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Ear canal exostosis

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https://www.readbyqxmd.com/read/27834109/external-ear-canal-exostosis-and-otitis-media-in-temporal-bones-of-prehistoric-and-historic-chilean-populations-a-paleopathological-and-paleoepidemiological-study
#1
Mario Castro, Marcos Goycoolea, Verónica Silva-Pinto
CONCLUSIONS: External ear canal exostosis is more prevalent in northern coastal groups than in the highlands, suggesting that ocean activities facilitate the appearance of exostosis. However, southern coastal groups exposed to colder ocean water have a lesser incidence of exostosis, possibly due to less duration of exposure. There was a high incidence of otitis media in all groups of native population in Chile. One coastal group had a higher incidence, presumably due to racial factors...
November 11, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27755370/outcomes-of-drill-canalplasty-in-exostoses-and-osteoma-analysis-of-256-cases-and-literature-review
#2
Golda Grinblat, Sampath Chandra Prasad, Gianluca Piras, Jingchun He, Abdelkader Taibah, Alessandra Russo, Mario Sanna
OBJECTIVE: 1) To describe the surgical technique of drill canaplasty for exostosis and osteoma and to evaluate our results. 2) To propose a new grading system for external auditory canal stenosis (EACS). 3) To review the recent literature. STUDY DESIGN: A retrospective review. SETTING: Quarternary referral center for Otology & Skull Base surgery. SUBJECTS AND METHODS: Two hundred seventeen patients (256 ears) with exostosis or osteoma were included in the study...
December 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/26669556/transcanal-micro-osteotome-only-technique-for-excision-of-exostoses
#3
Yaser Ghavami, Jay Bhatt, Kasra Ziai, Marlon M Maducdoc, Hamid R Djalilian
OBJECTIVES: To evaluate the outcomes and complications of transcanal excision of exostoses using micro-osteotomes, without a postauricular incision or the use of the drill. STUDY DESIGN: A retrospective chart review of patients undergoing exostoses excision. SETTING: Tertiary Care Medical Center. SUBJECTS AND METHODS: All of the patients underwent surgical removal of the exostoses using only a 1 or 2 mm micro-osteotomes...
February 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/26521366/herniation-of-the-temporomandibular-joint-into-the-external-auditory-canal-our-review-of-13-cases
#4
D Portmann, S Guindi, I Sribniak, F Arcaute Aizpuru
UNLABELLED: Symptomatic dehiscence of the anterior wall of the external auditory canal is only occasionally encountered during otologic surgery. OBJECTIVE: To propose a technical answer for the reconstruction of anterior wall defects based on the size of the dehiscence. MATERIAL AND METHODS: Retrospective study of 13 cases of dehiscence of the anterior wall (9 male and 4 female patients between 30 and 66 years) operated between 1998 and 2010...
2014: Revue de Laryngologie—Otologie—Rhinologie
https://www.readbyqxmd.com/read/25772761/prevalence-of-surfer-s-ear-in-cornish-surfers
#5
B Attlmayr, I M Smith
OBJECTIVES: To establish the prevalence of external auditory canal exostosis ('surfer's ear') in Cornish surfers and investigate the potential impact on healthcare. METHOD: A total of 105 surfers were interviewed and otologically assessed on popular Cornish beaches. The degree of exostosis was graded as mild, moderate or severe. RESULTS: The prevalence of external auditory canal exostosis was 63.81 per cent (33.33 per cent mild, 18.10 per cent moderate and 12...
May 2015: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/25528154/exostosis-of-the-optic-canal-in-a-child-a-rare-diagnosis-in-a-paediatric-ear-nose-and-throat-setting-a-case-report
#6
Milan Urík, Ivo Šlapák, Dana Pavlovská, Eva Prívarová
INTRODUCTION: Optic nerve compression is an uncommon disorder leading to deterioration or complete loss of vision. CASE PRESENTATION: We describe the case of a 14-year-old Caucasian girl with a gradual deterioration of vision in her right eye. Using modern imaging techniques and endonasal endoscopic surgery, we identified the cause and removed the pathology. CONCLUSIONS: The cause of optic nerve compression was a rare exostosis in the optic canal...
December 21, 2014: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/25459316/endoscopic-transcanal-removal-of-symptomatic-external-auditory-canal-exostoses
#7
REVIEW
Elliott D Kozin, Aaron K Remenschneider, Parth V Shah, Edward Reardon, Daniel J Lee
Exostoses are bony outgrowths of the external auditory canal (EAC) that can lead to cerumen entrapment, recurrent infections, and conductive hearing loss. When surgical removal is indicated, a drill or osteotome may be used via a post-auricular, endaural, or transcanal approach. Studies suggest that exostoses removed by transcanal osteotome result in decreased morbidity when compared to open, drilled approaches; however, inadvertent injury to the facial nerve or inner ear is a theoretical concern given the restrictive geometry of the EAC and challenges of visualizing the tip of the chisel through the microscope...
March 2015: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/24619201/the-effects-of-surfing-behaviour-on-the-development-of-external-auditory-canal-exostosis
#8
V Alexander, A Lau, E Beaumont, A Hope
To examine how individual surfing behaviour affects the development of external auditory canal exostosis and to produce a model to predict exostosis severity. A standardised questionnaire was completed and each participant underwent an otoscopic examination. Surfers were recruited from August to October 2011 from surfing competitions and from colleges in the South West of England. 207 surfers were included, 53 % had evidence of external auditory canal; exostosis: grade 1, 23%; grade 2, 16%, grade 3, 16%. This risk of exostosis significantly increased with (1) surfing for 6 or more years, (2) surfing in the winter months, (3) surfing five or more times per month in the winter and (4) reported ear symptoms...
July 2015: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/24397119/-three-cases-of-external-auditory-exostoses-in-a-habitual-sauna-user
#9
Takashi Goto, Tetsuya Tono, Haruka Nakanishi, Keiji Matsuda, Akira Ganaha, Mikio Suzuki
Exostoses are benign bony excrescences of the external auditory canal, commonly encountered in people who avidly engage in aquatic activities, hence the name "surfer's ear". Exostoses are more prevalent in cold water surfers, and additional years of surfing increase one's risk not only for developing an exostosis but also for developing more severe lesions. Exostoses remain clinically silent until they become large enough to impair the egress of epithelial debris and water from the canal, in which case there may be an associated external otitis and fluctuating hearing loss...
November 2013: Nihon Jibiinkoka Gakkai Kaiho
https://www.readbyqxmd.com/read/23959969/the-tori-of-the-mouth-and-ear-a-review
#10
REVIEW
Marios Loukas, Paul Hulsberg, R Shane Tubbs, Theodoros Kapos, Christopher T Wartmann, Kitt Shaffer, Bernard J Moxham
There is a great deal of literature regarding the tori of the mouth and ear. However, there is controversy regarding the etiology and prevalence of each. The torus palatinus is generally agreed to be the most common oral exostosis and is more frequently found in females. The torus mandibularis is also quite common, is more prevalent in males, and occurs bilaterally in 80% of cases. Far less data have been presented regarding the torus maxillaries primarily due to the lack of consensus regarding its nomenclature and classification...
November 2013: Clinical Anatomy
https://www.readbyqxmd.com/read/23022815/ear-disorders-in-scuba-divers
#11
REVIEW
M H Azizi
History of underwater diving dates back to antiquity. Breath-hold technique in diving was known to the ancient nations. However, deep diving progressed only in the early decades of the 19th century as the result of advancements in efficient underwater technologies which subsequently led to invention of sophisticated sets of scuba diving in the 20th century. Currently, diving is performed for various purposes including commercial, recreational, military, underwater construction, oil industry, underwater archeology and scientific assessment of marine life...
January 2011: International Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/23002649/-clinical-study-of-26-patients-with-osteoma-in-the-external
#12
Zhi Liu, Ru'na Wang, Yongzhu Sun, Wenli Wu, Limei Zhong
OBJECTIVE: To summarize the experience of diagnosis and treatment on osteoma in the external auditory canal. METHOD: Retrospective study were undertaken in 26 patients with osteoma in the external auditory canal operated in author's unit. RESULT: Osteomas were removed through interauricular approach in all patients and confirmed by histopathological examination. The hearing of 22 patients with conductive hearing loss became normal after operation...
July 2012: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/22901893/-imaging-diagnosis-of-benign-lesions-of-the-external-auditory-canal
#13
Beatriz Brea, Amaya Roldán Fidalgo
INTRODUCTION AND OBJECTIVES: Benign lesions of the external auditory canal (EAC) are an infrequent cause of temporal bone CT scan requests. We are not usually well versed in the different pathologies located in the EAC, perhaps because it is "only" a conduit and the relevant anatomical structures are located in the middle and inner ear. Our objective was to improve knowledge of this structure by reviewing the different benign conditions found in this location. METHODS: We reviewed the CT studies from 2 years (January 2010 through January 2012), selecting those containing lesions in the EAC...
January 2013: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/22864902/-surgery-of-the-external-ear-canal
#14
J Lautermann
Diseases of the external ear canal are a frequent reason for consulting the otolaryngologist. Conservative treatment is sufficient in most cases. Chronic problems of the external ear canal, however, sometimes require surgical treatment. Enlargement of the external ear canal as well as the entrance of the external ear canal are often simultaneously performed together with tympanoplasties, in order to obtain good access to the middle ear and to facilitate postoperative care. In this review, we focus on surgical techniques for different pathologies such as exostosis, stenosis, fibrosis, and tumors of the external ear canal...
August 2012: HNO
https://www.readbyqxmd.com/read/21493286/incidence-of-external-auditory-canal-exostoses-in-competitive-surfers-in-japan
#15
Haruka Nakanishi, Tetsuya Tono, Hirokazu Kawano
OBJECTIVE: The objective of this study was to demonstrate the prevalence and severity of external auditory canal exostoses in a population of competitive surfers in Japan. The authors used a “surfing index,” the product of the period (years) as an active surfer and the frequency (number of surfing days per week), to predict external auditory exostoses formation. STUDY DESIGN: Cross-sectional study. SETTING: A total of 5 surfing competitions that were held in Miyazaki, Japan...
July 2011: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/21302503/-osteomas-and-exostoses-of-external-auditory-canal-in-material-of-otolaryngology-department-medical-university-of-gda%C3%A5-sk
#16
Jerzy Kuczkowski, Małgorzata Potocka, Grazyna Kobierska-Gulida, Tomasz Przewoźny, Mirosława Dubaniewicz-Wybieralska
INTRODUCTION: Osteomas and exostoses of the external auditory canal are benign tumours arising in bones, leading to its obstruction and causing hearing loss. The treatment of these entities may present a therapeutic dilemma. AIM OF THE STUDY: To assess epidemiological and clinical data and surgical treatment effectiveness. SUBJECTS AND METHODS: The study group consisted of 21 patients (14 men and 7 women) between 18 to 63 years of age, treated in the Otorhinolaryngology Department of Medical University of Gdańsk from 1995 to 2009...
November 2010: Otolaryngologia Polska. the Polish Otolaryngology
https://www.readbyqxmd.com/read/19806064/laterality-of-exostosis-in-surfers-due-to-evaporative-cooling-effect
#17
John F King, Austin C Kinney, Sam F Iacobellis, Thomas H Alexander, Jeffrey P Harris, Peter Torre, Joni K Doherty, Quyen T Nguyen
OBJECTIVES: 1. To correlate exostosis severity with ear canal evaporative cooling. 2. To assess hearing and complications after canalplasty. STUDY DESIGN: Retrospective chart review. SUBJECTS AND METHOD: A retrospective chart review from 1990 to 2007 at a university tertiary referral center. RESULTS: Surfers from the west coast of the United States were twice as likely to have severe exostoses in the right ear compared with the left...
February 2010: Otology & Neurotology
https://www.readbyqxmd.com/read/19730144/use-of-titanium-in-repair-of-external-auditory-canal-defects
#18
Bruce Black
INTRODUCTION: Canal wall defect repairs commonly result from cholesteatoma, surgery for chronic ear disease, or exostosis and also from congenital deformities. Reconstructions of these defects are often difficult and unstable. This article reports the use of titanium sheeting to repair external auditory canal wall defects. METHODS: Titanium sheeting was used to repair a variety of wall defects. The sheeting was used as a support material, lying deep to the wall defect, which was sealed with an autograft cartilage layer that was fitted to fill the defect...
October 2009: Otology & Neurotology
https://www.readbyqxmd.com/read/18932099/endoscopic-approach-to-tensor-fold-in-patients-with-attic-cholesteatoma
#19
Daniele Marchioni, Francesco Mattioli, Matteo Alicandri-Ciufelli, Livio Presutti
CONCLUSION: The endoscopic approach to attic cholesteatoma allows clear observation of the tensor fold area and consequently, excision of the tensor fold, modifying the epitympanic diaphragm. This permits good removal of cholesteatoma and direct ventilation of the upper unit, preventing the development of a retraction pocket or attic cholesteatoma recurrence, with good functional results. OBJECTIVES: An isthmus block associated with a complete tensor fold is a necessary condition for creation and development of an attic cholesteatoma...
September 2009: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/18346299/prevalence-and-severity-of-external-auditory-exostoses-in-breath-hold-divers
#20
P W Sheard, M Doherty
OBJECTIVE: To explore the prevalence and severity of external auditory exostoses in a population of experienced breath-hold divers, and to compare these to the same parameters within surfing and self-contained underwater breathing apparatus diving populations. DESIGN: A stepwise, multiple regression analysis of cross-sectional data examining the relative contributions of sea surface temperature, latitude of exposure and years of exposure to the prevalence and severity of stenosis due to external auditory exostoses...
November 2008: Journal of Laryngology and Otology
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