图 3.
颞骨轴位CT
3a：6月龄患儿右耳镫骨前后脚弧度增大(红色箭头所示)；3b：8月龄患儿左耳砧镫关节处角度增大(黄色箭头所示)；3c：6岁8月龄患儿右耳镫骨前脚弧度增大，后脚显影不全(绿色箭头所示)；
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