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perilymph fistula

Pathology: - fistula in the oval window or round window creating an abnormal passage between the middle ear & the vestibular apparatus [2] History: - history of straining or trauma Clinical manifestations: - sudden onset of sensorineural hearing loss - dizziness, vertigo, nystagmus Special laboratory: - pneumatic otoscopy with bulb insufflation may cause vertigo with nystagmus (Hennebert sign)

Related

perilymph (Cotunnius liquid)

General

fistula ear disease

References

  1. Medical Knowledge Self Assessment Program (MKSAP) 15, 18. American College of Physicians, Philadelphia 2009, 2018.
  2. Geriatric Review Syllabus, 9th edition (GRS9) Medinal-Walpole A, Pacala JT, Porter JF (eds) American Geriatrics Society, 2016