- abnormal configuration of the left cochlea and vestibule which appear rudimentary with loss of their internal architecture and appear cystic.
- the semicircular canals appear dysplastic and of relatively small size compared to the contra-lateral side.
- normal right inner ear structures with intact vestibulo-cochlear system.
- no cerebello-pontine angle mass lesion.
- well-aerated aero-tympanic cavities and mastoid air cells on either side.