关键词: 螺旋CT;图像;颞骨

    摘 要:目的 观察正常颞骨后处理影像的表现，估价其临床应用价值. 方法 对16(男10，女6)例22耳进行了螺旋CT扫描，层厚2mm，重建间隔0.5mm，影像后处理在Voxel Q工作站上进行. 结果 MPR影像能在不同切面清楚显示耳蜗、半规管、外耳道骨棘、内听道及面神经管垂直段等结构，显示率为100%.三维CT能生动地显示锤骨、砧骨的立体形态及空间关系. 结论 螺旋CT后处理图像能增加耳部结构诊断信息，可对2DCT起到很好的补充作用.

    Postprocessing sprial CT images in petrous part of temporal bones

    HUAN Yi，FU Xiao，GUO Su-Jin

    Department of Radiodiagnosis，Xijing Hospital，Fourth Military Medical University，Xi'an710033，China

    Keywords:spiral CT;images;temporal bone

    Abstract:AIM To observe the normal expressions of tem-poral bone by postprocessing sprial CT images.METHODS Sixteen cases(22ears)on10men and6women were scanned by spiral CT with a2mm collimation thick and0.5mm reconstructions index.Postprocessing images were ob-tained by the standard software on the Voxel Q workstation.RESULTS Cochlea ......