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Head and Neck Cancers • Radiation Oncology
What criteria do you use for replanning with a new CT simulation for patients being treated definitively for head and neck cancer?
Do you have any rules of thumb regarding amount of weight loss, a percentage change in the size of the primary/node, or the fit of the mask?
Answer from: Radiation Oncologist at Academic Institution
Whenever nodal shrinkage or weight loss reduces the fit of the mask we make a new mask in same position and re-calculate doses using existing IMRT beam and dose fluences. Tumor dose never reduces based on our experience, and the main issue are doses to organs. Skin dose may increase and it may be...
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