How do you approach small bowel constraints in the setting of reirradiation?
Do you assume some recovery since the prior course of RT? If so, how much over what time period?
Community PollStarted
What is your cumulated small bowel dose at reirradiation?
144 physicians have voted
Join Mednetto vote and see how they answered.
2 Answers
Mednet MemberInvited Expert
Radiation Oncology · University of Nebraska Medical Center
Answered on
This is a very tough question to answer. I agree with Dr. @Dr. First Last's answer.
The maximum dose for the small bowel during reirradiation can vary depending on various factors such as the previous dose received, the interval between radiation treatments, the purpose of reirradiation (palliative o...
Join for free or sign in to see the full answer
Mednet MemberInvited Expert
Radiation Oncology · Varian Medical Systems/Allegheny health network
Answered on
The re-irradiation I have done in gynecological cancers, I have tried to limit the cumulative dose to the rectum to D2cc to 75 Gy or less (occasionally have gone beyond that) taking into account doses from past and current treatment. There may be a 10% recovery of dose with a time interval of more t...
Join for free or sign in to see the full answer