VCU Medical Physics -- J Siebers

Publications

1990's

2000-2003

2003-2006

2007-present

Book Chapters

Symposia Proceedings

Abstracts

 

1990's

1.      Coutrakon G, Bauman M, Lesyna D, Miller D, Nusbaum J, Slater J, Johanning J, Miranda J, DeLuca PM, Jr., Siebers J, et al., A prototype beam delivery system for the proton medical accelerator at Loma Linda. Med Phys 1991;18:1093-1099.

2.      Coutrakon G, Miller D, Kross BJ, Anderson DF, DeLuca PM, Jr., Siebers JV. A beam intensity monitor for the Loma Linda cancer therapy proton accelerator. Med Phys 1991;18:817-820.

3.      Siebers JV, Deluca PM, Pearson DW, Coutrakon G. Measurement Of Neutron Dose Equivalent And Penetration In Concrete For 230 MeV Proton-Bombardment Of Al Targets, Fe Targets, And Pb Targets. Radiation Protection Dosimetry 1992;44:247-251.

4.      Siebers JV, Deluca PM, Jr., Pearson DW, Coutrakon G. Shielding measurements for 230 MeV protons. Nuclear Science & Engineering 1993;115:13-23.

5.      Robertson JB, Glisson WC, Archambeau JO, Coutrakon G, Miller DW, Moyers MF, Siebers JV, Slater JM, Dicello JF. The relative biologlical effectiveness of attenuated protons. In: Swenberg CE, Horneck G, Stassinopoulos ED, editors. Biological Effects and Physics of Solar and Galactic Cosmic Radiation (NATO ASI Series). New York: Plenum; 1993.

6.      Robertson JB, Eaddy JM, Archambeau JO, Coutrakon GB, Miller DW, Moyers MF, Siebers JV, Slater JM, Dicello JF. Relative biological effectiveness and microdosimetry of a mixed energy field of protons up to 200 MeV. Adv Space Res 1994;14:271-275.

7.      Siebers JV, Vatnitsky SM, Miller DW, Moyers MF. Deduction of the air w value in a therapeutic proton beam. Phys Med Biol 1995;40:1339-1356.

8.      Vatnitsky SM, Siebers JV, Miller DW. Calorimetric determination of the absorbed dose-to-water beam quality correction factor kQ for high-energy photon beams. Med Phys 1995;22:1749-1752.

9.      Vatnitsky S, Miller D, Siebers J, Moyers M. Application of solid state detectors for dosimetry of therapeutic proton beams. Med Phys 1995;22:469-473.

10.  Siebers JV, DeLuca PM, Pearson DW, Prael RE. Shielding calculations for 230-MeV protons using the LAHET code system. Nuclear Science And Engineering 1996;122:258-266.

11.  Vatnitsky S, Siebers J, Miller D, Moyers M, Schaefer M, Jones D, Vynckier S, Hayakawa Y, Delacroix S, Isacsson U, Medin J, Kacperek A, Lomax A, Coray A, Kluge H, Heese J, Verhey L, Daftari I, Gall K, Lam G, Beck T, Hartmann G. Proton dosimetry intercomparison. Radiother Oncol 1996;41:169-177.

12.  Vatnitsky SM, Siebers JV, Miller DW. kQ factors for ionization chamber dosimetry in clinical proton beams. Med Phys 1996;23:25-31.

13.  Siebers JV, Traynor M. Modeling of proton treatment nozzles with the LAHET Monte Carlo code. Journal of Brachytherapy International 1997;13:95-99.

14.  Zankowski C, Vatnitsky S, Siebers J, Podgorsak EB. Proton beam output measurement with an extrapolation chamber. Med Dosim 1998;23:288-291.

15.  Siebers JV, Mukhopadhyay D. Modelling production of beta+ emitting isotopes by proton therapy beams using the LAHET Code System. Radiation Physics And Chemistry 1998;51:601-602.

16.  Libby B, Siebers J, Mohan R. Validation of Monte Carlo generated phase-space descriptions of medical linear accelerators. Med Phys 1999;26:1476-1483.

17.  Chadwick MB, Jones DT, Barschall HH, Caswell RS, DeLuca PM, Jr., Meulders JP, Wambersie A, Schuhmacher H, Young PG, Hale GM, Siebers JV. Nuclear data for radiotherapy: presentation of a new ICRU report and IAEA initiatives. Strahlenther Onkol 1999;175 Suppl 2:26-29.

18.  Siebers JV, Keall PJ, Libby B, Mohan R. Comparison of EGS4 and MCNP4b Monte Carlo codes for generation of photon phase space distributions for a Varian 2100C. Phys Med Biol 1999;44:3009-3026.

 

2000-2003

19.  Arnfield MR, Siebers JV, Kim JO, Wu Q, Keall PJ, Mohan R. A method for determining multileaf collimator transmission and scatter for dynamic intensity modulated radiotherapy. Med Phys 2000;27:2231-2241.

20.  Mohan R, Arnfield M, Tong S, Wu Q, Siebers J. The impact of fluctuations in intensity patterns on the number of monitor units and the quality and accuracy of intensity modulated radiotherapy. Med Phys 2000;27:1226-1237.

21.  Arnfield MR, Siantar CH, Siebers J, Garmon P, Cox L, Mohan R. The impact of electron transport on the accuracy of computed dose. Med Phys 2000;27:1266-1274.

22.  Keall PJ, Siebers JV, Jeraj R, Mohan R. The effect of dose calculation uncertainty on the evaluation of radiotherapy plans. Med Phys 2000;27:478-484.

23.  Siebers JV, Keall PJ, Nahum AE, Mohan R. Converting absorbed dose to medium to absorbed dose to water for Monte Carlo based photon beam dose calculations. Phys Med Biol 2000;45:983-995.

24.  Kim JO, Siebers JV, Keall PJ, Arnfield MR, Mohan R. A Monte Carlo study of radiation transport through multileaf collimators. Med Phys 2001;28:2497-2506.

25.  Keall PJ, Siebers JV, Arnfield M, Kim JO, Mohan R. Monte Carlo dose calculations for dynamic IMRT treatments. Phys Med Biol 2001;46:929-941.

26.  Siebers JV, Tong S, Lauterbach M, Wu Q, Mohan R. Acceleration of dose calculations for intensity-modulated radiotherapy. Med Phys 2001;28:903-910.

27.  Siebers JV, Lauterbach M, Tong S, Wu Q, Mohan R. Reducing dose calculation time for accurate iterative IMRT planning. Med Phys 2002;29:231-237.

28.  Siebers JV, Keall PJ, Kim JO, Mohan R. A method for photon beam Monte Carlo multileaf collimator particle transport. Phys Med Biol 2002;47:3225-3249.

29.  Siebers JV, Lauterbach M, Keall PJ, Mohan R. Incorporating multi-leaf collimator leaf sequencing into iterative IMRT optimization. Med Phys 2002;29:952-959.

30.  Beckham WA, Keall PJ, Siebers JV. A fluence-convolution method to calculate radiation therapy dose distributions that incorporate random set-up error. Phys Med Biol 2002;47:3465-3473.

31.  Jeraj R, Keall PJ, Siebers JV. The effect of dose calculation accuracy on inverse treatment planning. Phys Med Biol 2002;47:391-407.

32.  Keall P, Siebers J. Dosimetric advantage of using 6 MV over 15 MV photons in conformal therapy of lung cancer: Monte Carlo studies in patient geometries.PG - 260. J Appl Clin Med Phys 2002;3.

33.  Keall PJ, Siebers JV, Jeraj R, Mohan R. Radiotherapy dose calculations in the presence of hip prostheses. Med Dosim 2003;28:107-112.

34.  George R, Keall PJ, Kini VR, Vedam SS, Siebers JV, Wu Q, Lauterbach MH, Arthur DW, Mohan R. Quantifying the effect of intrafraction motion during breast IMRT planning and dose delivery. Med Phys 2003;30:552-562.

35.  Keall PJ, Chock LB, Jeraj R, Siebers JV, Mohan R. Image reconstruction and the effect on dose calculation for hip prostheses. Med Dosim 2003;28:113-117.

36.  Keall PJ, Siebers JV, Libby B, Mohan R. Determining the incident electron fluence for Monte Carlo-based photon treatment planning using a standard measured data set. Med Phys 2003;30:574-582

 

2003-2006

37.  Keall PJ, Todor AD, Vedam SS, Bartee CL, Siebers JV, Kini VR, Mohan R. On the use of EPID-based implanted marker tracking for 4D radiotherapy. Med Phys 2004;31:3492-3499.

38.  Kang SK, Cho BC, Park SH, Park HC, Bae H, Kim JO, Keall PJ, Siebers JV. Monte Carlo-based treatment planning for a spoiler system with experimental validation using plane-parallel ionization chambers. Phys Med Biol 2004;49:5145-5155.

39.  Fix MK, Keall PJ, Dawson K, Siebers JV. Monte Carlo source model for photon beam radiotherapy: photon source characteristics. Med Phys 2004;31:3106-3121.

40.  Siebers JV, Kim JO, Ko L, Keall PJ, Mohan R. Monte Carlo computation of dosimetric amorphous silicon electronic portal images. Med Phys 2004;31:2135-2146.

41.  Keall PJ, Siebers JV, Joshi S, Mohan R. Monte Carlo as a four-dimensional radiotherapy treatment-planning tool to account for respiratory motion. Phys Med Biol 2004;49:3639-3648.

42.  Ko L, Kim JO, Siebers JV. Investigation of the optimal backscatter for an aSi electronic portal imaging device. Phys Med Biol 2004;49:1723-1738.

43.  Moore JA, Siebers JV. Verification of the optimal backscatter for an aSi electronic portal imaging device. Phys Med Biol 2005;50:2341-2350.

44.  Fix MK, Keall PJ, Siebers JV. Photon-beam subsource sensitivity to the initial electron-beam parameters. Med Phys 2005;32:1164-1175.

45.  Keall PJ, Joshi S, Vedam SS, Siebers JV, Kini VR, Mohan R. Four-dimensional radiotherapy planning for DMLC-based respiratory motion tracking. Med Phys 2005;32:942-951.

46.  Siebers JV, Keall PJ, Wu Q, Williamson JF, Schmidt-Ullrich RK. Effect of patient setup errors on simultaneously integrated boost head and neck IMRT treatment plans. Int J Radiat Oncol Biol Phys 2005;63:422-433.

47.  Wijesooriya K, Bartee C, Siebers JV, Vedam SS, Keall PJ. Determination of maximum leaf velocity and acceleration of a dynamic multileaf collimator: implications for 4D radiotherapy. Med Phys 2005;32:932-941.

48.  El Naqa I, Kawrakow I, Fippel M, Siebers JV, Lindsay PE, Wickerhauser MV, Vicic M, Zakarian K, Kauffmann N, Deasy JO. A comparison of Monte Carlo dose calculation denoising techniques. Phys Med Biol 2005;50:909-922.

49.  Li W, Siebers JV, Moore JA. Using fluence separation to account for energy spectra dependence in computing dosimetric a-Si EPID images for IMRT fields. Medical Physics 2006;33:4468.

50.  Sakthi N, Keall P, Mihaylov I, Wu Q, Wu Y, Williamson JF, Schmidt-Ullrich R, Siebers JV. Monte Carlo-based dosimetry of head-and-neck patients treated with SIB-IMRT. Int J Radiat Oncol Biol Phys 2006;64:968-977.

51.  George R, Ramakrishnan V, Siebers JV, Chung TD, Keall PJ. Investigation of patient, tumour and treatment variables affecting residual motion for respiratory-gated radiotherapy. Phys Med Biol 2006;51:5305-5319.

52.  Dogan N, Siebers JV, Keall PJ, Lerma F, Wu Y, Fatyga M, Williamson JF, Schmidt-Ullrich RK. Improving IMRT dose accuracy via deliverable Monte Carlo optimization for the treatment of head and neck cancer patients. Med Phys 2006;33:4033-4043.

53.  Lauve AD, Siebers JV, Crimaldi AJ, Hagan MP, Kealla PJ. A dynamic compensation strategy to correct patient-positioning errors in conformal prostate radiotherapy. Med Phys 2006;33:1879-1887.

54.  Jang SY, Liu HH, Wang X, Vassiliev ON, Siebers JV, Dong L, Mohan R. Dosimetric verification for intensity-modulated radiotherapy of thoracic cancers using experimental and Monte Carlo approaches. Int J Radiat Oncol Biol Phys 2006;66:939-948.

55.  Jang SY, Vassiliev ON, Liu HH, Mohan R, Siebers JV. Development and commissioning of a multileaf collimator model in monte carlo dose calculations for intensity-modulated radiation therapy. Med Phys 2006;33:770-781.

56.  Keall P, Vedam S, George R, Bartee C, Siebers J, Lerma F, Weiss E, Chung T. The clinical implementation of respiratory-gated intensity-modulated radiotherapy. Med Dosim 2006;31:152-162.

57.  Dogan N, Siebers JV, Keall PJ. Clinical comparison of head and neck and prostate IMRT plans using absorbed dose to medium and absorbed dose to water. Phys Med Biol 2006;51:4967-4980.

58.  Mihaylov IB, Lerma FA, Wu Y, Siebers JV. Analytic IMRT dose calculations utilizing Monte Carlo to predict MLC fluence modulation. Med Phys 2006;33:828-839.

 

2007-present

59.  Jang SY, Liu HH, Mohan R, Siebers JV. Variations in energy spectra and water-to-material stopping-power ratios in three-dimensional conformal and intensity-modulated photon fields. Med Phys 2007;34:1388-1397.

60.  Keall PJ, Lauve, AD, Hagan, MP, Siebers, JV. A strategy to correct for intrafraction target translation in conformal prostate radiotherapy: Simulation results. Med Phys 2007;34:1994 - 1951.

61.  Mihaylov IB, Lerma FA, Fatyga M, Siebers JV. Quantification of the impact of MLC modeling and tissue heterogeneities on dynamic IMRT dose calculations. Med Phys 2007;34:1244-1252.

62.  Siebers JV, Kawrakow I. Performance of a hybrid MC dose algorithm for IMRT optimization dose evaluation. Med Phys 2007;34:2853-2863.

63.  Gordon JJ, Crimaldi AJ, Hagan M, Moore J, Siebers JV. Evaluation of clinical margins via simulation of patient setup errors in prostate IMRT treatment plans. Med Phys 2007;34:202-214.

64.  Gardner J, Siebers J, Kawrakow I. Dose calculation validation of VMC++ for photon beams. Med Phys 2007;34:1809-1818.

65.  Gordon JJ, Siebers JV. Convolution method and CTV-to-PTV margins for finite fractions and small systematic errors. Phys Med Biol 2007;52:1967-1990.

66.  Weiss E, Siebers JV, Keall PJ. An analysis of 6-MV versus 18-MV photon energy plans for intensity-modulated radiation therapy (IMRT) of lung cancer. Radiother Oncol 2007;82:55-62.

67.  H. Zhong, Siebers, J. V., Peters, T., FEM based evaluation of deformable image registration for radiation therapy, Phys Med Biol 2007; 52: 4721-4738.

68.  Hirschi LA, Siebers JV, Fix MK. Source Model Tuning for a 6 MV Photon Beam used in Radiotherapy. Journal of Physics: Conference Series 2007;73:012008.

69.  Gardner JK, Siebers JV, Kawrakow I. Comparison of two methods to compute the absorbed dose to water for photon beams. Phys Med Biol 2007;52:N439-447.

70.  Xing L, Siebers J, Keall P. Computational challenges for image-guided radiation therapy: framework and current research. Semin Radiat Oncol 2007;17:245-257.

71.  Chetty IJ, Curran B, Cygler JE, DeMarco JJ, Ezzell G, Faddegon BA, Kawrakow I, Keall PJ, Liu H, Ma CM, Rogers DW, Seuntjens J, Sheikh-Bagheri D, Siebers JV. Report of the AAPM Task Group No. 105: issues associated with clinical implementation of Monte Carlo-based photon and electron external beam treatment planning. Med Phys 2007;34:4818-4853.

72.  Zhong H, Weiss E, Siebers JV Assessment of dose reconstruction errors in image-guided radiation therapy. Phys Med Biol 2008; 53:719 - 736.

73.  Gordon J, Siebers JV. Evaluation of dosimetric margins in prostate IMRT treatment plans. Med Phys 2008, 35:2, 569-575.

 

Book Chapters

1.      Siebers, J.V. and Ma, C.-M., Monte Carlo applications in IMRT planning and quality assurance, in Proceedings of the 2006 AAPM Summer School (Medical Physics Publishing Corp)

2.      Siebers, J.V., 2005 IMRT Dose Calculations, in Image-Guided IMRT ed T. Bortfeld, R. Schmidt-Ullrich, W. de Neve (Springer-Verlag)

3.      Siebers, J. V., P. J. Keall, and I. Kawrakow 2005, Monte Carlo dose calculations, in Supplement to the Modern Technology of Radiation Oncology, ed J Van Dyk (Medical Physics Publishing Corp)

4.      Siebers, J. V. and R. Mohan 2003, Monte Carlo and IMRT, in Proceedings of the 2003 AAPM Summer School, ed R. Mackie and J. Palta (Medical Physics Publishing Corp)

5.      Siebers J.V., Shielding and Radioprotection, in Ion Beams in Tumor Therapy, ed Linz, U. (Weinheim, Germany: Chapman and Hall), p 191-200, 1995.

6.      Scharf W 1994 Biomedical particle accelerators, ed of English Translation: Siebers, J.V. (New York: American Institute of Physics)

 

Symposia Proceedings

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Abstracts

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