What is an acceptable maximum "bridging" dose between SRS/SRT targeted brain metastases in close proximity to one another?
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2 Answers
Mednet Member
Radiation Oncology · Karmanos Cancer Institute - McLaren Proton Therapy Center
Hi @Dr. First Last, hello from your neighbor in Flint, I hope this helps:
I use "Brain Minus GTV" as my normal brain OAR, and to reduce the risk of radiation necrosis/edema, I try to keep it under:
- V12 at 5 cc or less for single fraction SRS; above that I will fractionate
- V28.8 at 7 cc or less when ...