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    • 256层HRCT及重建技术在听骨链损伤术前评估中的应用

    Yunyun ZHAO,Jiping DONG,Junle YANG,Hongsheng LIU,Junjian ZHANG

    Journal of Practical Radiology（2017）

    Cited 7|Views4
    Abstract
    目的 探讨256层高分辨率CT(HRCT)及重建技术在听骨链损伤术前评估中的临床应用价值.方法 对106例颞骨外伤患者进行256层HRCT轴位扫描,收集其中听骨链损伤患者38例.用Philips工作站,行颞骨多平面重建(MPR)、听骨链的曲面重建(CPR)、3D容积再现(3D VR)观察分析听骨链损伤位置、类型及其相邻结构受累的情况,并进行随访.计算原始轴位(AX)、MPR、CPR、3D VR的显示率.结果 106例颞骨外伤患者中,38例(76耳)听骨链损伤,听小骨脱位43耳,其中锤砧关节脱位22耳,锤砧并砧镫关节脱位6耳,砧镫关节脱位3耳,听小骨转位11耳,镫骨前庭脱位1耳;听小骨骨折4耳,其中锤骨骨折2耳,砧骨骨折1耳,镫骨骨折1耳.38例听骨链损伤患者中11例行手术治疗,术后结果与影像诊断结果一致.AX、MPR、CPR、3D VR的显示率分别为97.87％、100％、97.87％、82.98％.结论 256层HRCT及重建技术能清晰显示听骨链损伤的情况,是术前评估的可靠方法.
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