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Mammography Radiation Dose Recommendations by AEC
pine Webmaster of Pineapple
2008/06/10 03:56
508 topics published
【United Daily News / Reporter Gao Guozhen / Taipei Report】

X-ray mammography is one of the most direct and effective methods for breast cancer detection in women. However, radiation is harmful to the human body, and the breast is particularly sensitive to radiation, making it crucial to carefully manage the radiation dosage.

The Atomic Energy Council recommends that the maximum radiation dose for mammography equipment in gynecology departments be set at 3 milligrays (mGy). This dosage not only ensures clear imaging of the breast but also avoids excessive radiation exposure that could impact health.

Chen Zhiping, head of the Radiation Protection Division at the Atomic Energy Council, pointed out that higher radiation doses result in more thorough X-ray imaging but are harmful to the body. Therefore, the goal should be to "obtain the best image with a reasonable dose." He also noted that achieving optimal imaging is not solely dependent on increasing radiation doses. Factors such as the current settings during machine operation and film development techniques also affect image quality.

Since 2007, the Atomic Energy Council has commissioned relevant associations to conduct a "Pilot Program for Quality Assurance in Mammography Medical Exposure." To date, 67 mammography machines have been inspected. The inspection method involves using a breast phantom with varying degrees of conditions such as fibers, lumps, and calcifications. Each machine is tested to determine whether it can accurately capture lesions within the prescribed radiation limits.

Currently, it has been found that 90% of the machines meet the prescribed limits, meaning they operate at radiation doses below 3 mGy and can clearly image fibers, lumps, and other structures in the breast. However, 10% of the machines, while meeting the prescribed limits, may fail to fully detect breast lesions due to outdated equipment or operator technique issues.

The Atomic Energy Council stated that promoting these standards can ensure the quality of medical care during mammography and safeguard women's health. Although the standards are not mandatory, medical institutions that meet them will receive certification. The Bureau of Health Promotion has published a list of certified medical institutions on its website, and the public can check the list online.

Source: http:/ / mag. udn. com/ mag/ life/ ……_SUB_ID=2141& f_ART_ID=130125
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