アブミ骨筋性耳鳴の1治験例

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A 57-year-old female with tinnitus in the right ear associated with facial movement underwent stapedial tenotomy. Six years prior to the operation she had suffered from Ramsay-Hunt's syndrome in her right face, and from then on noticed of hemifacial spasm, and low pitched noise and slight impairment of hearing in her right ear whenever she moved her face.Audiometric examination revealed 10-15dB loss of hearing in the right ear in low frequencies when she made a wry face. Facial movement induced a stapedial reflex in the right ear in impedance audiometry.After resection of the tendon of stapedius muscle, tinnitus and hearing impairment associated with facial movement disappeared completely. Her complaint was an only slight hyperacusis in the operated ear.
耳鼻咽喉科臨床学会の論文