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Topics:
Radiation Oncology • Gastrointestinal Cancers
What dose do you use for postoperative rectum boost?
NCCN allows a range from 5.4-9 Gy for adjuvant boost and German trial used 55.8 Gy.
What factors might sway you to give a higher / lower dose? Is more toxicity with higher dose seen?
Answer from: Radiation Oncologist at Community Practice
We use 50.4Gy and very rarely go to 54Gy.
Answer from: Radiation Oncologist at Academic Institution
max point dose of 65Gy and <40 cc over 55Gy (guideline not limit).
Answer from: Radiation Oncologist at Academic Institution
We use 54Gy as well, but limit the small bowel dose to max point dose of 55Gy and <40 cc over 45Gy (guideline not limit). Often IMRT is necessary due to fixed small bowel in the pelvis. It is important to be very cautious with apparently fixed small bowel in the pelvis.
Comments
Radiation Oncologist at CCare
Do you have a dose limit for large bowel?
Do you have a dose limit for large bowel?
Under what circumstances do you treat post operati...
N+ or margin positive disease get's post-op ChemoR...