医生开CT检查，通常是因为它能提供关键诊断信息，比如发现肺结节、腹部肿瘤或脑部病变。理想状态下，CT检查的诊断效益远超其微小的辐射风险，尤其对于疑似严重疾病的患者，及时检查可能救命。但这并不意味着可以随意拍CT。

While these advanced imaging tools save lives by detecting injuries and illness, mounting evidence suggests they may come with long-term consequences that patients need to understand before agreeing ...

About 40% of cancers among Americans can be attributed to potentially modifiable factors such as smoking, drinking, obesity, and physical inactivity. If a widely reported study from earlier this year ...

CT scans are quick, painless, non-invasive tests that can identify everything from brain tumors to injuries from an accident. But a new study published in the journal JAMA Internal Medicine shows a ...

Artificial intelligence is turning a familiar medical workhorse into a window on one of the most pervasive health threats of ...

CT imaging features including appendicolith, appendiceal diameter, fat stranding, and periappendiceal air help identify ...

The number of head CT scans used during ER visits increased from 7.8 million in 2007 to 16 million between 2007 and 2022, but ...

A landmark study reveals that the sheer volume of CT scans in America may trigger over 100,000 future cancer cases, raising urgent questions about when medical imaging does more harm than good. Study: ...