FEATURES |
CyberKnife® |
HDR Brachytherapy |
External Beam Therapy |
Treatment Area |
A portion of the breast = Tumor site with about 1 cm margin only |
Tumor site with margins only |
Entire breast |
Number of Treatments |
10 treatments in 1 or 2 weeks |
10 treatments in one week |
35-37 treatments over 6-7 weeks |
Convenience |
More convenient, for those with busy schedule or long commute to the clinic |
More convenient for those with busy work schedules, or long commutes |
Greater time commitment required |
Radiation to Adjacent Organs |
Less radiation to the lung, heart, ribs, and lymphatic system |
Less radiation to lung, heart, ribs, and lymphatics |
Acceptable radiation to lung, heart, ribs and lymphatics |
Invasive |
Required insertion of tiny metallic markers for tracking |
Yes, requires surgical placement of catheters |
No, external x-rays only |
Skin Care |
Minimal skin care |
Requires bandaging and care of catheter sites |
Daily application of creams |
Cure Rates |
Expected to be the same; under IRB-approved clinical study |
Promising results, 5 year follow-up |
Proven track record for > 20 years |
Appearance |
Expected to be the same or better. |
Favorable, minimal scarring |
Favorable in most instances |
Gina J. Mansy, M.D. and Huan B. Giap, M.D. – Radiation Oncologists