helical scan

基本解释

Helical CT scan images were obtained in the vascular phase and the maximal hepatic enhancement phase.
对所有患者均进行双螺旋CT扫描，分别获取血管相和肝脏最大强化相影像。
Conclusion The multi phasic helical CT scan is superior to the conventional CT in the diagnosis of small RCC.
结论螺旋CT多期扫描在小肾癌的诊断中较常规CT有明显优越性；
Objective: To contrast data of reconstruction in lung helical scan and general CT scan, to evaluate the value of its clinical application.
目的：对肺部螺旋CT扫描重建资料与CT平扫进行对比，探讨临床应用价值。

denoting a recording technique used with video tapes in which the recorded tracks on the tape are segments of a helix