When using surface image-guidance for breast radiation, how do you accommodate for changes in anatomy?
E.g., if tattoo-less set up is used and a patient has significant seroma shrinkage or breast swelling during treatment, do you re-simulate?
How often is this an issue in your practice?
3 Answers
Mednet MemberInvited Expert
Radiation Oncology · University of Maryland
Answered on
It depends on the timing (where they are in their treatment course). If there is a notable change, we will re-CT, especially for seroma shrinkage. Sometimes, if there is a discrepancy within the first couple of treatments, we will re-capture the surface-guided setup. There are some data present indi...
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Mednet MemberInvited Expert
Radiation Oncology · Varian Medical Systems/Allegheny health network
Answered on
It is infrequent, more so in the era of oncoplastic surgery, but if it happens, it needs resimulation.
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Mednet Member
Radiation Oncology · Radiation Oncology Center
Answered on
I shall resim if there is any change in the treatment volume.
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