Biology, asked by Arnav7234, 1 year ago

Congenital deafness in treacher collin syndrome diagnosis

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Answered by MrSagnik10
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Answer:

Hearing loss in Treacher Collins syndrome is caused by deformed structures in the outer and middle ear. The hearing loss is generally bilateral with a conductive loss of about 50–70 dB. Even in cases with normal auricles and open external auditory canals, the ossicular chain is often malformed.

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