'When measurements mean action' decision models for portal image review to eliminate systematic set-up errors

Australasian Radiology

Volumn 48, Issue 2, 2004, Pages 272-279

  Wratten, Christopher R ^a   Denham, James W ^a   Kron, Tomas ^b,c   O'Brien, Peter ^a   Hamilton, Christopher S ^a  

^a NEWCASTLE MATER HOSPITAL   (Australia)

^b UNIVERSITY OF NEWCASTLE   (Australia)

^c LONDON REGIONAL CANCER PROGRAM   (Canada)

Author keywords

Decision models; Hotelling's statistic; Portal image review; Radiotherapy treatment verification; Set up errors, set up variation

Indexed keywords

ACCURACY; ADULT; AGED; CANCER STAGING; CLINICAL ARTICLE; COMPUTER ASSISTED RADIOTHERAPY; DECISION SUPPORT SYSTEM; ERROR; HUMAN; PRIORITY JOURNAL; PROSTATE CANCER; REVIEW; SENSITIVITY AND SPECIFICITY;

AGED; DECISION SUPPORT TECHNIQUES; HUMANS; MALE; MIDDLE AGED; PROSPECTIVE STUDIES; PROSTATIC NEOPLASMS; RADIOTHERAPY;

EID: 3843109096     PISSN: 00048461     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1440-1673.2004.01288.x     Document Type: Review

References (20)

1. Hanley J, Lumley M, Mageras G et al. Measurement of patient positioning errors in three-dimensional conformal radiotherapy of the prostate. Int J Radiat Oncol Biol Phys 1997; 37: 435-44.
2. Kortmann R, Hess C, Jany R et al. Reproducibility of field alignment in difficult patient positioning. Int J Radiat Oncol Biol Phys 1994; 29: 869-72.
3. Mitine C, Dutreix A, Van der Scheuren E. Black and white in accuracy assessment of megavoltage images: the medical decision is often grey. Radiother Oncol 1993; 28: 31-6.
4. Rabinowitz, I, Broomberg J, Goitein M, McCarthy K, Leong J. Accuracy of radiation field alignment in clinical practice. Int J Radiat Oncol Biol Phys 1985; 11: 1857-67.
5. Rosenthal S, Galvin J, Goldwein J, Smith A, Blitzer P. Improved methods for determination of variability in patient positioning for radiation therapy using simulation and serial portal film measurements. Int J Radiat Oncol Biol Phys 1993; 23: 621-5.
6. Perera T, Moseley J, Munro P. Subjectivity in interpretation of portal films. Int J Radiat Oncol Biol Phys 1999; 45: 529-34.
7. Shalev S, Gluhchev G. Decision rules for the correction of field set-up parameters. Med Phys 1994; 21: 952.
8. Bel A, van Herk M, Bartelink H, Lebesque J. A verification procedure to improve patient set-up accuracy using portal images. Radiother Oncol 1993; 29: 253-60.
9. de Boer HCJ, Heijmen BJM. A protocol for the reduction of systematic patient setup errors with minimal portal imaging workload. Int J Radiat Oncol Biol Phys 2001; 50: 1350-65.
10. Denham JW, Dally MJ, Wheat J et al. Objective decision-making following a portal film: the results of a pilot study. Int J Radiat Oncol Biol Phys 1993; 26: 869-76.
11. Gilhuijs KG, el-Gayed AA, van Herk M, Vijlbrief RE. An algorithm for automatic analysis of portal images: clinical evaluation for prostate treatments. Radiother Oncol 1993; 29: 261-8.
12. Pouliot J, Lirette A. Verification and correction of setup deviations in tangential breast irradiation using EPID: gain versus workload. Medicalphys 1996; 23: 1393-8.
13. van Herk M, Bel A, Gilhuijs K, Vijlbrief R. A comprehensive system for the analysis of portal images. Radiother Oncol 1993; 29: 221-9.
14. Ekberg L, Holmberg O, Wittgren L, Bjelkengren G, Landberg T. What margins should be added to the clinical target volume in radiotherapy treatment planning for lung cancer? Radiother Oncol 1998; 48: 71-7.
15. Gilhuijs K, van Herk M. Automatic on-line inspection of patient set-up in radiation therapy using digital portal images. Med Phys 1993; 20: 667-77.
16. Lam W, Herman M, Lam K, Lee D. On-line portal imaging: computer assisted error measurements. Radiology 1991; 179: 871-3.
17. Morrison D. Multivariate Statistical Methods, 2nd edn. McGraw-Hill, New York, 1976; 128-34.
18. See A, Kron T, Johansen J et al. Decision making models in the analysis of port films: clinical evaluation. Australas Radiol 2000; 44: 72-83.
19. Booth JT, Zavgorodni SF. Set-up error and organ motion uncertainty: a review. Australas Phys Eng Sci Medical 1999; 22: 29-47.
20. Kron T, Hamilton H, Hood C, Wratten C, Denham J. Computer assisted decision making after portal imaging. In: Schlegel W, Bortfeld T (eds). The Use of Computers in Radiation Therapy. Springer-Verlag, Heidelberg, 2000; 589-91.