PMC9803778_01
Pure Tone Audiogram (Initial) revealed hearing within normal limits bilaterally apart from an asymmetrical left sensorineural dip at 6 kHz of 35 dB.
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Pure Tone Audiometry confirmed an asymmetrical left sensorineural hearing loss with a dip at 6 kHz of 35 dB on the left side (Fig. 1).
Pure Tone Audiogram (post treatment) revealed hearing within normal limits bilaterally with resolution of the initial left sensorineural dip at 6 kHz.
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A follow-up audiogram was done one month later (Fig. 2) and was within normal limits.