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How do you approach image-guidance and creation of ITV/PTV margins for rib SBRT?

In contrast to lung SBRT, rib lesions may not have a clear lesion on CT that can be delineated to create an ITV after 4DCT. Do you create an ITV, and if so, what is your strategy? Do you have a typical PTV margin you feel is adequate?

Answer from: Radiation Oncologist at Academic Institution

Delineation of rib lesions indeed can be difficult on planning CT. First step is to determine if patient's clinical symptoms correlate with the target area - I have encountered situations wherein collateral history (whether referring doc, or trainee) can bias treatment intent before meeting the pati...

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Radiation Oncologist at Texas Oncology
Personally, I've used abdominal compression and gi...

Radiation Oncologist at CarolinaEast Radiation Oncology
Thank you for these answers. What is your preferre...

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How do you approach image-guidance and creation of ITV/PTV margins for rib SBRT?

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