cells-and-the-anterior-to-posterior-length-of-the-frontal-recess-a-a-computer-assisted-anatomical-study
#5
Ahmet Altıntaş, Mustafa Çelik, Yakup Yegin, Sinan Canpolat, Burak Olgun, Fatma Tülin Kayhan
OBJECTIVES: To explore the correlation between the volume of the aAgger nNasi (AN) cell bulge and the A-P length of the frontal recess (FR). SUBJECTS AND METHODS: In total, 120 patients, who underwent septoplasty, were included. All patients underwent preoperative paranasal sinus computed tomography of the paranasal sinuses (PNS CT) imaging. In total, CT data on of all 120 PNSs patients were analyzed in terms of thewith respect to the extent of pneumatization of the AN cell bulge and the A-P dimensions of the FR...
June 30, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28523084/survey-of-current-practice-patterns-in-the-management-of-frontal-sinus-fractures
#6
Kevin J Choi, Bora Chang, Charles R Woodard, David B Powers, Jeffrey R Marcus, Liana Puscas
The management of frontal sinus fractures has evolved in the endoscopic era. The development of functional endoscopic sinus surgery (FESS) has been incorporated into management algorithms proposed by otolaryngologists, but the extent of its influence on plastic surgeons and oral and maxillofacial surgeons is heretofore unknown. A cross-sectional survey was performed to assess the practice pattern variations in frontal sinus fracture management across multiple surgical disciplines. A total of 298 surveys were reviewed...
June 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28511889/severely-infected-pneumoceles-of-the-frontal-sinus-in-patients-with-mental-retardation-and-brain-atrophy-treated-by-endoscopic-sinus-surgery
#7
Ichiro Tojima, Hirotaka Kikuoka, Takao Ogawa, Takeshi Shimizu
We herein present three cases of abnormally expanded frontal sinuses (pneumoceles) with severe infection in patients with mental retardation and brain atrophy. Two patients previously underwent laryngotracheal separation surgery, and bacteriological examinations of purulent nasal discharge revealed infections caused by drug-resistant bacteria such as Pseudomonas aeruginosa and Acinetobacter baumannii. As conservative medical treatments were ineffective, all three patients were treated by computed tomography-guided endoscopic sinus surgery...
May 13, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28490402/international-frontal-sinus-anatomy-classification-and-anatomic-predictors-of-low-lying-anterior-ethmoidal-arteries
#8
Phayvanh P Sjogren, Rajendra Waghela, Shaelene Ashby, Richard H Wiggins, Richard R Orlandi, Jeremiah A Alt
BACKGROUND: The International Frontal Sinus Anatomy Classification (IFAC) was introduced to more accurately characterize ethmoid and frontal sinus pneumatization patterns. The prevalence of IFAC cells and their anatomic associations have not been described. OBJECTIVE: The goal was to examine the prevalence of IFAC cells and determine radiologic features associated with a low-lying anterior ethmoidal artery (LAEA). METHODS: Imaging of adult patients who underwent computed tomographies from January 2015 to March 2016 were retrospectively reviewed by using the IFAC classification...
May 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28485285/endoscopic-surgical-management-of-sinonasal-inverted-papilloma-extending-to-frontal-sinuses
#9
Yukiko Takahashi, Fumi Shoji, Yukio Katori, Hiroshi Hidaka, Naoya Noguchi, Yasuhiro Abe, Risako Kakuta Kakuta, Takahiro Suzuki, Yusuke Suzuki, Nobuo Ohta, Seiji Kakehata, Yoshitaka Okamoto
OBJECTIVE: Sinonasal inverted papilloma has been traditionally managed with external surgical approaches. Advances in imaging guidance systems, surgical instrumentation, and intraoperative multi-visualization have led to a gradual shift from external approaches to endoscopic surgery. However, for anatomical and technical reasons, endoscopic surgery of sinonasal inverted papilloma extending to the frontal sinuses is still challenging. Here, we present our experience in endoscopic surgical management of sinonasal inverted papilloma extending to one or both frontal sinuses...
November 10, 2016: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28481017/use-of-balloon-sinuplasty-in-patients-with-chronic-rhinosinusitis-in-the-united-states
#10
Mohamad R Chaaban, Jacques G Baillargeon, Gwen Baillargeon, Vicente Resto, Yong-Fang Kuo
BACKGROUND: Over the past decade, the use of balloon sinuplasty has increased widely in the United States. Since its introduction, no nationally representative, population-based study has examined its use among chronic rhinosinusitis (CRS) patients. METHODS: We conducted a retrospective cohort study of patients diagnosed with CRS between 2011 and 2014, and compared the prevalence of conventional functional endoscopic sinus surgery (FESS), balloon sinuplasty, and hybrid sinus surgery according to surgical site and calendar year...
June 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28468156/the-management-of-the-paranasal-sinus-osteomas
#11
Hasan Hüseyin Arslan, Hamdi Tasli, Süleyman Cebeci, Mustafa Gerek
OBJECTIVE: Osteoma is the most common benign tumor of the paranasal sinuses. The clinical characteristics and treatment of this disease remain controversial. The aim of this study is to determine the appropriate method of treatment approach according to the features of osteomas. METHODS: Forty-one patients with paranasal sinus osteomas were included in the study. According to the location and the size of tumors, patients were followed up or operated. Surgical treatment was performed via external, endoscopic, or combined approaches for symptomatic patients...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28418817/virtual-mapping-of-the-frontal-recess-guiding-safe-and-efficient-frontal-sinus-surgery
#12
Neil S Patel, Amy C Dearking, Erin K O'Brien, John F Pallanch
Objective To define relationships between the frontal sinus opening, ostia of other frontal recess cells, and endoscopic landmarks and to develop a clinically useful framework to guide frontal sinus surgery. Study Design Retrospective review. Setting Tertiary care academic referral center. Methods Adult patients with computed tomography (CT) without sinonasal pathology were included. Virtual endoscopy (using OsiriX) and corresponding CT reconstructions were used to identify all visible ostia in the frontal recess and characterize their positions in spaces between the uncinate/agger nasi (U), bulla ethmoidalis (EB), and middle turbinate (MT)...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28381323/flexible-microsensor-technology-for-real-time-navigation-tracking-in-balloon-sinus-ostial-dilation
#13
Kent Lam, Jo-Lawrence Bigcas, Amber Luong, William Yao, Martin J Citardi
BACKGROUND: Microsensor navigation has the potential to aid balloon sinus ostial dilation by providing real-time tracking of balloon devices within the complex anatomy of the sinonasal cavities. OBJECTIVE: This feasibility study evaluated the incorporation of a new microsensor technology into a flexible guidewire for use with current instruments in balloon sinus ostial dilation. METHODS: A retrospective study was conducted to include seven men and one woman (age range, 33-68 years), who underwent balloon sinus ostial dilation with flexible microsensor navigation in the operating room setting...
March 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28376662/minimally-invasive-surgery-for-pott-s-puffy-tumor-is-it-time-for-a-paradigm-shift-in-managing-a-250-year-old-problem
#14
Samuel C Leong
INTRODUCTION: The aim of this study was to review the clinical outcomes and efficacy of endoscopic sinus surgery (ESS) in the management of Pott's puffy tumor (PPT). METHODS: Literature PubMed review using a combination of MeSH terms and keywords was undertaken, combined with a single surgeon case series of 3 patients. RESULTS: A total of 29 (20 males, median age 25 years) cases were reviewed. The most common etiology was acute frontal sinusitis (62%), followed by a history of chronic rhinosinusitis (28%)...
June 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28374055/the-efficacy-of-extended-draf-iib-procedure-by-partial-nasal-septectomy-long-term-follow-up
#15
Ephraim Eviatar, Ahmed Taha, Haim Gavriel
Draf IIb procedure is mostly used in a very narrow frontal recess and in a revision frontal sinus surgery. In most cases, the contralateral sinus is not involved. In order to avoid Draf III procedure's reported disadvantages we have commenced the use of the extended Draf IIb procedures in our center. Patients treated with extended Draf IIb procedure at our center between the years 1997 and 2012 were retrospectively evaluated. This procedure includes further widening of the frontal ostium and recces by excising the adjacent most superior nasal septum...
April 3, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28366182/first-results-of-frontal-sinus-obliteration-with-a-synthetic-resorbable-and-osteoconductive-bone-graft-of-%C3%A3-tricalcium-phosphate
#16
M Andratschke, H Hagedorn
BACKGROUND: Despite advances in endoscopic sinus surgery, frontal sinus obliteration is still indicated in some cases. Current options for obliteration include autologous and synthetic materials. The use of ß-tricalcium phosphate as a resorbable bone graft substitute is a good alternative for frontal sinus obliteration. This study aimed to report our experience with this material. METHODS: A retrospective chart review of patients who underwent frontal sinus obliteration at our clinic between 2008 and 2013 was performed...
June 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28207197/changing-the-surgical-dogma-in-frontal-sinus-trauma-transnasal-endoscopic-repair
#17
Jessica W Grayson, Hari Jeyarajan, Elisa A Illing, Do-Yeon Cho, Kristen O Riley, Bradford A Woodworth
BACKGROUND: Management of frontal sinus trauma includes coronal or direct open approaches through skin incisions to either ablate or obliterate the frontal sinus for posterior table fractures and openly reduce/internally fixate fractured anterior tables. The objective of this prospective case-series study was to evaluate outcomes of frontal sinus anterior and posterior table trauma using endoscopic techniques. METHODS: Prospective evaluation of patients undergoing surgery for frontal sinus fractures was performed...
May 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28124657/novel-use-of-an-ultrasonic-bone-aspirator-for-extended-endoscopic-frontal-sinusotomy-a-feasibility-study
#18
Conner J Massey, Sean Bury, Jay Diamond, Ameet Singh
INTRODUCTION: Extended endoscopic frontal sinusotomy is often required for surgical management of anterior skull base pathology. Such approaches are necessary for access to pathology and maintenance of postoperative frontal sinus outflow tract drainage. Cold steel instrumentation and endoscopic high-speed microdrills are typically used for bony removal during extended frontal sinus approaches but are associated with certain drawbacks, such as thermal injury and obscuration of the surgical field with bone dust...
November 1, 2016: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28124653/practice-patterns-in-pediatric-chronic-rhinosinusitis-a-survey-of-the-american-rhinologic-society
#19
Daniel M Beswick, Hassan Ramadan, Fuad M Baroody, Peter H Hwang
BACKGROUND: The management of pediatric chronic rhinosinusitis (PCRS) is evolving. OBJECTIVE: To assess current practice patterns of members of the American Rhinologic Society (ARS) in managing PCRS. METHODS: A 27-item Web-based survey on treatment of PCRS was electronically distributed to the ARS membership. RESULTS: The survey was completed by 67 members, 40% of whom had completed a rhinology fellowship. The most frequently used medical therapies as part of initial treatment for PCRS were nasal saline solution irrigation, (90%), topical nasal steroids (93%), oral antibiotics (52%), and oral steroids (20%)...
November 1, 2016: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28060098/the-manangement-of-the-paranasal-sinus-osteomas
#20
Hasan Hüseyin Arslan, Hamdi Tasli, Süleyman Cebeci, Mustafa Gerek
OBJECTIVE: Osteoma is the most common benign tumor of the paranasal sinuses. The clinical characteristics and treatment of this disease remain controversial. The aim of this study is to determine the appropriate method of treatment approach according to the features of osteomas. METHODS: Forty-one patients with paranasal sinus osteomas were included in the study. According to the location and the size of tumors, patients were followed up or operated. Surgical treatment was performed via external, endoscopic, or combined approaches for symptomatic patients...
January 5, 2017: Journal of Craniofacial Surgery
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