Object:To observe the role of otoendoscopy in middle ear operation.

目的：观察耳内窥镜检查在中耳手术中的应用。

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To analyse the results and effective factors of middle ear operation in children and juveniles.

为分析青少年和儿童对中耳手术的承受力及手术效果。

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Patients whose volume does not meet doctors' measurement specifications should wait to have an ear operation.

患者的内耳容积不符合医师的测量规范则其耳部手术将延期。

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For children, doctors sometimes fashion a new ear from the stiffer cartilage surrounding ribs, but it's a big operation.

WSJ: Scientists use 3-D printing to help grow an ear