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Pure-tone audiograms indicating profound hearing loss in superficial siderosis

The first (shown in green) and last (shown in brown) pure-tone audiograms. Legend: left ear (x) and right ear (o). (Source: Halmagyi GM, Parker GD, Chen L, et al. Progressive loss of hearing and balance in superficial siderosis due to occult spinal dural defects. Eur Arch Otorhinolaryngol 2023;280[2]:633-41. Creative Commons Attribution 4.0 International [CC BY 4.0] license,

Associated Disorders

  • Ataxia
  • Peripheral vestibular disorders
  • Sensorineural hearing loss
  • Subarachnoid hemorrhage