Article Information

E.B. Arkink1,2
J.H.M. Frijns3
B.M. Verbist1,4

1Department of Radiology, Leiden University Medical Center, The Netherlands

2Department of Radiology, Medical Center Haaglanden, The Netherlands

3Department of Otorhinolaryngology, Leiden University Medical Center, The Netherlands

4Department of Radiology, Radboud University Nijmegen Medical Center, The Netherlands

Correspondence to:
E.B. Arkink


Postal address:
Albinusdreef 2, 2333 ZA Leiden, Netherlands

How to cite this article:
Arkink, E.B., Frijns, J.H.M., Verbist, B.M. Temporal bone imaging. S Afr J Rad. 2015;19(1); Art. #834, 2 pages.

Copyright Notice:
© 2015. The Authors. Licensee: AOSIS OpenJournals.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Temporal bone imaging
In This Quiz Case...
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A 46-year-old man presented to the Department of Otolaryngology with congenital deafness of unknown cause. With the help of hearing aids (which did not provide any speech understanding in the sound-only condition) and by mastering speech reading, he had learned to speak quite fluently at a school for deaf and hearing-impaired children. Despite these capabilities, he came to seek advice about cochlear implants, as he would like to communicate more conveniently with his family, of whom none had significant hearing loss.

On physical examination, he was completely deaf and had adapted to major vestibular deficits (i.e. bilateral vestibular areflexia). The following CT scan of the petrous bone (Figure 1) and MRI images of the cerebellopontine angle (Figure 2) were obtained.

FIGURE 1: Axial images through the right (panel a, c, e and g) and left (panel b, d, f and h) petrous bone. Axial images through the right (panel a, c, e and g) and left (panel b, d, f and h) petrous bone.

FIGURE 2: Axial T2-weighted MRI of the inner ear, internal auditory canal and cerebellopontine angle.

Describe the relevant imaging findings and formulate the most appropriate clinical diagnosis. Please submit your response to not later than 31 July 2015. The winning respondent will receive R1000 from the RSSA. A detailed diagnosis and discussion will be presented in the next issue of the SAJR.

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