PMC3800639_01
Presenting bilateral mixed hearing loss (full description in the text).
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fig1
Pure tone audiometry revealed symmetric, severe bilateral mixed hearing loss in mid- and high-frequencies with 40 dB of air-bone gap (Figure 1).
Bilateral facial nerve palsy, incompetence of palpebral fissures.
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fig2
It was rated the fifth grade according to the House-Brackmann scale (Figure 2).
CT scan showing inflammatory tissue filling both left and right tympanic cavities.
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fig3
In the left ear almost all of the cells of the mastoid process were airless (Figure 3).
Control pure-tone audiometry, performed after four months of treatment, description in the text.
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fig4
The control pure-tone audiometry showed the curve of bone conduction in the range from 0 to 15-20 dB and the curve of the air conduction in the low and medium frequencies from 20-40 dB, and 65 at high frequencies bilaterally (Figure 4).