2017_IGRT course book
MRG-RT: Breast
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
ESTRO IG and Adaptive Course Parikh 02.11.2017
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