What type of sources in brachytherapy require leakage testing?

In brachytherapy, leakage testing is essential for ensuring patient safety and the reliability of the radioactive sources used in treatment. The correct choice emphasizes the importance of conducting leakage testing on all sources that are currently in use.

Leakage testing is vital because it helps confirm that the radioactive materials are contained securely within their source capsules or delivery mechanisms. Over time, factors such as wear and tear, handling, or environmental conditions can lead to potential leaks, which may pose a risk to patients and healthcare staff. Therefore, by requiring testing on all sources actively used, healthcare providers can monitor and maintain safety standards effectively.

This practice underlines a commitment to safety and regulatory compliance in medical dosimetry, particularly when administer resources that emit radiation close to tissues or organs during cancer treatment. Regular testing ensures that any leakage is identified and managed appropriately to minimize exposure risks.

While different sources may have varying half-lives and attributes, the primary concern is the condition of the sources in use. Thus, appropriate leakage testing is vital for maintaining a safe treatment environment, regardless of half-life considerations or the specific characteristics of the sources involved.