V2EX ct scan

CT Scan

定义 Definition

CT scan(Computed Tomography scan)是一种医学影像检查技术,利用X射线从多个角度对人体进行扫描,再通过计算机处理生成身体内部的详细横截面图像。中文通常称为"CT扫描"或"电脑断层扫描"。

发音 Pronunciation

/si ti skn/

词源 Etymology

CTComputed Tomography 的缩写。Computed 来自拉丁语 computare,意为"计算";Tomography 由希腊语 tomos(切片)和 graphein(书写、记录)组合而成,字面意思是"对切片的记录"。Scan 源自拉丁语 scandere,原意为"攀登",后引申为"逐一审视、扫描"。该技术由英国工程师 Godfrey Hounsfield 和南非物理学家 Allan Cormack 在20世纪70年代发明,两人因此共获1979年诺贝尔生理学或医学奖。

例句 Examples

The doctor ordered a CT scan to check for any internal injuries.
医生开了一项CT扫描检查,以确认是否有内伤。

After the patient complained of persistent headaches, the neurologist recommended a T scan of the brain to rule out any structural abnormalities.
在患者反复抱怨持续性头痛后,神经科医生建议做一次脑部CT扫描,以排除任何结构性异常。

相关词汇 Related Words

文学与文化引用 Literary & Cultural References

  • 在阿图尔葛文德(Atul Gawande)的《最好的告别》(Being Mortal)中,CT scan 作为现代医学诊断手段被多次提及,反映了技术在临终关怀决策中的角色。
  • 在悉达多穆克吉(Siddhartha Mukherjee)的《众病之王:癌症传》(The Emperor of All Maladies)中,CT scan 被描述为癌症诊断史上的里程碑式技术。
  • 在众多医疗题材影视作品中,如《豪斯医生》(House M.D.)和《实习医生格蕾》(Grey's Anatomy),CT scan 是最常出现的医学术语之一。
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