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multicatether brachytherapy: five steps
1.
Detailed knowledge on:
•
Preoperative imaging (mammography and/or MRI and/or
ultrasound);
•
Surgical procedure: number of clips/ how placed ?
•
Free margins in 6 directions
2.
Tumor localization before BCS, translation into CT planning scan
3.
Calculation safety margins for the CTV in all 6 directions.
4.
Definition of the CTV and PTV
5.
Delineation of the CTV and PTV
Strnad et al, 2015