PMC10413890_01
(a) Case 1 baseline audiogram showed mild sensorineural hearing loss in the left ear. (b) Posttreatment audiogram showed recovery to normal hearing in the left ear.
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In the requested audiogram, mild sensorineural hearing loss was reported in the left ear and normal hearing in the right ear (Figure 1(a)). The control audiogram was normal after the treatment. (Figure 1(b)) No hearing loss was observed in the 4 months' follow-up after recovery.
PMC10413890_02
(a) Case 2 baseline audiogram showed severe sensorineural hearing loss in the left ear. (b) Posttreatment audiogram showed significant improvement in the left ear.
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An audiogram was requested in which severe sensorineural hearing loss of the left ear was reported. (Figure 2(a)) No pathological findings were reported on brain MRI. After a 10-day treatment period, the patient's hearing improved to mild sensorineural hearing loss (Figure 2(b)).