Effects of organ motion on IMRT treatments with segments of few monitor units

Medical Physics

Volumn 34, Issue 3, 2007, Pages 923-934

  Seco, J ^a   Sharp, G C ^a   Turcotte, J ^a   Gierga, D ^a   Bortfeld, T ^a   Paganetti, H ^a  

^a HARVARD MEDICAL SCHOOL   (United States)

Author keywords

Hypo fractionation; IGRT; Motion average dose; Organ motion; Small MU segments

Indexed keywords

MATLAB; TUMORS;

CRANIAL CAUDAL DIRECTION; IGRT; INTRAFRACTION VARIATIONS; MOTION AVERAGE-DOSE; ORGAN MOTION; ORTHOGONAL DIRECTIONS; RADIOTHERAPY TREATMENT; SMALL MU SEGMENTS;

ERRORS;

ARTICLE; BIOLOGICAL ACTIVITY; BREATHING MECHANICS; CONTROLLED STUDY; DOSE CALCULATION; DOSIMETRY; EXPERIMENTAL STUDY; HUMAN; INTENSITY MODULATED RADIATION THERAPY; IONIZATION CHAMBER; MEASUREMENT; MOTION; MOTION ANALYSIS SYSTEM; PRIORITY JOURNAL; RADIATION BEAM; RADIATION DOSE; SIMULATION; SUPINE POSITION;

EID: 33847629172     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.2436972     Document Type: Article

References (13)

1. C. Yu, D. A. Jaffray, and J. W. Wong, " The effects of intra-fraction organ motion on the delivery of dynamic intensity modulation., " Phys. Med. Biol. 43, 91-104 (1998).
2. T. Bortfeld, K. Jokivarsi, M. Goitein, J. H. Kung, and S. Jiang " Effect of intra-fractioon motion on IMRT dose delivery: statistical analysis and simulation., " Phys. Med. Biol. 47, 2203-2220 (2002).
3. S. Jiang, C. Pope, K. M. Al Jarrah, J. H. Kung, T. Bortfeld, and T. Y. Chen, " An experimental investigation on intra-fractional organ motion effects in lung IMRT treatments., " Phys. Med. Biol. 48, 1773-1784 (2003).
4. C. S. Chui, E. Yorke, and L. Hong " The effects of intra-fraction organ motion on the delivery of intensity-modulated field with a multileaf collimator., " Med. Phys. 30 (7), 1736-1746 (2003).
5. M. Schaefer, M. W. Münter, C. Thilmann, F. Sterzing, P. Haering, S. E. Combs, and J. Debus, " Influence of intra-fractional breathing movement in step-and-shoot IMRT., " Phys. Med. Biol. 49, N175-N179 (2004).
6. P. M. Evans, C. Coolens, and E. Nioutsikou " Effects of averaging over motion and the resulting systematic errors in radiation therapy., " Phys. Med. Biol. 51, N1-N7 (2006).
7. J. C. Stroom, H. C. J. de Boer, H. Huizenga, and A. G. Visser, " Inclusion of geometrical uncertainties in radiotherapy treatment planning by means of coverage probability., " Int. J. Radiat. Oncol., Biol., Phys. 43, 905-919 (1999).
8. M. van Herk, P. Remeijer, C. Rasch, and J. V. Lebesque " The probability of correct target dosage: dose-population histograms for deriving treatment margins in radiotherapy., " Int. J. Radiat. Oncol., Biol., Phys. 47, 1121-1135 (2000).
9. A. E. Luxan, E. W. Larsen, J. M. Balter, and R. K. TenHaken, " A method for incorporating organ motion due to breathing into 3D dose calculations., " Med. Phys. 26, 715-720 (1999).
10. C. Ozhasoglu and M. J. Murphy " Issues in respiratory motion compensation during external-beam radiotherapy., " Int. J. Radiat. Oncol., Biol., Phys. 52, 1389-1399 (2002).
11. Y. Seppenwoolde, H. Shirato, K. Kitamura, S. Shimizu, M. van Herk, J. V. Lebesque, and K. Miyasaka, " Precise and real-time measurement of 3D tumor motion in lung due to breathing and heartbeat, measured during radiotherapy., " Int. J. Radiat. Oncol., Biol., Phys. 53, 822-834 (2002).
12. P. Zygmanski and J. H. Kung " Method of identifying dynamic multileaf collimator irradiation that is highly sensitive to a systematic MLC calibration error., " Med. Phys. 28, 2220-2226 (2001).
13. T. Bortfeld and H. Paganetti, " The biologic relevance of daily dose variations in adaptive treatment planning., " Int. J. Radiat. Oncol., Biol., Phys. 65, 899-906 (2006).