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Auditory Canal

Bilateral external auditory canal cholesteatomas

March 19, 2014  |  Danielle M. Blake, BA; Alejandro Vazquez, MD; Robert W. Jyung, MD

External auditory canal cholesteatomas may be classified as idiopathic or secondarily acquired, most commonly occurring in postoperative or post-traumatic settings.

Case report: Dermal inclusion cyst of the external auditory canal

December 20, 2013  |  Eric W. Cerrati, MD; Jonathan S. Kulbersh, MD; Paul R. Lambert, MD


Dermal inclusion cysts are benign masses that arise as the result of the entrapment of ectodermal components during embryogenesis. Their presenting symptoms are a direct result of the mass effect of the growing cyst. We describe the case of a 23-month-old girl who presented...

Medial canal fibrosis

September 19, 2013  |  Joseph A. Ursick, MD; John W. House, MD

Medial canal fibrosis is an uncommon condition characterized by progressive stenosis of the bony external auditory canal.

Thiersch skin grafting in otologic surgery

August 22, 2013  |  Helen Xu, MD; Natasha Pollak, MD, MS; and Michael M. Paparella, MD


Thiersch skin grafting is an old but highly effective surgical technique in otology. We frequently place a Thiersch graft after otologic procedures that either create a mastoid cavity or result in reduced skin coverage of a portion of the external auditory canal. The purpose of...

Ganglion cyst in the external auditory canal

August 22, 2013  |  Chi-Kyou Lee, MD; Mee-Hye Oh, MD; and Kye Hoon Park, MD

In rare instances, ganglion cysts of the TMJ can pre-sent as a mass of the EAC, sometimes without obvious communication with the glenoid fossa.

Large osteoma of the external auditory canal

July 22, 2013  |  Takashi Iizuka, MD; Takuo Haruyama, MD; Keiko Nagaya, MD

Cicatricial external auditory canal stenosis caused by ectodermal dysplasia: Rapp-Hodgkin syndrome

June 12, 2013  |  Amanda B. Sosulski, MD and James D. Hayes, MD


We present a case of recurrent cicatricial stenosis of the external ear canals caused by ectodermal dysplasia, specifically Rapp-Hodgkin syndrome, in a 45-year-old woman. No form of medical or surgical management has produced durable patency of the patient's ear canals, and her...

Cavernous hemangioma of the external auditory canal

April 18, 2013  |  Min-Tsan Shu, MD; Kang-Chao Wu, MD; Yu-Chun Chen, MD

The differential diagnosisfor cavernous hemangioma of the external auditory canal includes attic cholesteatoma with aural polyp, glomus tumor, arteriovenous malformation, granulation tissue, and carcinoma of the EAC.

Large bilateral internal auditory meatus associated with bilateral superior semicircular canal dehiscence

January 24, 2013  |  Leonardo Manzari, MD; Paola Scagnelli, MD


Superior semicircular canal dehiscence and an abnormally wide internal auditory meatus are clinical entities characterized by vestibular and cochlear symptoms. These symptoms are induced by hypersensitivity of labyrinthine receptors secondary to a bone defect of the otic...

Primary cutaneous CD30-positive anaplastic large-cell lymphoma of the external auditory canal

December 31, 2012  |  Nuno Marcal, MD; Sofia Campelos, MD; Luis Dias, MD; Matos Goncalves, MD; Gabriel Pereira, MD; Tiago Godinho, MD


Primary cutaneous T-cell lymphoma is rare. Cutaneous lymphoma is defined as primary when there is an absence of nodal or systemic disease during the first 6 months following diagnosis. We report what we believe to be the first documented case of a primary cutaneous CD30-...

Case report: Metastatic small-cell lung carcinoma of the external auditory canal

November 1, 2012  |  Moshe Hain, MD; Edit Feldberg, MD; and Doron Halperin, MD


We report the case of a 73-year-old man who developed metastatic small-cell lung cancer to the bony external auditory canal (EAC). The patient had only recently been diagnosed with his primary carcinoma. The metastasis presented as a bulky, fleshy, bleeding mass in the right...

Intradermal melanocytic nevus of the external auditory canal

August 10, 2012  |  Kai-Chieh Chan, MD; Chi-Ju Yeh, MD; Wan-Ling Ho, MD

Intradermal melanocytic nevi are usually asymptomatic, but a patient with such a lesion in the external auditory canal can present with aural obstruction and conductive deafness.


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