SBRT 2016

Stereotactic Body Radiation Therapy: Dosimetric impact of prostate motion

3mm SM 4 Fx

% Px with 98% coverage

• Longer treatment fractions with ↑ motion • Less „smearing“ effect • Smaller margins

61 %

w/o tracking

15 sec imaging interval 60 sec imaging interval

91%

96%

Van de Water IJROBP 2014

 Increased relevance of prostate motion in SBRT  Increased imaging frequency does not necessarily improve accuracy

Dokumentenname Datum Seite 34