Medical Dosimetry
Volume 36, Issue 4 , Pages 337-343 , Winter 2011

The Effect of Registration Surrogate and Patient Factors on the Interobserver Variability of Electronic Portal Image Guidance During Prostate Radiotherapy

Presented at the 22nd Annual Scientific Meeting of the Canadian Association of Radiation Oncology, September 10–13, 2008, Montreal, Canada.

Received 12 January 2010 ,Accepted 14 July 2010.

References 

  1. Bucci MK, Bevan A, Roach M. Advances in radiation therapy: Conventional to 3D, to IMRT, to 4D, and beyond. CA. Cancer. J. Clin. 2005;55:117–134
  2. Wertz H, Lohr F, Dobler B, et al. [Dosimetric impact of image-guided translational isocenter correction for 3-D conformal radiotherapy of the prostate]. Strahlenther. Onkol. 2007;183:203–210
  3. Dawson LA, Jaffray DA. Advances in image-guided radiation therapy. J. Clin. Oncol. 2007;25:938–946
  4. Kitamura K, Shirato H, Shimizu S, et al. Registration accuracy and possible migration of internal fiducial gold marker implanted in prostate and liver treated with real-time tumor-tracking radiation therapy (RTRT). Radiother. Oncol. 2002;62:275–281
  5. Poggi MM, Gant DA, Sewchand W, et al. Marker seed migration in prostate localization. Int. J. Radiat. Oncol. Biol. Phys. 2003;56:1248–1251
  6. Shirato H, Harada T, Harabayashi T, et al. Feasibility of insertion/implantation of 2.0-mm-diameter gold internal fiducial markers for precise setup and real-time tumor tracking in radiotherapy. Int. J. Radiat. Oncol. Biol. Phys. 2003;56:240–247
  7. Kupelian PA, Willoughby TR, Meeks SL, et al. Intraprostatic fiducials for localization of the prostate gland: Monitoring intermarker distances during radiation therapy to test for marker stability. Int. J. Radiat. Oncol. Biol. Phys. 2005;62:1291–1296
  8. Nichol AM, Brock KK, Lockwood GA, et al. A magnetic resonance imaging study of prostate deformation relative to implanted gold fiducial markers. Int. J. Radiat. Oncol. Biol. Phys. 2006;67:48–56
  9. Chung PW, Haycocks T, Brown T, et al. On-line aSi portal imaging of implanted fiducial markers for the reduction of interfraction error during conformal radiotherapy of prostate carcinoma. Int. J. Radiat. Oncol. Biol. Phys. 2004;60:329–334
  10. Litzenberg DW, Balter JM, Lam KL, et al. Retrospective analysis of prostate cancer patients with implanted gold markers using off-line and adaptive therapy protocols. Int. J. Radiat. Oncol. Biol. Phys. 2005;63:123–133
  11. Schallenkamp JM, Herman MG, Kruse JJ, et al. Prostate position relative to pelvic bony anatomy based on intraprostatic gold markers and electronic portal imaging. Int. J. Radiat. Oncol. Biol. Phys. 2005;63:800–811
  12. Vetterli D, Thalmann S, Behrensmeier F, et al. Daily organ tracking in intensity-modulated radiotherapy of prostate cancer using an electronic portal imaging device with a dose saving acquisition mode. Radiother. Oncol. 2006;79:101–108
  13. de Boer HC, van Os MJ, Jansen PP, et al. Application of the No Action Level (NAL) protocol to correct for prostate motion based on electronic portal imaging of implanted markers. Int. J. Radiat. Oncol. Biol. Phys. 2005;61:969–983
  14. Moseley DJ, White EA, Wiltshire KL, et al. Comparison of localization performance with implanted fiducial markers and cone-beam computed tomography for on-line image-guided radiotherapy of the prostate. Int. J. Radiat. Oncol. Biol. Phys. 2007;67:942–953
  15. Fuller CD, Thomas CR, Schwartz S, et al. Method comparison of ultrasound and kilovoltage x-ray fiducial marker imaging for prostate radiotherapy targeting. Phys. Med. Biol. 2006;51:4981–4993
  16. Langen KM, Zhang Y, Andrews RD, et al. Initial experience with megavoltage (MV) CT guidance for daily prostate alignments. Int. J. Radiat. Oncol. Biol. Phys. 2005;62:1517–1524
  17. Bissett R, Boyko S, Leszczynski K, et al. Radiotherapy portal verification: An observer study. Br. J. Radiol. 1995;68:165–174
  18. Thomason C. User introduced uncertainties in the measurement of field misalignment by a computer aided technique. Med. Dosim. 1998;23:278–283
  19. Perera T, Moseley J, Munro P. Subjectivity in interpretation of portal films. Int. J. Radiat. Oncol. Biol. Phys. 1999;45:529–534
  20. Matsopoulos GK, Asvestas PA, Delibasis KK, et al. Registration of electronic portal images for patient set-up verification. Phys. Med. Biol. 2004;49:3279–3289
  21. Lewis DG, Ryan KR, Smith CW. Observer variability when evaluating patient movement from electronic portal images of pelvic radiotherapy fields. Radiother. Oncol. 2005;74:275–281
  22. Berthelet E, Truong PT, Zavgorodni S, et al. Consistency in electronic portal imaging registration in prostate cancer radiation treatment verification. Radiat. Oncol. 2006;1:37
  23. Ullman KL, Ning H, Susil RC, et al. Intra- and inter-radiation therapist reproducibility of daily isocenter verification using prostatic fiducial markers. Radiat. Oncol. 2006;1:2
  24. Budiharto T, Slagmolen P, Hermans J, et al. A semi-automated 2D/3D marker-based registration algorithm modelling prostate shrinkage during radiotherapy for prostate cancer. Radiother. Oncol. 2009;90:331–336
  25. Nichol AM, Rosewall T, Catton CN, et al. Intra-prostatic fiducial markers and concurrent androgen deprivation. Clin. Oncol. (R. Coll. Radiol.). 2005;17:465–468
  26. Huda W, Scalzetti EM, Levin G, et al. Technique factors and image quality as functions of patient weight at abdominal CT. Radiology. 2000;217:430–435
  27. Wu J, Haycocks T, Alasti H, et al. Positioning errors and prostate motion during conformal prostate radiotherapy using on-line isocentre set-up verification and implanted prostate markers. Radiother. Oncol. 2001;61:127–133
  28. Antolak JA, Rosen II, Childress CH, et al. Prostate target volume variations during a course of radiotherapy. Int. J. Radiat. Oncol. Biol. Phys. 1998;42:661–672
  29. Shrout PE, Fleiss JL. Intraclass correlations: Uses in assessing rater reliability. Psychol. Bull. 1979;86:420–428
  30. Bland JM, Altman DG. Measuring agreement in method comparison studies. Stat. Methods. Med. Res. 1999;8:135–160
  31. Kudchadker RJ, Lee AK, Yu ZH, et al. Effectiveness of using fewer implanted fiducial markers for prostate target alignment. Int. J. Radiat. Oncol. Biol. Phys. 2009;74:1283–1289
  32. Foulkes KM, Ostwald PM, Kron T. A clinical comparison of different film systems for radiotherapy portal imaging. Med. Dosim. 2001;26:281–284
  33. French J, Darud M, Mitchell F, et al. The use of clinical audit to monitor the transfer of responsibility for verification of electronic portal images. Can. J. Med. Radiat. Technol. (summer). 2006;18–22
  34. Holden L, Loblaw A. Prospective evaluation of the concordance between radiation therapists and radiation oncologists on daily verification films. Can. J. Med. Radiat. Technol. 2005;36:20–24
  35. Suter B, Shoulders B, Maclean M, et al. Machine verification radiographs: An opportunity for role extension?. Radiography. 2000;6:245–251
  36. Nederveen AJ, Dehnad H, van der Heide UA, et al. Comparison of megavoltage position verification for prostate irradiation based on bony anatomy and implanted fiducials. Radiother. Oncol. 2003;68:81–88
  37. Herman MG, Pisansky TM, Kruse JJ, et al. Technical aspects of daily online positioning of the prostate for three-dimensional conformal radiotherapy using an electronic portal imaging device. Int. J. Radiat. Oncol. Biol. Phys. 2003;57:1131–1140

PII: S0958-3947(10)00117-2

doi: 10.1016/j.meddos.2010.07.005

Medical Dosimetry
Volume 36, Issue 4 , Pages 337-343 , Winter 2011

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