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。

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 ...

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 ...

SPECT-CT, or Single Photon Emission Computed Tomography – Computed Tomography, combines two powerful imaging technologies ...

Medical imaging scans that create detailed images of the body's internal structures are widely used in medicine. Doctors need them to detect and manage certain types of cancer, assess the extent of ...

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 ...

A new study has set off alarm bells, attributing the overuse of computed tomography – or CT – scans to around 5% of new cancer diagnoses annually. Since 2007, this imaging technology has seen a 30% ...

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 ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. CT utilization in 2023 is projected to result in more ...

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: ...