PubMed · 14890379
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J R MOZOTA SAGARDIA. [Hearing test].. https://pubmed.ncbi.nlm.nih.gov/14890379/
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To report a unique orientation of the internal auditory canal and possible association with congenital hearing loss. Retrospective chart review of an 8-year-old Hispanic male with a mixed hearing loss. Uniquely abnormal orientation of the internal auditory canal in a patient with apparently normal cochleovestibular structures and a mixed hearing loss. A vertically oriented IAC is a rarely described anatomical anomaly of the temporal bone that may have associations with congenital hearing loss.
Congenital minor ear malformations are very uncommon. Their etiology can be explained by the embryological development of the middle ear structures. Their classification, diagnosis and treatment pose certain problems. We report on one case of congenital stapes fixation and one case of oval window absence, both associated with an abnormal facial nerve course. Good long-term results show that performing a platinotomy or vestibulotomy in cases of congenital stapes fixation or oval window absence can be a relatively safe procedure, even in presence of deviated facial nerve course. The literature and present classifications of minor ear malformations are discussed.
Chronic tinnitus is a frequent symptom in the current medical practice. Patients presenting with chronic tinnitus have to be evaluated by comprehensive examination, including ENT status, audiometry and complete neuro-otological evaluation if required, to exclude an organic cause of tinnitus, as an external--or middle ear lesion, or a retro-cochlear process. Most often, chronic tinnitus is only associated with a sensorineural hearing-loss. Overall, no drug treatment can be proposed. However, the patient needs help and two techniques can be proposed to make the symptom more tolerable: the bio-psycho-social model, with a medical and psychological sustain, and the habituation auditory therapy, using noisers to mask the tinnitus.