Reference : Adjuvant stereotactic permanent seed breast implant: A boost series in view of partial b...
Scientific journals : Article
Human health sciences : Radiology, nuclear medicine & imaging
Human health sciences : Oncology
http://hdl.handle.net/2268/3704
Adjuvant stereotactic permanent seed breast implant: A boost series in view of partial breast irradiation
English
Jansen, Nicolas mailto [Centre Hospitalier Universitaire de Liège - CHU > > Radiothérapie >]
Deneufbourg, Jean-Marie mailto [Université de Liège - ULg > Services généraux (Faculté de médecine) > Relations académiques et scientifiques (Médecine) >]
Nickers, Philippe mailto [Université de Liège - ULg > > Département des sciences cliniques >]
15-Mar-2007
International Journal of Radiation, Oncology, Biology, Physics
Elsevier Science Inc
67
4
1052-1058
Yes (verified by ORBi)
International
0360-3016
New York
[en] permanent seed implant ; breast boost ; partial breast irradiation ; stereotactic brachytherapy
[en] Purpose: The aim of this study was to use permanent seed implants in the breast and describe our experience with 15 cases, using iodine seed implants as a tumor bed boost. Methods and Materials: Breasts were fixed with a thermoplastic sheet, a template bridge applied, the thorax scanned and the images rotated to be perpendicular to the implant axis. Skin, heart, and lung were delineated. A preplan was made, prescribing 50 Gy to the clinical target volume (CTV), consisting in this boost series of nearly a quadrant. Iodine (125) seeds were stereotactically implanted through the template, and results were checked with a postplan computed tomographic (CT) scan. Results: The breast was immobilized reproducibly. Simulation, scanning, and implant were performed without difficulties. Preplan CTV D90% (the dose delivered to 90% of the CTV) was 66 Gy, and postoperative fluoroscopic or CT scan checks were satisfactory. Pre- and postplan dose-volume histogram showed good organ sparing: mean postplan skin, heart, and lung V30 Gy (the organ volume receiving a dose of 30 Gy) of 2 +/- 2.2 mL, 0.24 +/- 0.34 mL, and 3.5 +/- 5 mL, respectively. No short-term toxicity above Grade I was noted, except for transient Grade 3 neuropathy in 1 patient. Conclusions: Seeds remained in the right place, as assessed by fluoroscopy, absence of significant pre- to postplan dose-volume histogram change for critical organs, and total irradiated breast volume. The method could be proposed as a boost when high dosimetric selectivity is required (young patients after cardiotoxic chemotherapy for left-sided cancer). This boost series was a preliminary step before testing partial breast irradiation by permanent seed implant in a prospective trial. (c) 2007 Elsevier Inc.
Researchers ; Professionals
http://hdl.handle.net/2268/3704
10.1016/j.ijrobp.2006.10.031

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