You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Cochlear basal turn dysplasia is known as and explain in detail?
Congenital malformations of the inner ear Complete labyrinthine aplasia (Michel), Complete membranous labyrinthine dysplasia (Siebenmann-Bing), Cochleosaccular dysplasia (Scheibe), Cochlear basal turn dysplasia (Alexander) Alexander dysplasia : It affects only the basal turn of membranous cochlea. Thus only high frequencies are affected. Residual hearing is present in low frequencies and can be exploited by amplification with hearing aids. Ref : Diseases of ENT by Dhingra 6th edition Pgno : 115