942 / 1674
3D CRT for APBI
Baglan et al, IJROBP 2003
First developed at William Beaumont Institute,
Baglan et al 2003
ADVANTAGES:
-non-invasive
-improved dose homogeneity compared to other APBI techniques
-lower risk of fat necrosis compared to invasive APBI techniques
-more wide-spread use possible
Technique: Supine, standard treatment position, CT scan, CTV was lumpectomy
cavity + 15mm, PTV=CTV +10mm inside breast CTV
First 5 pts 34 Gy / 10 fr / 5 days, thereafter 38.5 Gy / 10 fr / 5 days
IMPORTANT: use clips in lumpectomy cavity and written guidelines for contouring