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Otology

The effects of round window membrane injury and the use of a model electrode application on hearing in rats

March 16, 2016  |  Murat Koc, MD; Abdullah Dalgic, MD; Mehmet Ziya Ozuer, MD

Abstract

We conducted an animal experiment to investigate the effects of mechanical trauma to the round window with the placement of a model electrode inserted into the scala tympani on the cochlear reserve, and to determine the efficacy of topical steroids in preventing hearing loss in...

The economic impact of revision otologic surgery

March 16, 2016  |  Sahar Nadimi, MD; John P. Leonetti, MD; George Pontikis, MD

Abstract

Revision otologic surgery places a significant economic burden on patients and the healthcare system. We conducted a retrospective chart analysis to estimate the economic impact of revision canal-wall-down (CWD) mastoidectomy. We reviewed the medical records of all 189 adults...

Endolymphatic sac tumor in association with von Hippel-Lindau syndrome

March 16, 2016  |  Kevin Shaigany, BS; Alejandro Vazquez, MD; Kelvin M. Kwong, MD; James K. Liu, MD; Robert W. Jyung, MD

Patients with ELST present most commonly with sensorineural hearing loss, tinnitus, and vertigo, in a pattern reminiscent of Ménière disease.

Laser myringoplasty for tympanic membrane retraction

February 24, 2016  |  Brian S. Chen, MD; John W. House, MD; James V. Crawford, MD

Only selected patients are good candidates for this procedure. Patients who are able to lift their TM with the Valsalva maneuver are ideal.

External auditory canal stenting with nonlatex glove and Gelfoam

February 24, 2016  |  Judy C. Pan, MD; Tucker M. Harris, MD

Abstract

External auditory canal stenosis, although uncommon, is a condition that is sometimes encountered by otolaryngologists. This condition has been shown to result from inflammatory changes that may be incited by many different causes. Various methods of stenting the canal open...

A case of lipoma arising in the eustachian tube

January 22, 2016  |  Jonathan Dabiri, MD; Georges Choufani, MD; Isabelle Delpierre, MD; Sergio Hassid, PhD

Abstract

We report a case of a lipoma inside the eustachian tube, an extremely rare location for this lesion. To the best of our knowledge, this is only the second such case that has been described in the literature. The patient was a 47-year-old man, a fighter pilot, who was referred...

Slag injury to the tympanic membrane

January 22, 2016  |  Emily Marchiano, BA; Robert W. Jyung, MD

The presence of slag can be confirmed on CT, which can be used to evaluate damage to the ossicles and the proximity of the foreign body to nearby structures such as the carotid canal.

Congenital choristoma (hairy polyp) of the eustachian tube: Surgical management of a rare clinical entity

January 22, 2016  |  Jonathan M. Melzer, MD, LT, MC, USN; Austin Morgan, MD, LT, MC, USN; David Darrow, MD

Macroscopically, choristomas can appear as soft, pedunculated masses that are hairy with a white or a violaceous hue. They can measure up to 6 cm in diameter.

Bone-anchored hearing aid implantation in a patient with Goldenhar syndrome

December 14, 2015  |  Griffin Santarelli, MD; Roberta E. Redfern, PhD; Aaron G. Benson, MD

Abstract

Patients with Goldenhar syndrome exhibit a number of characteristic symptoms, including middle and internal ear malformations that may cause profound hearing loss. Bone-anchored hearing aids have been used to treat these patients in the past, although complications may arise...

Sensorineural hearing loss associated with a factitious disorder

December 14, 2015  |  Ayako Maruyama, MD; Yoshihiro Noguchi, MD; Taku Ito, MD; Kenji Narushima, MD; Ken Kitamura, MD

Abstract

Factitious disorders are characterized by intentionally abnormal physical and/or psychological behavior, and affected patients often make up their symptoms and clinical histories. The most serious and chronic type of factitious disorder is Munchausen syndrome. We report the...

Sensorineural hearing loss in beta-thalassemia patients treated with iron chelation

December 14, 2015  |  Ustun Osma, MD; Erdal Kurtoglu, MD; Hulya Eyigor, MD; Mustafa Deniz Yilmaz, MD; Nurdan Aygener

Abstract

The predictive value of pure-tone audiometry (PTA) in the early detection of ototoxicity has been questioned, particularly in the higher frequencies. Otoacoustic emissions testing appears to be more sensitive to cochlear insult than conventional PTA. We conducted a cross-...

Facial nerve neurofibroma presenting with external auditory canal tumor and facial palsy

December 14, 2015  |  Yao-Ying Tseng, MD; Cheng-Chien Yang, MD; Chen-Chuan Li, MD; Min-Tsan Shu, MD

Facial nerve neurofibromas are benign and rare, and they generally present with facial palsy; however, hearing loss, tinnitus, and vertigo are also observed occasionally.

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