我们自1990年起，即开始将CT视频反转技术应用于临床，取得一定效果，现报道如下：通过对500例次的CT视频反转影像和常规CT图象相比较，我们体会在下列方面优于常规CT图象：①在CT导向活检，CT导向下颅由血肿清除时，用反转像观察穿刺针转常规CT图象清晰，特别是胸部疾患的活检 We have been using the CT video inversion technology in clinical practice since 1990, and we have achieved some results. We report the following: By comparing 500 CT images with conventional CT images, we have realized that in the following aspects Superior to conventional CT images: ① CT-guided biopsy, CT-guided removal of the skull by the hematoma, the use of reverse rotation to observe the conventional needle puncture needle clear CT images, especially in the chest disease biopsy