When would you add an extra radiation dose to compensate for treatment breaks?

Topics: Lung Cancer • Breast Cancer • Radiation Oncology • Gynecologic Cancers • Gastrointestinal Cancers • Genitourinary Cancers • Melanoma/Skin Cancer • General Radiation Oncology

Apart from H&N SCC, are there times where adding an extra dose of radiation due to a tx break is appropriate? Is there a decent equation out there that differentiates between histologies?

Answer from: Radiation Oncologist at Community Practice

There is no absolute answer for this situation and additional dose is a function of the site we are treating, indication, modality of treatment, and the potential morbidity of additional treatment Like in cervical cancer, newer data suggest adding 5 Gy EQ2 with brachytherapy can mitigate effect of ...

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Radiation Oncologist at University of Virginia School of Medicine
To add an example from prostate cancer, since it's...

Answer from: Radiation Oncologist at Community Practice

How would you handle a definitive N+ vulvar patient who stopped treatment near the end of the pelvic portion and took a 4 week break AMA? Assume bowel was at typical max dose on the plansum initially. How many extra fractions would you give, if any, and would you give the extra fractions on the comb...

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Radiation Oncologist at Varian Medical Systems/Allegheny health network
I would discuss with the surgeon about possible re...

Radiation Oncologist at Vanderbilt-Ingram Cancer Center
Dr. @Sushil Beriwal, do you have a link or author/...

Radiation Oncologist at Varian Medical Systems/Allegheny health network
Tanderup et al., PMID 27350396.

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