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>

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

Practica Oto-Rhino-Laryngologica ◽

10.5631/jibirin.92.1311 ◽

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

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Transcanal Endoscopic Ear Surgery with Piezoelectric Device for External Auditory Canal Lesions

Korean Journal of Otorhinolaryngology - Head and Neck Surgery ◽

10.3342/kjorl-hns.2020.01109 ◽

2021 ◽

Vol 64 (7) ◽

pp. 511-516

Author(s):

Chan Young Lee ◽

Seung Ho Kim ◽

Jeong Hwan Choi

Keyword(s):

External Auditory Canal ◽

Cold Water ◽

Surgical Excision ◽

Cystic Mass ◽

Surgical Removal ◽

Ear Surgery ◽

Dental Surgery ◽

Piezoelectric Device ◽

External Auditory Canal Cholesteatoma ◽

Conductive Hearing

External auditory canal exostosis (EACE) is prone to occur in patients frequently exposed to cold water, which causes earwax impaction, recurrent otitis externa, and conductive hearing loss. The main treatment for symptomatic EACE is surgical excision. External auditory canal cholesteatoma (EACC) is a bone-destructive cystic mass caused by accumulation of plugs of desquamated keratin debris in the external auditory canal (EAC), which is also mainly treated with surgical removal. The main difficulties in the surgical removal of obstructive EACEs or EACCs are related to the adjacency of EAC skin, tympanic membrane, temporomandibular joint, and the blockage of the medial EAC landmarks during the operation. The piezoelectric device (PZD), which has long been used to cut bony structures in dental surgery, has clinical advantages here with regards to accurate exclusive bone cutting ability and minimal heat production. We report a series of cases that managed EAC lesions using PZD.

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Adenoid cystic carcinoma of external auditory canal: A rare disease

Journal of the Pakistan Medical Association ◽

10.47391/jpma.572 ◽

2021 ◽

pp. 1-8

Author(s):

Abdul Basit Vardag ◽

Muhammad Hassan Danish ◽

Muhammad Sohail Awan ◽

Muhammad Usman Tariq ◽

Omaima Anis Bhatti ◽

...

Keyword(s):

Adenoid Cystic Carcinoma ◽

Neck Dissection ◽

Rare Disease ◽

External Auditory Canal ◽

Squamous Cell Carcinomas ◽

Rare Occurrence ◽

Limited Data ◽

Aggressive Approach ◽

Adenoid Cystic

Abstract External auditory canal, like other epithelialized surfaces is predisposed to malignancies such as Squamous cell carcinomas (SCC), melanomas and adenocarcinomas. In this background, malignancies like adenoid cystic carcinoma (ACC) are a rare occurrence and need to be thoroughly evaluated both locally and for distant extension. The malignancy needs to be addressed with an aggressive approach surgically with adequate marginal clearance. The role of radiation is debatable considering the outcomes in the limited data. Here we present a case of a 35-year-old female who presented with otalgia and otorrhea associated a mass in the external auditory canal. After biopsy and imaging, a diagnosis of adenoid cystic carcinoma was made, and the patient was managed accordingly. Keywords: Adenoid cystic carcinoma, External auditory canal, Neck dissection Continuous...

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A Case of Squamous-cell Carcinoma Originating in External Auditory Canal Cholesteatoma

Journal of Nippon Medical School ◽

10.1272/jnms.70.363 ◽

2003 ◽

Vol 70 (4) ◽

pp. 363-366 ◽

Cited By ~ 1

Author(s):

Hideharu Aoki ◽

Kouji Matsumoto

Keyword(s):

Squamous Cell Carcinoma ◽

Cell Carcinoma ◽

Squamous Cell ◽

External Auditory Canal ◽

External Auditory Canal Cholesteatoma

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Complications of keratosis obturans

The Journal of Laryngology & Otology ◽

10.1017/s0022215106002349 ◽

2006 ◽

Vol 120 (9) ◽

pp. 740-744 ◽

Cited By ~ 15

Author(s):

N C Saunders ◽

R Malhotra ◽

N Biggs ◽

P A Fagan

Keyword(s):

Hearing Loss ◽

Facial Nerve ◽

External Auditory Canal ◽

Bone Erosion ◽

Disease Process ◽

Jugular Bulb ◽

Horizontal Semicircular Canal ◽

The Third ◽

Tegmen Tympani ◽

External Auditory Canal Cholesteatoma

Three patients with extensive keratosis obturans were treated during a 12-month period. One presented with an idiopathic sensorineural hearing loss and was found to have keratosis obturans in the contralateral, asymptomatic ear. The disease process had resulted in a horizontal semicircular canal fistula in what was now, effectively, the only hearing ear. The second patient had an extensive dehiscence of the tegmen tympani. The third presented with a facial palsy. An automastoidectomy cavity was present, with circumferential skeletonization of the descending facial nerve over a length of 1.5 cm and dehiscence of the temporomandibular joint and jugular bulb. All three patients were successfully treated by surgical formalization of their automastoidectomy cavities. They appeared to represent cases of keratosis obturans rather than external auditory canal cholesteatoma, on the basis of previously published reports.These complications and patterns of bone erosion have not previously been described in keratosis obturans. The third patient is believed to have the most extensive case of keratosis obturans yet described.

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