PMC9450622_01
Audiometry with sensorineural hearing loss on the left and mixed loss on the right.
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PMC9450622_01_gr1.jpg
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Pure tone audiometry and vocal discrimination showed moderate to severe mixed loss in speech frequencies and profound loss in high frequencies on the right and mild sensorineural loss in speech frequencies and severe loss in high frequencies on the left (Figure 1).
CT scan showing bilateral large vestibular aqueduct.
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PMC9450622_01_gr2.jpg
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Temporal bone CT scan showed dilated aspect of distal segment of vestibular aqueducts on the region of the endolymphatic sacs (Figure 2).
PMC9450622_02
CT scan showing bilateral large vestibular aqueduct, especially on the right.
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Audiometry showed moderate to severe mixed loss on the right and moderate loss on the left (Figure 3).
Audiometry showing bilateral mixed hearing loss.
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PMC9450622_02_gr4.jpg
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Temporal bone CT scan showed enlargement of vestibular aqueducts, especially on the right, with normal aspect of cochlea and vestibule (Figure 4).
PMC9450622_03
Audiometry showing mixed hearing loss on the left.
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PMC9450622_03_gr5.jpg
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Pure tone audiometry presented severe mixed hearing loss on the left (Figure 5).
CT showing enlargement of left vestibular aqueduct.
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PMC9450622_03_gr6.jpg
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Temporal bone CT scan evidenced large aqueduct on the left with normal cochlea and vestibule (Figure 6).
PMC9450622_04