内側型高位頚静脈球を認めた内耳障害例

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  • Medial high jugular bulb with vestibular disorder. Report of a case.
  • Report of a Case

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A 33-year-old male was seen with the chief complains of vertigo, right hearing loss and tinnitus. A pure tone audiogram showed a sensorineural hearing loss of 65 dB. A vestibular function test showed decreased function of labyrinth in both sides. A glycerol test was positive in the right ear. CT of the right temporal bone showed a medial high jugular bulb (MHJB) protruding into the medial petrous bone. We assumed that the MHJB may lead to compression of the endolymphatic sac and to increased hydrops and Meniere-like symptoms. There has been no recurrence of vertigo after treatment with isosorbide.

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