Dr. Mehak Agarwal
Otolaryngology (E.N.T)
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Patient's Query
Hi doctor,
I have been diagnosed with SSCD. I am attaching two hearing tests to this, taken four months apart. Does the air conduction threshold and bone conduction threshold indicate SSCD? Thank you.
Hi,
Welcome to icliniq.com.
The diagnosis of superior semicircular canal dehiscence is given based on the clinical grounds and CT (computed tomography) scan. Your hearing tests spread over six months are somewhat similar. There are a mild worsening of thresholds at very low (250 Hz) and very high (8000 Hz) frequencies which should not affect your hearing because the speech thresholds are unaffected. These thresholds do not diagnose SCCD.
Patient's Query
Thank you doctor,
Thank you again. You are most kind. I have a paper showing a thin bony covering on SSC with loud 24/7 pulse tinnitus and vertigo, which indicates the SSCD. So I wish I do not have it. What does 8000 mean? Also, is my left ear better than my right ear from the images I sent you? Thank you again.
Hello,
Welcome back to icliniq.com.
As per the latest report, the average hearing thresholds for the left and right ears are the same, 41 dB. This is the minimum sound needed for you to hear at 500, 1000, and 2000 Hertz. So both ears have the same hearing capacity in these three frequencies, which are the most necessary for hearing. At 8000 Hz, the air conduction is slightly poor compared to the previous scan. Similarly, at 250 Hz, the bone conduction is somewhat poor compared to the previous scan. These frequencies are not very important in hearing normal sounds. Air conduction is what we usually hear, and bone conduction indicates the capacity of the auditory nerve.
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Otolaryngology (E.N.T)
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