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Radiation Oncology • Non-malignant Disease
How do you decide treatment volumes for radiotherapy for bilateral gynecomastia secondary to bicalutamide therapy?
Do you just contour all the visible breast density? If you wire what's palpable (which is a bit subjective), do you include everything within the wire or just what you see on CT Sim if there is a clear discrepancy later? What margins do you use?
Answer from: Radiation Oncologist at Community Practice
I recall treating more of these cases in prostate cancer patients in the earlier period of my career when DES and flutamide was used more often. And I don't recall having to re-treat anyone. We did both therapeutic and prophylactic RT -> with the latter we/some use 8-10Gy x1(...
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Answer from: Radiation Oncologist at Community Practice
If using a clinical electron setup, the most common setup seen in the literature is an 8x8cm field centered on the breast bud. As for depth, I’m sure that was clinician dependent.