1622-1623 / 3581
ESTRO IG and Adaptive
Course Parikh 25.10.2016
MR-IGRT APBI Approach
Patient characteristics:
Women with Stage 0-1 breast cancer,
status post lumpectomy, appropriate candidates for APBI,
who were not eligible for brachytherapy. Enrolled on
institutional registry. (N = 30 patients)
Treatment:
MR-IGRT APBI, 38.5 Gy/10 fx BID
Treatment planning:
CT and MRI simulation (Supine, arms up, AC, Lucite brackets)
PTV = CTV = Cavity + 1 cm
Cavity localization on volumetric MRI prior to each fraction
Continuous cine acquisition during delivery of each fraction
Patient time in room per fraction: mean 36 minutes
Courtesy of Maria Thomas, MD, PhD
MRG-RT: Moderate Experience - Breast