Cochlear aplasia

Dr Henry Knipe and Dr Dalia Ibrahim et al.

Cochlear aplasia, or complete absence of the cochlea is a rare anomaly which accounts for only 3% of cochlear malformations.

  • labyrinthitis ossificans
    • normal-sized bone is seen anterior to the IAC
    • the bulge of the cochlear promontory produced by the basal turn of the cochlea is present
  • common cavity deformity
  • cystic cochleovestibular anomaly
  • labyrinthine aplasia

Article information

rID: 47542
System: Head & Neck
Tag: cases, cases
Synonyms or Alternate Spellings:

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Cases and figures

  • Case 1
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  • Case 2: MRI
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