PMC7784111_01
PMC7784111_02
Pure tone audiometry.
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Pure tone audiometry revealed bilateral moderate conductive hearing loss (Figure 1).
(A) CT temporal bones coronal view showing bilateral absence of all semi-circular canals (SCC); (B) The temporal bones of a normal patient for comparison.
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A CT scan of the temporal bones showed absence of all the semicircular canals bilaterally (Figure 2A). Figure 2B shows the temporal bones of a normal patient used for comparison.