External ear canal exostosis and otitis media in temporal bones of prehistoric and historic chilean populations. A paleopathological and paleoepidemiological study

AbstractObjectives:To describe the clinical features of external auditory canal cholesteatoma, and to assess the outcome following bony meatoplasty with tragal cartilage and perichondrium graft repair.Methods:A retrospective review was carried out, comprising all patients with external auditory canal cholesteatoma who presented between January 2007 and December 2011. Patients underwent pre-operative audiometry and computed tomography imaging of the temporal bones, before undergoing bony meatoplasty via a postauricular incision. Pre- and post-operative comparisons were made of patients' otological symptoms and the otoscopic appearance of the external ear canal.Results and conclusion:Eight patients were included in the analyses. The median age of patients was 46.5 years (range 14–68 years), with a male to female ratio of 1:1. The median length of follow up was 16 months. The most common presenting features were unilateral otalgia and purulent otorrhoea. All patients had relatively advanced disease at presentation, with erosion of the temporal bone. All patients underwent bony meatoplasty via a postauricular approach to eradicate the disease. Bony meatoplasty was successful in the definitive management of external ear canal cholesteatoma.

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Preoperative and Intraoperative Culture Results of Patients with Chronic Otitis Media; Is Culture Swab Reliable?

10.22541/au.161882626.64523723/v1 ◽

2021 ◽

Author(s):

müzeyyen yıldırım baylan ◽

Ümit Yılmaz ◽

Vefa Kınış ◽

Nida Özcan ◽

nezahat akpolat

Keyword(s):

Otitis Media ◽

Middle Ear ◽

Chronic Otitis Media ◽

Coagulase Negative Staphylococcus ◽

External Ear ◽

Ear Canal ◽

Gram Positive ◽

External Ear Canal ◽

Antibiotic Susceptibilities ◽

Outpatient Group

Objective: The aim of this study was to analyze the culture antibiogram results of samples obtained directly from the middle ear and/or mastoid cells in the operating room, and from the external auditory canal in the outpatient. Methods: This study was conducted between 2016-2018 in Microbiology and Otorhinolaryngology Department. Swab cultures were obtained through the external ear canal preoperatively in outpatients. Middle ear swabs and mastoid granulation tissue were collected intraoperatively, respectively. Demographic datas, bacterial identifications and antibiotic susceptibilities were compared in both groups. Results: Two hundred thirty eight patients with chronic otitis media were enrolled in the study. Out of the 238 cases, 86 patients had negative culture results. P. aeruginosa (n=44), Coagulase Negative Staphylococcus (n=33), S. aureus (n=27), Proteus mirabilis (n=16) and E. coli (n=10) were the most common grown bacteria in both groups. Most common identified groups were Gram-positive bacteria (n=92), non-fermenter Gram-negative bacteria (n=55) and Enterobactericeae (n=42). Gram-positive cocci were higher in outpatient group, whereas Enterobactericeae were higher in intraoperative group (p<0.05). Antibiotic susceptibilities of P. aeruginosa and S. aureus were found to be lower especially in the preoperative group (p <0.05). Conclusion: P. aeruginosa was the most common bacteria in both preoperative and intraoperative cultures and high ciprofloxacin resistance of the isolates were remarkable. Although contamination is an issue in samples collected from the external ear canal of outpatients using cotton swabs, similar microorganisms grew in outpatient and intraoperative cultures

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A histological examination in the cases of initial diagnosis as chronic otitis media with a polypoid mass in the external ear canal

Auris Nasus Larynx ◽

10.1016/j.anl.2010.10.002 ◽

2011 ◽

Vol 38 (3) ◽

pp. 325-328 ◽

Cited By ~ 14

Author(s):

John Xenellis ◽

Aikaterina Mountricha ◽

Pavlos Maragoudakis ◽

Dimitrios Kandiloros ◽

Dimitrios Assimakopoulos ◽

...

Keyword(s):

Otitis Media ◽

Histological Examination ◽

Chronic Otitis Media ◽

Initial Diagnosis ◽

External Ear ◽

Polypoid Mass ◽

Ear Canal ◽

External Ear Canal

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Rhabdomyosarcoma of the External Ear Canal Treated with Brachytherapy

West Virginia Medical Journal ◽

10.21885/wvmj.2016.20 ◽

2016 ◽

Vol 2016 (1) ◽

Cited By ~ 1

Author(s):

Mahvish Qureshi MD ◽

◽

Sana Farooki MD ◽

Chibuzo O’Suoji MD ◽

◽

...

Keyword(s):

External Ear ◽

Ear Canal ◽

External Ear Canal

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Otitis media and mastoiditis in temporal bones of prehistoric Chilean populations. A paleopathological and paleoepidemiological study

Acta Oto-Laryngologica ◽

10.1080/00016489.2018.1530800 ◽

2019 ◽

Vol 139 (4) ◽

pp. 340-344 ◽

Cited By ~ 1

Author(s):

Marcos V. Goycoolea ◽

Mario Castro ◽

Marcelo Galvez ◽

Carlos Montoya ◽

Jorge Fuentes ◽

...

Keyword(s):

Otitis Media ◽

Temporal Bones ◽

Chilean Populations

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Prevalence of external ear disorders in Belgian stray cats

Journal of Feline Medicine and Surgery ◽

10.1177/1098612x17700808 ◽

2017 ◽

Vol 20 (2) ◽

pp. 149-154 ◽

Cited By ~ 3

Author(s):

Anouck Bollez ◽

Hilde de Rooster ◽

Alessandra Furcas ◽

Sophie Vandenabeele

Keyword(s):

Body Condition ◽

Otitis Externa ◽

Body Condition Score ◽

External Ear ◽

Ear Canal ◽

Malassezia Species ◽

External Ear Canal ◽

Stray Cats ◽

Condition Score ◽

Ocular Discharge

Objectives Feline otitis externa is a multifactorial dermatological disorder about which very little is known. The objective of this study was to map the prevalence of external ear canal disorders and the pathogens causing otitis externa in stray cats roaming around the region of Ghent, Belgium. Methods One hundred and thirty stray cats were randomly selected during a local trap–neuter–return programme. All cats were European Shorthairs. This study included clinical, otoscopic and cytological evaluation of both external ears of each cat. Prospective data used as parameters in this study included the sex, age and body condition score of each cat, as well as the presence of nasal and/or ocular discharge, and the results of feline immunodeficiency virus (FIV) and feline leukaemia virus (FeLV) Snap tests. Results Remarkably, very few (sub)clinical problems of the external ear canal were found in the stray cat population. Malassezia species was by far the most common organism found in the external ear canals of the 130 stray cats. A total of 96/130 (74%) cats were found to have Malassezia species organisms present in one or both ears based on the cytological examination. No correlation was found between the parameters of sex, age, body condition score, the presence of nasal and/or ocular discharge and FIV and FeLV status, and the presence of parasites, bacteria or yeasts. Conclusions and relevance This study provides more information about the normal state of the external ear canal of stray cats. The ears of most stray cats are relatively healthy. The presence of Malassezia species organisms in the external ear canal is not rare among stray cats.

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Prevalence of external auditory canal exostoses in Australian surfboard riders

The Journal of Laryngology & Otology ◽

10.1258/002221504323086525 ◽

2004 ◽

Vol 118 (5) ◽

pp. 348-351 ◽

Cited By ~ 35

Author(s):

William Hurst ◽

Michael Bailey ◽

Benjamin Hurst

Keyword(s):

External Auditory Canal ◽

Cold Water ◽

Control Group ◽

External Ear ◽

Ear Canal ◽

External Ear Canal ◽

Rate Of Growth

This paper assessed 300 surfboard riders, comprising 229 males and 71 females to determine the prevalence and rate of growth of exostoses in this population. A group of cold water swimmers and a control group were also examined. Significant obstruction, defined as two thirds or more occlusion of the ear canal was noted in 90 of the male surfers and 10 female surfers. This degree of occlusion was found in seven of the 32 cold water swimmers. A male surfer who has surfed regularly for 20 years or more has a one in two chance of developing significant obstruction of the external ear canal resulting from exostoses and this is a three in seven chance for females.

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Histopathology of the soft parts in 50 patients with malignant external otitis

The Journal of Laryngology & Otology ◽

10.1017/s0022215100108977 ◽

1989 ◽

Vol 103 (4) ◽

pp. 366-368 ◽

Cited By ~ 21

Author(s):

J. Bernheim ◽

J. Sade

Keyword(s):

Skin Lesions ◽

External Otitis ◽

Pathological Feature ◽

External Ear ◽

Ear Canal ◽

Malignant External Otitis ◽

External Ear Canal ◽

External Canal ◽

Skin Biopsies ◽

Skin Coverage

AbstractReports concerning the lesions of the skin coverage of the external ear canal in malignant external otitis (M.E.O.) are very few. To evaluate this problem, we studied the skin lesions of 45 skin biopsies from 40 M.E.O. patients, 23 from regions covering the osseous part of the ear structure, seven from the cartilaginous part of the external canal and 15 from both parts. The epidermis was normal in nine, thickened in 16, with acanthotic thickening and pseudoepitheliomatous hyperplasia in 20. In the dermis the amount of collagen was normal, but it was infiltrated by the inflammatory process. Acute inflammation was observed in 16 biopsies, subacute in 23, chronic in six. A mixture of acute and chronic changes was present in 18 biopsies. No major abnormalities of the vasculature could be detected. The distinguishing pathological feature of M.E.O. concerns the typical topographic distribution of the inflammation in the osseous part of the external ear canal.

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