2017_SBRT_Course Book
Stereotactic Body Radiation Therapy: Dosimetric impact of prostate motion
3mm SM 4 Fx
% Px with 98% coverage
• Longer treatment
w/o tracking
61 %
fractions with ↑ motion
15 sec imaging interval
91%
• Less „smearing“ effect
• Smaller margins
60 sec imaging interval
96%
Van de Water IJROBP 2014
➢ Increased relevance of prostate motion in SBRT ➢ Increased imaging frequency does not necessarily improve accuracy
Dokumentenname Datum Seite 33
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