scholarly journals Case series on external auditory canal cholesteatoma: an entity often misdiagnosed

2020 ◽  
Vol 6 (6) ◽  
pp. 1179
Author(s):  
Priti S. Hajare ◽  
O. Padmavathy
Keyword(s):  
Rare Disease ◽  
Clinical Examination ◽  
External Auditory Canal ◽  
Case Series ◽  
Normal Hearing ◽  
External Ear ◽  
Radiological Investigation ◽  
Proper Management ◽  
External Auditory Canal Cholesteatoma

<p class="abstract">External auditory canal cholesteatoma (EACC) is a rare disease. EACC presents with chronic dull aching pain with normal hearing. It is diagnosed by clinical examination and radiological investigation. Due to its rarity it is important to differentiate it from other external ear conditions. We prospectively analysed four cases of cholesteatoma of the external auditory canal in a period of 18 months. All of our patients underwent surgery. In three cases, the cholesteatoma was restricted to the external auditory canal, while in one case it was extending into the antrum. A proper clinical examination with radiological investigations will be helpful in the diagnosis and for proper management of the disease.</p>

Operative management of external auditory canal cholesteatoma: case series and literature review

2013 ◽  
Vol 127 (9) ◽  
pp. 859-866 ◽  
Author(s):  
M Sayles ◽  
H A Kamel ◽  
F F Fahmy
Keyword(s):  
External Auditory Canal ◽  
Case Series ◽  
Operative Management ◽  
External Ear ◽  
Ear Canal ◽  
Female Ratio ◽  
External Ear Canal ◽  
Temporal Bones ◽  
External Auditory Canal Cholesteatoma ◽  
Male To Female

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.

Effects of External Ear Canal Pressure on the Middle-Ear Muscle Reflex Threshold

1974 ◽  
Vol 17 (3) ◽  
pp. 526-530 ◽  
Author(s):  
Frederick N. Martin ◽  
Sherry Coombes
Keyword(s):  
Tympanic Membrane ◽  
Middle Ear ◽  
External Auditory Canal ◽  
Acoustic Impedance ◽  
Normal Hearing ◽  
Air Pressure ◽  
External Ear ◽  
Ear Canal ◽  
Acoustic Reflex ◽  
Reflex Threshold

Twenty normal-hearing individuals served as subjects in an experiment designed to determine the relationships between positive and negative air pressure in the external auditory canal and the intensity required to elicit the acoustic reflex. Pressure was varied from +240 to −240 mm H 2 O. Changes in the magnitude of acoustic impedance were measured on an acoustic impedance meter and displayed graphically on a Y-T recorder. As air pressure was varied in the canal and the tympanic membrane was displaced from its position of greatest compliance, systematic increases in the intensity required to elicit the reflexes were noted. The magnitude of the differences was smaller than might have been anticipated, not exceeding a mean of 5.1 dB at −240 mm H 2 O.

Surgical management of external auditory canal lesions

2013 ◽  
Vol 127 (3) ◽  
pp. 246-251 ◽  
Author(s):  
P M Spielmann ◽  
S McKean ◽  
R D White ◽  
S S M Hussain
Keyword(s):  
Surgical Management ◽  
External Auditory Canal ◽  
Case Series ◽  
Surgical Excision ◽  
Subsequent Treatment ◽  
Malignant Neoplasms ◽  
Cavernous Haemangioma ◽  
Bony Lesions ◽  
External Auditory Canal Cholesteatoma ◽  
Personal Case

AbstractBackground:Lesions arising in the external auditory canal that require surgical excision are uncommon. They are associated with a range of pathologies, including bony abnormalities, infections, benign and malignant neoplasms, and epithelial disorders.Methods:This paper describes a 10-year personal case series of external auditory canal lesions with chart, imaging and histopathology review.Results:In total, 48 lesions required surgical management, consisting of: 13 bony lesions; 14 infective lesions; 14 neoplasms with 11 histological types (including ceruminous adenoma and the extremely rare cavernous haemangioma); 3 epithelial abnormalities; and 4 other benign lesions. The surgical management is described.Conclusion:This study emphasises the diagnostic differences between exostoses and osteomas, and between external auditory canal cholesteatoma and keratosis obturans. It also discusses the management of aural polyps, and highlights the need to excise external auditory canal masses for histology in order to guide subsequent treatment.

Is the Acidic pH of the External Auditory Canal Playing a Significant Role in the Treatment of Acute Otitis Externa?

2018 ◽  
Vol 69 (8) ◽  
pp. 2304-2305
Author(s):  
Oana Ruxandra Iana ◽  
Dragos Cristian Stefanescu ◽  
Viorel Zainea ◽  
Razvan Hainarosie
Keyword(s):  
External Auditory Canal ◽  
Otitis Externa ◽  
Proton Pumps ◽  
Acidic Ph ◽  
External Ear ◽  
Ph Values ◽  
The World ◽  
Subcutaneous Tissues ◽  
Low Levels ◽  
Value Changes

Variable pH values for skin have been reported in the literature, all within the acidic range, varying from 4.0 up to 7. 0. The origin of the acidic pH remains conjectural, and several factors have been incriminated with this role, such as eccrine and sebaceous secretions as well as proton pumps. Keeping low levels of pH prevents microbial dispersal as well as multiplication. The skin in the external auditory canal is also covered with this acidic mantle with antimicrobial value. Changes of pH in the external ear can lead to acute otitis externa. This condition is defined by the inflammation and infection of the cutaneous and subcutaneous tissues of the external auditory canal. 10% of the world�s population may suffer from acute otitis externa at least once in their lifetime. This paper aims to consolidate the relevance of an acidic pH in the healthy external ear and its relation to the pathogenesis and treatment of otitis externa through a prospective and interventional clinical study on 80 patients who presented to the outpatient department at Prof. Dr D. Hociota ENT Institute in Buch

scholarly journals External Auditory Canal Cholesteatoma. A Complication of Noncholesteatomatous Ear Surgery.

1999 ◽  
Vol 92 (12) ◽  
pp. 1311-1314
Author(s):  
Yurika KIMURA ◽  
Hideji OKUNO ◽  
Yoshihiro NOGUCHI ◽  
Atsushi KOMATSUZAKI
Keyword(s):  
External Auditory Canal ◽  
Ear Surgery ◽  
External Auditory Canal Cholesteatoma

Prevalence of external auditory canal exostoses in Australian surfboard riders

2004 ◽  
Vol 118 (5) ◽  
pp. 348-351 ◽  
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.

scholarly journals Changes in the oral cavity caused by scurvy

2003 ◽  
Vol 60 (6) ◽  
pp. 753-756 ◽  
Author(s):  
Dragana Dakovic ◽  
Besir Ljuskovic ◽  
Ivan Mileusnic ◽  
Vesna Tepsic
Keyword(s):  
Vitamin C ◽  
Oral Cavity ◽  
Rare Disease ◽  
Clinical Examination ◽  
Psychiatric Patient ◽  
Clinical Signs ◽  
Complete Recovery ◽  
Vitamin C Deficiency ◽  
Plaque Control ◽  
Prompt Diagnosis

This report presents a case of a psychiatric patient with scurvy. Upon the clinical examination of the oral cavity, dry and pale lips were noted. Gingiva was highly edematous, soft, purple blue with ulcerated margins. Bleeding was noted upon slightest provocation. Teeth were also affected by the vitamin C deficiency with multiple caries. The patient was asthenic and adynamic. Petechial bleeding and hematomas were present on the skin of extremities. Therapy consisted of rehydration and vitamin C compensation - 2 g daily i.v. during 10 days period, and 1.5 g daily orally during the following 2 months. The patient maintained only partial plaque control, and complete recovery of the oral cavity was not established because the patient didn?t comply. Concerning that scurvy is a rare disease nowadays, it is very important to recognize its clinical signs, and to establish a valid and prompt diagnosis, because, when untreated, scurvy can have severe consequences on the entire organism.

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