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What dose-volume constraint should be used for the normal brain parenchyma in a patient receiving 5-fraction SBRT?  

I have seen small amounts of evidence for V4<20 cc and V14<7 cc, but overall, it seems like there is little published on this issue.  



Answer from: Radiation Oncologist at Academic Institution
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Answer from: Radiation Oncologist at Community Practice
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Radiation Oncologist at Vanderbilt-Ingram Cancer Center
Just to clarify, it was 4 Gy per fraction, for a 5...
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Answer from: Radiation Oncologist at Community Practice
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Answer from: Radiation Oncologist at Academic Institution
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Answer from: Radiation Oncologist at Community Practice
Comments
Radiation Oncologist at Vanderbilt-Ingram Cancer Center
Those are reasonable constraints to shoot for, as ...
Radiation Oncologist at Karmanos Cancer Institute - McLaren Proton Therapy Center
Thanks Dr. @Christine N. Chang-Halpenny, those are...
Radiation Oncologist at SSM Cancer Center/St Louis CyberKnife
Can anyone please clarify if Andruska et al., PMID...
Radiation Oncologist at Vanderbilt-Ingram Cancer Center
Andruska paper above used 'uninvolved brain' for t...
Radiation Oncologist at East Alabama Medical Center
When giving 30 Gy/5 fx to post-operative cavities,...
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