CT scan

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And yet, most parents likely never think to question a doctor's decision to run a CT scan on a child complaining of stomach pain or headaches.
对于患肚子痛或头痛的孩子们，医生决定进行CT扫描。可是，许多家长可能根本没有想到要询问一下医生为何做出这样的决定。
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A doctor might, for example, order an unnecessary CT scan for a patient who had only a minor forehead bruise from a fall but a perfect neurologic exam.
例如，一位患者跌了一跤，前额有些许挫伤，常规来讲做一次神经学检查就足够了，但医生也许会再安排一次不必要的CT扫描。
A follow up CT scan showed that the dead brain tissue had filled up with blood. As the body digested the dead brain tissue, later scans showed a large hole in the left hemisphere.
他进了重症监护室，随后的CT扫描显示他死亡的脑组织已经被血液填满，待身体吸收了死亡的脑组织，之后的扫描显示他的左半脑有一个大洞。

Concussions can be mild, but doctors may order a CT scan to look for a more serious injury.
every year, the government is under pressure to make an official recommendation on how much radiation is safe during a CT scan.
A less invasive procedure known as a virtual colonscopy is done with a CT scan that passes x-rays through a patient's abdomen.

In 49 major metro areas, CT scan prices vary by more than 500 percent.
FORBES: To Bring Healthcare Prices Down, Consumers Must Demand Price Transparency