Objective To recognize the characteristics manifestations of severe acute respiratory syndrome (SARS) on plain X-ray film and CT in order to find a suitable way of examination.

目的认识严重急性呼吸综合症（SARS）的影像学表现特征并探讨适宜的检查方法。

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Objective an effective but simple method for quantifying the fracture healing progress was provided to obtain more information on fracture healing mechanics from plain X-ray film.

目的更多地提取X线平片中包含的骨折愈合力学信息，为临床骨折愈合治疗过程定量判断愈合程度提供有效并且简便实用的方法。

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Methods the image data from 160 patients with the acetabulum fracture, including X ray plain film and spiral ct scanning, were analyzed retrospectively.

方法回顾性分析经x线平片、螺旋CT扫描证实的髋臼骨折患者160例影像资料。

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