1·Bones: malleus, incus, stapes.
锤骨，砧骨，镫骨。
2·Results (1) The demonstrating rate of the head, neck and handle of malleus on both transverse and coronal plane was 100%. The other structures were seen in different degrees.
结果（1）锤骨头、颈、柄，砧骨体等在横、冠状位上的显示率均为10 0 % ，其余结构在两个位置上的显示率有不同程度的差异。
3·D CT can vividly demonstrate the shape and spatial relationships of malleus and incus.
三维ct能生动地显示锤骨、砧骨的立体形态及空间关系。