TomoTherapy for breast cancer – pro
Breast conservation surgery followed by whole-breast radiation therapy (WBRT) is a widely accepted treatment approach for patients presenting with early-stage breast cancer. Recent technical advances have resulted in a transition away from conventional tangential approaches
and towards more complex methodologies, such as inverse planned intensity modulated radiation therapy (IP-IMRT) and helical techniques. These advances have sought to
enhance normal tissue sparing and improve target homogeneity, as well as provide a platform for a simultaneous integrated boost to the tumour bed. TomoTherapy (Accuray, Sunnyvale, CA) has recently introduced topotherapy, a static form of tomotherapy, to increase the versatility of its helical system.
While the dose that gets tot eh surrounding organs is decresed with this method, there is no efficacy assessments as of yet, and it remains an E?I approach.
Matthew Squires et al, Static beam tomotherapy as an optimization method in
whole-breast radiation therapy (WBRT). J Med Radiat Sci 64 (2017) 281–289
Mi Joo Chung et al, A Dosimetric Comparative Analysis of TomoDirect and Three-Dimensional Conformal Radiotherapy in Early Breast Cancer. J Breast Cancer. 2015 Mar; 18(1): 57–62.