所谓标绘图是指当检查床通过扫描机架时,处于非旋转状态的X线球管充以短时脉冲所获得的数字影象。通常仅用于确定扫描的层面和角度,在读片时很少被重视。作者随机抽取了头颅和脊柱的CT资料片各100份,进行了回顾性研究。观察指标分为:仅能在CT断面上或标绘图上识别的异常,以及二者均可发现的病变。在脊柱的CT资料中均具有侧位标绘图,其中3％还具有后前位标绘图。其检查部 The so-called plot refers to when the examination bed through the scanning frame, the non-rotating X-ray tube filled with digital imaging obtained by short-term pulse. Often only used to determine the level and angle of the scan, it is seldom seen when reading a film. The authors randomly selected 100 CT scans of the skull and spine for a retrospective study. Observations were divided into: abnormalities identified only on the CT section or on the chart, and lesions that were detectable by both. The CT data of the spine have lateral plots, of which 3% also posterior superscript plots. Its inspection department