PMID: 11605680Oct 19, 2001Paper

Resolved sudden hearing loss as a presenting symptom of retrocochlear lesion

Journal of Basic and Clinical Physiology and Pharmacology
Aaron PopovtzerG Bahar

Abstract

To determine whether acoustic neuroma-induced sudden hearing loss is associated with hearing recovery and, if so, to characterize its clinical, audiometric and imaging manifestations. The files of 72 patients with sudden hearing loss evaluated between 1989 to 2001 were reviewed. All patients underwent pure tone audiometry, acoustic reflex and auditory brain revoked response (ABR) test. Magnetic resonance imaging (MRI) was performed followed by a second hearing test after one month. The findings were compared between patients with and without evidence of tumors on imaging, and between patients with tumors with and without recovery. Twenty-five patients (35%) had a diagnosis of acoustic tumor. Of these, six (24%) recovered hearing after one month. Five of them had small intracanicular tumors and one had a small extracanicular tumor. There was variability in the hearing loss. Five had a pathological ABR and one had normal ABR. We conclude that recovery from hearing loss does not exclude acoustic tumors and these patients therefore require full evaluation including MRI.

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Citations

Feb 27, 2019·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Cassandra Puccinelli, Matthew L Carlson
May 7, 2019·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Zirong HuoHao Wu
May 15, 2019·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Cassandra Puccinelli, Matthew L Carlson

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