低剂量计算机断层扫描

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Low-dose computerized tomography (LDCT)
is a technology that can generate a three-dimensional image with high resolution. It reveals more details than conventional chest x-ray. Therefore, it can examine the abnormalities of the lung much more than conventional chest x-ray. Also, it uses a lower radiation dose than regular CT scan, making it safe as a lung cancer screening test.

Advantages of low-dose computerized tomography
IMG
 
  • LDCT is able to detect even very small nodules in the lung, which are too small to detect with conventional chest x-ray.
  • LDCT is able to detect early lung cancer. Hence, the cancer can be treated before it has spread outside the lung. This reduces lung cancer mortality.
  • LDCT is a technique that uses low radiation dose so the patient will expose less radiation than conventional CT.
  • IV contrast is not required.
The low-dose computerized tomography is recommended for people at high-risk of lung cancer who:
  • Are active or a previous smoker, aged over 50 years.
  • Have family members who smoke.
  • Live or work in an environment with high pollution or high levels of chemicals such as asbestos and radon.
 
After a consultation with your doctor, he or she will determine if a low dose computerized tomography test is appropriate for you.

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