n SA Journal of Radiology - Answer to quiz case : temporal bone imaging : quiz case

Volume 19, Issue 1
  • ISSN : 1027-202X
  • E-ISSN: 2078-6778



Computed tomographic scanning of the petrous bone and magnetic resonance imaging sequences of the inner ear and cerebellopontine angle of a deaf patient were performed to find an explanation for his deafness, and to establish whether he would be a good candidate for cochlear implantation. The imaging features were considered pathognomonic for incomplete partition type III (IP type III). Further management and discussion of this deafness subtype are detailed.

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