What is the case for or against using protons for lung SBRT?

Topics: Radiation Oncology • Thoracic Malignancies

Answer from: Radiation Oncologist at Academic Institution

Proton therapy is a tool in the radiation toolbox to use when needing to take advantage of avoiding normal tissue. For the vast majority of cases, proton therapy is not needed for lung SBRT and of course, there are concerns about motion, low density targets, under coverage, and beam overshoot. But.....

Comments

Radiation Oncologist at Mayo Clinic
Great answer. Usually, protons aren't helpful for ...

Radiation Oncologist at UCLA | VA Greater Los Angeles Healthcare System
Dear @Jim and @Ken, Do you have any experience wi...

Radiation Oncologist at Mayo Clinic
Hi @Drew! The dose with protons for small lung tum...

Radiation Oncologist at UC San Diego School of Medicine
Correct... even in the IPF, MCTD, etc. populations...

Radiation Oncologist at UCLA | VA Greater Los Angeles Healthcare System
Thank you. Your responses certainly exceeded my ex...

Answer from: Radiation Oncologist at Community Practice

To answer the question first: My general opinion is that there are not a lot of reasons to do it, currently. Keep in mind that there are some wide differences in technology available at different proton centers: some do not have CBCT image guidance, 4D-CBCT is not available, differing spot sizes, a...

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