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Publications

Multileaf collimator publications | Audiovisual publications | Ventilation imaging publications

All Publications

  1. “Electromagnetic detection and real-time DMLC adaptation to target rotation during radiotherapy” Wu J., Ruan D., Cho B., Sawant A., Petersen J., Newell L.J., Cattell H., Keall P.J., 2012 Mar 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2011.06.1958 PDF
  2. “Megavoltage image-based dynamic multileaf collimator tracking of a NiTi stent in porcine lungs on a linear accelerator” Poulsen P.R., Carl J., Nielsen J., Nielsen M.S., Thomsen J.B., Jensen H.K., Kjærgaard B., Zepernick P.R., Worm E., Fledelius W., Cho B., Sawant A., Ruan D., Keall P.J., 2012 Feb 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2011.03.023 PDF
  3. “Tracking latency in image-based dynamic MLC tracking with direct image access” Fledelius W., Keall P.J., Cho B., Yang X., Morf D., Scheib S., Poulsen P.R., 2011 Aug, Acta Oncol, DOI:10.3109/0284186X.2011.581693 PDF
  4. “Geometric accuracy of dynamic MLC tracking with an implantable wired electromagnetic transponder” Ravkilde T., Keall P.J., Højbjerre K., Fledelius W., Worm E., Poulsen P.R., 2011 Aug, Acta Oncol, DOI:10.3109/0284186X.2011.590524 PDF
  5. “Modeling the truebeam linac using a CAD to Geant4 geometry implementation: dose and IAEA-compliant phase space calculations” Constantin M., Perl J., Losasso T., Salop A., Whittum D., Narula A., Svatos M., Keall P.J., 2011 Jul, Med Phys, DOI:10.1118/1.3598439 PDF
  6. “Experimental investigation of a moving averaging algorithm for motion perpendicular to the leaf travel direction in dynamic MLC target tracking” Yoon J.W., Sawant A., Suh Y., Cho B.C., Suh T.S., Keall P., 2011 Jul, Med Phys, DOI:10.1118/1.3590384 PDF
  7. “A study of the effect of in-line and perpendicular magnetic fields on beam characteristics of electron guns in medical linear accelerators” Constantin D.E., Fahrig R., Keall P.J., 2011 Jul, Med Phys, DOI:10.1118/1.3600695 PDF
  8. “Investigation of four-dimensional computed tomography-based pulmonary ventilation imaging in patients with emphysematous lung regions” Yamamoto T., Kabus S., Klinder T., Lorenz C., Von B.e.r.g., Blaffert T., Loo B.W., Keall P.J., 2011 Apr 7, Phys Med Biol, DOI:10.1088/0031-9155/56/7/023 PDF
  9. “A method for robust segmentation of arbitrarily shaped radiopaque structures in cone-beam CT projections” Poulsen P.R., Fledelius W., Keall P.J., Weiss E., Lu J., Brackbill E., Hugo G.D., 2011 Apr, Med Phys, DOI:10.1118/1.3555295͔ PDF
  10. “Hypofractionation results in reduced tumor cell kill compared to conventional fractionation for tumors with regions of hypoxia” Carlson D.J., Keall P.J., Loo B.W., Chen Z.J., Brown J.M., 2011 Mar 15, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2010.10.007 PDF
  11. “Four-dimensional computed tomography pulmonary ventilation images vary with deformable image registration algorithms and metrics” Yamamoto T., Kabus S., Klinder T., Von B.e.r.g., Lorenz C., Loo B.W., Keall P.J., 2011 Mar, Med Phys, DOI:10.1118/1.3547719͔ PDF
  12. “Electromagnetic-guided dynamic multileaf collimator tracking enables motion management for intensity-modulated arc therapy” Keall P.J., Sawant A., Cho B., Ruan D., Wu J., Poulsen P., Petersen J., Newell L.J., Cattell H., Korreman S., 2011 Jan 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2010.03.011 PDF
  13. “Real-time target position estimation using stereoscopic kilovoltage/megavoltage imaging and external respiratory monitoring for dynamic multileaf collimator tracking” Cho B., Poulsen P.R., Sawant A., Ruan D., Keall P.J., 2011 Jan 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2010.02.052 PDF
  14. “Impact of four-dimensional computed tomography pulmonary ventilation imaging-based functional avoidance for lung cancer radiotherapy” Yamamoto T., Kabus S., Von B.e.r.g., Lorenz C., Keall P.J., 2011 Jan 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2010.02.008 PDF
  15. “Failure mode and effect analysis-based quality assurance for dynamic MLC tracking systems” Sawant A., Dieterich S., Svatos M., Keall P., 2010 Dec, Med Phys, DOI:10.1118/1.3517837͔ PDF
  16. “Inverse planning for four-dimensional (4D) volumetric modulated arc therapy” Ma Y., Chang D., Keall P., Xie Y., Park J.Y., Suh T.S., Xing L., 2010 Nov, Med Phys, DOI:10.1118/1.3497271͔ PDF
  17. “Dynamic MLC tracking of moving targets with a single kV imager for 3D conformal and IMRT treatments” Poulsen P.R., Cho B., Sawant A., Ruan D., Keall P.J., 2010 Oct, Acta Oncol, DOI:10.3109/0284186X.2010.498438 PDF
  18. “Development of a micro-computed tomography-based image-guided conformal radiotherapy system for small animals” Zhou H., Rodriguez M., Van d.e.n., Nelson G., Jogani R., Xu J., Zhu X., Xian Y., Tran P.T., Felsher D.W., Keall P.J., Graves E.E., 2010 Sep 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.11.008 PDF
  19. “Detailed analysis of latencies in image-based dynamic MLC tracking” Poulsen P.R., Cho B., Sawant A., Ruan D., Keall P.J., 2010 Sep, Med Phys, DOI:10.1118/1.3480504͔ PDF
  20. “Commissioning and quality assurance for a respiratory training system based on audiovisual biofeedback” Cui G., Gopalan S., Yamamoto T., Berger J., Maxim P.G., Keall P.J., 2010 Jul 12, J Appl Clin Med Phys, URL PDF
  21. “Real-time tumor tracking using sequential kV imaging combined with respiratory monitoring: a general framework applicable to commonly used IGRT systems” Cho B., Poulsen P.R., Keall P.J., 2010 Jun 21, Phys Med Biol, DOI:10.1088/0031-9155/55/12/003 PDF
  22. “Online prediction of respiratory motion: multidimensional processing with low-dimensional feature learning” Ruan D., Keall P., 2010 Jun 7, Phys Med Biol, DOI:10.1088/0031-9155/55/11/002 PDF
  23. “Dynamic multileaf collimator tracking of respiratory target motion based on a single kilovoltage imager during arc radiotherapy” Poulsen P.R., Cho B., Ruan D., Sawant A., Keall P.J., 2010 Jun 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.08.030 PDF
  24. “Linking computer-aided design (CAD) to Geant4-based Monte Carlo simulations for precise implementation of complex treatment head geometries” Constantin M., Constantin D.E., Keall P.J., Narula A., Svatos M., Perl J., 2010 Apr 21, Phys Med Biol, DOI:10.1118/1.3598439 PDF
  25. “Quantification of artifact reduction with real-time cine four-dimensional computed tomography acquisition methods” Langner U.W., Keall P.J., 2010 Mar 15, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.07.013 PDF
  26. “Implementation of a new method for dynamic multileaf collimator tracking of prostate motion in arc radiotherapy using a single kV imager” Poulsen P.R., Cho B., Sawant A., Keall P.J., 2010 Mar 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.06.073 PDF
  27. “Real-time dynamic MLC tracking for inversely optimized arc radiotherapy” Falk M., Rosenschöld P.M., Keall P., Cattell H., Cho B.C., Poulsen P., Povzner S., Sawant A., Zimmerman J., Korreman S., 2010 Feb, Radiother Oncol, DOI:10.1016/j.radonc.2009.12.022 PDF
  28. “Investigation of the effects of treatment planning variables in small animal radiotherapy dose distributions” Motomura A.R., Bazalova M., Zhou H., Keall P.J., Graves E.E., 2010 Feb, Med Phys, DOI:10.1118/1.3276738͔ PDF
  29. “Kilovoltage beam Monte Carlo dose calculations in submillimeter voxels for small animal radiotherapy” Bazalova M., Zhou H., Keall P.J., Graves E.E., 2009 Nov, Med Phys, DOI:10.1118/1.3238465͔ PDF
  30. “Real-time profiling of respiratory motion: baseline drift, frequency variation and fundamental pattern change” Ruan D., Fessler J.A., Balter J.M., Keall P.J., 2009 Aug 7, Phys Med Biol, DOI:10.1088/0031-9155/54/15/009 PDF
  31. “Real-time prostate trajectory estimation with a single imager in arc radiotherapy: a simulation study” Poulsen P.R., Cho B., Keall P.J., 2009 Jul 7, Phys Med Biol, DOI:10.1118/1.3555295͔ PDF
  32. “First demonstration of combined kV/MV image-guided real-time dynamic multileaf-collimator target tracking” Cho B., Poulsen P.R., Sloutsky A., Sawant A., Keall P.J., 2009 Jul 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.02.012 PDF
  33. “Integration of real-time internal electromagnetic position monitoring coupled with dynamic multileaf collimator tracking: an intensity-modulated radiation therapy feasibility study” Smith R.L., Sawant A., Santanam L., Venkat R.B., Newell L.J., Cho B.C., Poulsen P., Catell H., Keall P.J., Parikh P.J., 2009 Jul 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.01.031 PDF
  34. “Commissioning of a novel microCT/RT system for small animal conformal radiotherapy” Rodriguez M., Zhou H., Keall P., Graves E., 2009 Jun 21, Phys Med Biol, DOI:10.1088/0031-9155/54/12/008 PDF
  35. “Four-dimensional IMRT treatment planning using a DMLC motion-tracking algorithm” Suh Y., Sawant A., Venkat R., Keall P.J., 2009 Jun 21, Phys Med Biol, DOI:10.1088/0031-9155/54/12/014 PDF
  36. “Monte Carlo dose verification of prostate patients treated with simultaneous integrated boost intensity modulated radiation therapy” Dogan N., Mihaylov I., Wu Y., Keall P.J., Siebers J.V., Hagan M.P., 2009 Jun 15, Radiat Oncol, DOI:10.1186/1748-717X-4-18 PDF
  37. “Toward submillimeter accuracy in the management of intrafraction motion: the integration of real-time internal position monitoring and multileaf collimator target tracking” Sawant A., Smith R.L., Venkat R.B., Santanam L., Cho B., Poulsen P., Cattell H., Newell L.J., Parikh P., Keall P.J., 2009 Jun 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2008.12.057 PDF
  38. “Four-dimensional inverse treatment planning with inclusion of implanted fiducials in IMRT segmented fields” Ma Y., Lee L., Keshet O., Keall P., Xing L., 2009 Jun, Med Phys, DOI:10.1118/1.3121425͔ PDF
  39. “A bone composition model for Monte Carlo x-ray transport simulations” Zhou H., Keall P.J., Graves E.E., 2009 Mar, Med Phys, DOI:10.1118/1.3077129͔ PDF
  40. “Considerations and limitations of fast Monte Carlo electron transport in radiation therapy based on precalculated data” Jabbari K., Keall P., Seuntjens J., 2009 Feb, Med Phys, DOI:10.1118/1.3058480͔ PDF
  41. “Accuracy in the localization of thoracic and abdominal tumors using respiratory displacement, velocity, and phase” Langner U.W., Keall P.J., 2009 Feb, Med Phys, DOI:10.1118/1.3049595͔ PDF
  42. “DMLC motion tracking of moving targets for intensity modulated arc therapy treatment: a feasibility study” Zimmerman J., Korreman S., Persson G., Cattell H., Svatos M., Sawant A., Venkat R., Carlson D., Keall P., 2009 Jan, Acta Oncol, DOI:10.1080/02841860802266722 PDF
  43. “A method to estimate mean position, motion magnitude, motion correlation, and trajectory of a tumor from cone-beam CT projections for image-guided radiotherapy” Poulsen P.R., Cho B., Keall P.J., 2008 Dec 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2008.07.037 PDF
  44. “Retrospective analysis of artifacts in four-dimensional CT images of 50 abdominal and thoracic radiotherapy patients” Yamamoto T., Langner U., Loo B.W., Shen J., Keall P.J., 2008 Nov 15, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2008.06.1937 PDF
  45. “Prospective displacement and velocity-based cine 4D CT” Langner U.W., Keall P.J., 2008 Oct, Med Phys, DOI:10.1118/1.2977539͔ PDF
  46. “Three-dimensional prostate position estimation with a single x-ray imager utilizing the spatial probability density” Poulsen P.R., Cho B., Langen K., Kupelian P., Keall P.J., 2008 Aug 21, Phys Med Biol, DOI:10.1088/0031-9155/53/16/008 PDF
  47. “A deliverable four-dimensional intensity-modulated radiation therapy-planning method for dynamic multileaf collimator tumor tracking delivery” Suh Y., Weiss E., Zhong H., Fatyga M., Siebers J.V., Keall P.J., 2008 Aug 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2008.04.018 PDF
  48. “Investigating the temporal effects of respiratory-gated and intensity-modulated radiotherapy treatment delivery on in vitro survival: an experimental and theoretical study” Keall P.J., Chang M., Benedict S., Thames H., Vedam S.S., Lin P.S., 2008 Aug 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2008.03.047 PDF
  49. “An analysis of thoracic and abdominal tumour motion for stereotactic body radiotherapy patients” Suh Y., Dieterich S., Cho B., Keall P.J., 2008 Jul 7, Phys Med Biol, DOI:10.1088/0031-9155/53/13/016 PDF
  50. “Development and preliminary evaluation of a prototype audiovisual biofeedback device incorporating a patient-specific guiding waveform” Venkat R.B., Sawant A., Suh Y., George R., Keall P.J., 2008 Jun 7, Phys Med Biol, DOI:10.1088/0031-9155/53/11/N01 PDF
  51. “A monoscopic method for real-time tumour tracking using combined occasional x-ray imaging and continuous respiratory monitoring” Cho B., Suh Y., Dieterich S., Keall P.J., 2008 Jun 7, Phys Med Biol, DOI:10.1088/0031-9155/53/11/006 PDF
  52. “On the accuracy of a moving average algorithm for target tracking during radiation therapy treatment delivery” George R., Suh Y., Murphy M., Williamson J., Weiss E., Keall P., 2008 Jun, Med Phys, DOI:10.1118/1.2921131͔ PDF
  53. “The development and investigation of a prototype three-dimensional compensator for whole brain radiation therapy” Keall P., Arief I., Shamas S., Weiss E., Castle S., 2008 May 7, Phys Med Biol, DOI:10.1088/0031-9155/53/9/004 PDF
  54. “Management of three-dimensional intrafraction motion through real-time DMLC tracking” Sawant A., Venkat R., Srivastava V., Carlson D., Povzner S., Cattell H., Keall P., 2008 May, Med Phys, DOI:10.1118/1.2905355͔ PDF
  55. “Esophagus and spinal cord motion relative to GTV motion in four-dimensional CTs of lung cancer patients” Weiss E., Wijesooriya K., Keall P., 2008 Apr, Radiother Oncol, DOI:10.1016/j.radonc.2007.12.016 PDF
  56. “Comparison of intensity-modulated radiotherapy planning based on manual and automatically generated contours using deformable image registration in four-dimensional computed tomography of lung cancer patients” Weiss E., Wijesooriya K., Ramakrishnan V., Keall P.J., 2008 Feb 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2007.09.035 PDF
  57. “A new formula for normal tissue complication probability (NTCP) as a function of equivalent uniform dose (EUD)” Luxton G., Keall P.J., King C.R., 2008 Jan 7, Phys Med Biol, DOI:10.1088/0031-9155/53/1/002 PDF
  58. “Report of the AAPM Task Group No. 105: Issues associated with clinical implementation of Monte Carlo-based photon and electron external beam treatment planning” Chetty I.J., Curran B., Cygler J.E., Demarco J.J., Ezzell G., Faddegon B.A., Kawrakow I., Keall P.J., Liu H., Ma C.M., Rogers D.W., Seuntjens J., Sheikh-bagheri D., Siebers J.V., 2007 Dec, Med Phys, DOI:10.1118/1.2795842͔ PDF
  59. “Quantification of accuracy of the automated nonlinear image matching and anatomical labeling (ANIMAL) nonlinear registration algorithm for 4D CT images of lung” Heath E., Collins D.L., Keall P.J., Dong L., Seuntjens J., 2007 Nov, Med Phys, DOI:10.1118/1.2795824͔ PDF
  60. “Design and evaluation of a variable aperture collimator for conformal radiotherapy of small animals using a microCT scanner” Graves E.E., Zhou H., Chatterjee R., Keall P.J., Gambhir S.S., Contag C.H., Boyer A.L., 2007 Nov, Med Phys, DOI:10.1118/1.2789498͔ PDF
  61. “Computational challenges for image-guided radiation therapy: framework and current research” Xing L., Siebers J., Keall P., 2007 Oct, Semin Radiat Oncol, DOI:10.1016/j.semradonc.2007.07.004 PDF
  62. “Respiratory regularity gated 4D CT acquisition: concepts and proof of principle” Keall P.J., Vedam S.S., George R., Williamson J.F., 2007 Sep, Australas Phys Eng Sci Med, DOI:10.1007/BF03178428 PDF
  63. “Is there a selection bias in radiotherapy dose-escalation protocols?” Weiss E., Ramakrishnan V., Keall P.J., 2007 Aug 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2007.02.006 PDF
  64. “Geometric uncertainty of 2D projection imaging in monitoring 3D tumor motion” Suh Y., Dieterich S., Keall P.J., 2007 Jun 21, Phys Med Biol, DOI:10.1088/0031-9155/52/12/008 PDF
  65. “A strategy to correct for intrafraction target translation in conformal prostate radiotherapy: simulation results” Keall P.J., Lauve A.D., Hagan M.P., Siebers J.V., 2007 Jun, Med Phys, DOI:10.1118/1.2731484͔ PDF
  66. “Optimum parameters in a model for tumour control probability, including interpatient heterogeneity: evaluation of the log-normal distribution” Keall P.J., Webb S., 2007 Jan 7, Phys Med Biol, DOI:10.1088/0031-9155/52/1/019 PDF
  67. “An analysis of 6-MV versus 18-MV photon energy plans for intensity-modulated radiation therapy (IMRT) of lung cancer” Weiss E., Siebers J.V., Keall P.J., 2007 Jan, Radiother Oncol, DOI:10.1016/j.radonc.2006.10.021 PDF
  68. “Tumor and normal tissue motion in the thorax during respiration: Analysis of volumetric and positional variations using 4D CT” Weiss E., Wijesooriya K., Dill S.V., Keall P.J., 2007 Jan 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2006.09.009 PDF
  69. “Improving IMRT dose accuracy via deliverable Monte Carlo optimization for the treatment of head and neck cancer patients” Dogan N., Siebers J.V., Keall P.J., Lerma F., Wu Y., Fatyga M., Williamson J.F., Schmidt-ullrich R.K., 2006 Nov, Med Phys, DOI:10.1118/1.2357835͔ PDF
  70. “Investigation of patient, tumour and treatment variables affecting residual motion for respiratory-gated radiotherapy” George R., Ramakrishnan V., Siebers J.V., Chung T.D., Keall P.J., 2006 Oct 21, Phys Med Biol, DOI:10.1118/1.2921131͔ PDF
  71. “Clinical comparison of head and neck and prostate IMRT plans using absorbed dose to medium and absorbed dose to water” Dogan N., Siebers J.V., Keall P.J., 2006 Oct 7, Phys Med Biol, DOI:10.1088/0031-9155/51/19/015 PDF
  72. “The management of respiratory motion in radiation oncology report of AAPM Task Group 76” Keall P.J., Mageras G.S., Balter J.M., Emery R.S., Forster K.M., Jiang S.B., Kapatoes J.M., Low D.A., Murphy M.J., Murray B.R., Ramsey C.R., Van H.e.r.k., Vedam S.S., Wong J.W., Yorke E., 2006 Oct, Med Phys, DOI:10.1118/1.2349696͔ PDF
  73. “Geometric accuracy of a real-time target tracking system with dynamic multileaf collimator tracking system” Keall P.J., Cattell H., Pokhrel D., Dieterich S., Wong K.H., Murphy M.J., Vedam S.S., Wijesooriya K., Mohan R., 2006 Aug 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2006.04.038 PDF
  74. “Audio-visual biofeedback for respiratory-gated radiotherapy: impact of audio instruction and audio-visual biofeedback on respiratory-gated radiotherapy” George R., Chung T.D., Vedam S.S., Ramakrishnan V., Mohan R., Weiss E., Keall P.J., 2006 Jul 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2006.02.035 PDF
  75. “The clinical implementation of respiratory-gated intensity-modulated radiotherapy” Keall P., Vedam S., George R., Bartee C., Siebers J., Lerma F., Weiss E., Chung T., 2006 July, Med Dosim, DOI:10.1016/j.meddos.2005.12.002 PDF
  76. “A dynamic compensation strategy to correct patient-positioning errors in conformal prostate radiotherapy” Lauve A.D., Siebers J.V., Crimaldi A.J., Hagan M.P., Kealla P.J., 2006 Jun, Med Phys, DOI:10.1118/1.2198967͔ PDF
  77. “Monte Carlo-based dosimetry of head-and-neck patients treated with SIB-IMRT” Sakthi N., Keall P., Mihaylov I., Wu Q., Wu Y., Williamson J.F., Schmidt-ullrich R., Siebers J.V., 2006 Mar 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2005.09.049 PDF
  78. “Displacement-based binning of time-dependent computed tomography image data sets” Fitzpatrick M.J., Starkschall G., Antolak J.A., Fu J., Shukla H., Keall P.J., Klahr P., Mohan R., 2006 Jan, Med Phys, DOI:10.1118/1.2044427͔ PDF
  79. “Effect of patient setup errors on simultaneously integrated boost head and neck IMRT treatment plans” Siebers J.V., Keall P.J., Wu Q., Williamson J.F., Schmidt-ullrich R.K., 2005 Oct 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2005.02.029 PDF
  80. “Real-time DMLC IMRT delivery for mobile and deforming targets” Papiez L., Rangaraj D., Keall P., 2005 Sep, Med Phys, DOI:10.1118/1.1987967͔ PDF
  81. “The application of the sinusoidal model to lung cancer patient respiratory motion” George R., Vedam S.S., Chung T.D., Ramakrishnan V., Keall P.J., 2005 Sep, Med Phys, DOI:10.1118/1.2001220͔ PDF
  82. “Dosimetric impact of geometric errors due to respiratory motion prediction on dynamic multileaf collimator-based four-dimensional radiation delivery” Vedam S., Docef A., Fix M., Murphy M., Keall P., 2005 Jun, Med Phys, DOI:10.1118/1.1915017͔ PDF
  83. “Radiological properties of normoxic polymer gel dosimeters” Venning A.J., Nitschke K.N., Keall P.J., Baldock C., 2005 Apr, Med Phys, DOI:10.1118/1.1881812͔ PDF
  84. “Determination of maximum leaf velocity and acceleration of a dynamic multileaf collimator: implications for 4D radiotherapy” Wijesooriya K., Bartee C., Siebers J.V., Vedam S.S., Keall P.J., 2005 Apr, Med Phys, DOI:10.1118/1.1876581͔ PDF
  85. “Four-dimensional radiotherapy planning for DMLC-based respiratory motion tracking” Keall P.J., Joshi S., Vedam S.S., Siebers J.V., Kini V.R., Mohan R., 2005 Apr, Med Phys, DOI:10.1118/1.1879152͔ PDF
  86. “Photon-beam subsource sensitivity to the initial electron-beam parameters” Fix M.K., Keall P.J., Siebers J.V., 2005 Apr, Med Phys, DOI:10.1118/1.1884385͔ PDF
  87. “Letter to the editor concerning Senan et al., [Radiother Oncol 2004;71:139-146]” Weiss E., Vorwerk H., Keall P.J., Pradier O., Christiansen H., Hille A., Hess C.F., 2005 Mar, Radiother Oncol, DOI:10.1016/j.radonc.2004.12.008 PDF
  88. “Is the diaphragm motion probability density function normally distributed?” George R., Keall P.J., Kini V.R., Vedam S.S., Ramakrishnan V., Mohan R., 2005 Feb, Med Phys, DOI:10.1118/1.2001220͔ PDF
  89. “A novel platform simulating irregular motion to enhance assessment of respiration-correlated radiation therapy procedures” Fitzpatrick M.J., Starkschall G., Balter P., Antolak J.A., Guerrero T., Nelson C., Keall P., Mohan R., 2005 Jan, J Appl Clin Med Phys, URL PDF
  90. “On the use of EPID-based implanted marker tracking for 4D radiotherapy” Keall P.J., Todor A.D., Vedam S.S., Bartee C.L., Siebers J.V., Kini V.R., Mohan R., 2004 Dec, Med Phys, DOI:10.1118/1.1812608 PDF
  91. “Monte Carlo-based treatment planning for a spoiler system with experimental validation using plane-parallel ionization chambers” Kang S.K., Cho B.C., Park S.H., Park H.C., Bae H., Kim J.O., Keall P.J., Siebers J.V., 2004 Nov 21, Phys Med Biol, DOI:10.1088/0031-9155/49/22/009 PDF
  92. “Monte Carlo source model for photon beam radiotherapy: photon source characteristics” Fix M.K., Keall P.J., Dawson K., Siebers J.V., 2004 Nov, Med Phys, DOI:10.1118/1.1803431 PDF
  93. “Monte Carlo as a four-dimensional radiotherapy treatment-planning tool to account for respiratory motion” Keall P.J., Siebers J.V., Joshi S., Mohan R., 2004 Aug 21, Phys Med Biol, DOI:10.1118/1.1879152͔ PDF
  94. “Predicting respiratory motion for four-dimensional radiotherapy” Vedam S.S., Keall P.J., Docef A., Todor D.A., Kini V.R., Mohan R., 2004 Aug, Med Phys, DOI:10.1118/1.1771931͔ PDF
  95. “Acquiring 4D thoracic CT scans using a multislice helical method” Keall P.J., Starkschall G., Shukla H., Forster K.M., Ortiz V., Stevens C.W., Vedam S.S., George R., Guerrero T., Mohan R., 2004 May 21, Phys Med Biol, DOI:10.1118/1.1879152͔ PDF
  96. “Tumor control probability predictions for genetic radiotherapy” Keall P.J., Lammering G., Lin P.S., Winter D.S., Chung T.D., Mohan R., Schmidt-ullrich R.K., 2003 Sep 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/S0360-3016(03)00500-5 PDF
  97. “Image reconstruction and the effect on dose calculation for hip prostheses” Keall P.J., Chock L.B., Jeraj R., Siebers J.V., Mohan R., 2003 July, Med Dosim, DOI:10.1016/S0958-3947(02)00246-7 PDF
  98. “Radiotherapy dose calculations in the presence of hip prostheses” Keall P.J., Siebers J.V., Jeraj R., Mohan R., 2003 July, Med Dosim, DOI:10.1016/S0958-3947(02)00245-5 PDF
  99. “Dosimetric considerations for patients with HIP prostheses undergoing pelvic irradiation. Report of the AAPM Radiation Therapy Committee Task Group 63” Reft C., Alecu R., Das I.J., Gerbi B.J., Keall P., Lief E., Mijnheer B.J., Papanikolaou N., Sibata C., Van D.y.k., Aapm R.a.d.i.a.t.i.o.n., 2003 Jun, Med Phys, DOI:10.1118/1.1565113͔ PDF
  100. “Clinical evidence that more precisely defined dose distributions will improve cancer survival and decrease morbidity” Keall P.J., Williamson J.F., 2003 Jun, Med Phys, DOI:10.1118/1.1570371͔ PDF
  101. “Quantifying the predictability of diaphragm motion during respiration with a noninvasive external marker” Vedam S.S., Kini V.R., Keall P.J., Ramakrishnan V., Mostafavi H., Mohan R., 2003 Apr, Med Phys, DOI:10.1118/1.1558675͔ PDF
  102. “Quantifying the effect of intrafraction motion during breast IMRT planning and dose delivery” George R., Keall P.J., Kini V.R., Vedam S.S., Siebers J.V., Wu Q., Lauterbach M.H., Arthur D.W., Mohan R., 2003 Apr, Med Phys, DOI:10.1118/1.1543151͔ PDF
  103. “Determining the incident electron fluence for Monte Carlo-based photon treatment planning using a standard measured data set” Keall P.J., Siebers J.V., Libby B., Mohan R., 2003 Apr, Med Phys, DOI:10.1118/1.1561623͔ PDF
  104. “Patient training in respiratory-gated radiotherapy” Kini V.R., Vedam S.S., Keall P.J., Patil S., Chen C., Mohan R., 2003 April, Med Dosim, DOI:10.1016/S0958-3947(02)00136-X PDF
  105. “Acquiring a four-dimensional computed tomography dataset using an external respiratory signal” Vedam S.S., Keall P.J., Kini V.R., Mostafavi H., Shukla H.P., Mohan R., 2003 Jan 7, Phys Med Biol, DOI:10.1118/1.1915017͔ PDF
  106. “A fluence-convolution method to calculate radiation therapy dose distributions that incorporate random set-up error” Beckham W.A., Keall P.J., Siebers J.V., 2002 Oct 7, Phys Med Biol, DOI:10.1088/0031-9155/47/19/302 PDF
  107. “A method for photon beam Monte Carlo multileaf collimator particle transport” Siebers J.V., Keall P.J., Kim J.O., Mohan R., 2002 Sep 7, Phys Med Biol, DOI:10.1088/0031-9155/47/17/312 PDF
  108. “Dosimetric advantage of using 6 MV over 15 MV photons in conformal therapy of lung cancer: Monte Carlo studies in patient geometries” Keall P., Siebers J., 2002 July, J Appl Clin Med Phys, DOI:10.1120/1.1492075͔ PDF
  109. “Incorporating multi-leaf collimator leaf sequencing into iterative IMRT optimization” Siebers J.V., Lauterbach M., Keall P.J., Mohan R., 2002 Jun, Med Phys, DOI:10.1118/1.1477230͔ PDF
  110. “Dm rather than Dw should be used in Monte Carlo treatment planning. Against the proposition” Keall P., 2002 May, Med Phys, DOI:10.1118/1.1473137͔ PDF
  111. “Potential radiotherapy improvements with respiratory gating” Keall P.J., Kini V.R., Vedam S.S., Mohan R., 2002 Mar, Australas Phys Eng Sci Med, DOI:10.1007/BF03178368 PDF
  112. “The effect of dose calculation accuracy on inverse treatment planning” Jeraj R., Keall P.J., Siebers J.V., 2002 Feb 7, Phys Med Biol, DOI:10.1088/0031-9155/47/3/303 PDF
  113. “A Monte Carlo study of radiation transport through multileaf collimators” Kim J.O., Siebers J.V., Keall P.J., Arnfield M.R., Mohan R., 2001 Dec, Med Phys, DOI:10.1118/1.1420734͔ PDF
  114. “Determining parameters for respiration-gated radiotherapy” Vedam S.S., Keall P.J., Kini V.R., Mohan R., 2001 Oct, Med Phys, DOI:10.1118/1.1406524͔ PDF
  115. “The effect of source-axis distance on integral dose: implications for IMRT” Keall P., 2001 Sep, Australas Phys Eng Sci Med, DOI:10.1007/BF03178356 PDF
  116. “Monte Carlo dose calculations for dynamic IMRT treatments” Keall P.J., Siebers J.V., Arnfield M., Kim J.O., Mohan R., 2001 Apr, Phys Med Biol, DOI:10.1118/1.1561623͔ PDF
  117. “Motion adaptive x-ray therapy: a feasibility study” Keall P.J., Kini V.R., Vedam S.S., Mohan R., 2001 Jan, Phys Med Biol, DOI:10.1118/1.1812608 PDF
  118. “The effect of statistical uncertainty on inverse treatment planning based on Monte Carlo dose calculation” Jeraj R., Keall P., 2000 Dec, Phys Med Biol, DOI:10.1088/0031-9155/45/12/307 PDF
  119. “A method for determining multileaf collimator transmission and scatter for dynamic intensity modulated radiotherapy” Arnfield M.R., Siebers J.V., Kim J.O., Wu Q., Keall P.J., Mohan R., 2000 Oct, Med Phys, DOI:10.1118/1.1312190 PDF
  120. “Converting absorbed dose to medium to absorbed dose to water for Monte Carlo based photon beam dose calculations” Siebers J.V., Keall P.J., Nahum A.E., Mohan R., 2000 Apr, Phys Med Biol, DOI:10.1088/0031-9155/45/4/313 PDF
  121. “The effect of dose calculation uncertainty on the evaluation of radiotherapy plans” Keall P.J., Siebers J.V., Jeraj R., Mohan R., 2000 Mar, Med Phys, DOI:10.1118/1.598916 PDF
  122. “Comparison of EGS4 and MCNP4b Monte Carlo codes for generation of photon phase space distributions for a Varian 2100C” Siebers J.V., Keall P.J., Libby B., Mohan R., 1999 Dec, Phys Med Biol, DOI:10.1088/0031-9155/44/12/311 PDF
  123. “An analytical model of a kilovoltage beam phase space” Di S.o.p.r.a., Keall P., Beckham W., 1999 Sep, Med Phys, DOI:10.1118/1.598705 PDF
  124. “Monte Carlo-based inverse treatment planning” Jeraj R., Keall P., 1999 Aug, Phys Med Biol, DOI:10.1088/0031-9155/44/8/303 PDF
  125. “Comparison of kilovoltage x-ray and electron beam dose distributions for radiotherapy of the sternum” Keall P., Monti d.i., Beckham W., Delaney G., 1999 July, Med Dosim, DOI:10.1016/S0958-3947(99)00004-7 PDF
  126. “Comparisons between MCNP, EGS4 and experiment for clinical electron beams” Jeraj R., Keall P.J., Ostwald P.M., 1999 Mar, Phys Med Biol, DOI:10.1088/0031-9155/44/3/013 PDF
  127. “Improving wedged field dose distributions” Keall P., Zavgorodni S., Schmidt L., Haskard D., 1997 Nov, Phys Med Biol, DOI:10.1088/0031-9155/42/11/013 PDF
  128. “Super-Monte Carlo: a 3-D electron beam dose calculation algorithm” Keall P.J., Hoban P.W., 1996 Dec, Med Phys, DOI:10.1118/1.597842 PDF
  129. “Calculating the angular standard deviation of electron beams using Fermi-Eyges theory” Keall P.J., Hoban P.W., 1996 Aug, Phys Med Biol, DOI:10.1088/0031-9155/41/8/017 PDF
  130. “Superposition dose calculation incorporating Monte Carlo generated electron track kernels” Keall P.J., Hoban P.W., 1996 Apr, Med Phys, DOI:10.1118/1.597679 PDF
  131. “Accounting for primary electron scatter in x-ray beam convolution calculations” Keall P., Hoban P., 1995 Sep, Med Phys, DOI:10.1118/1.597623 PDF

Multileaf Collimator Publications

  1. “Electromagnetic detection and real-time DMLC adaptation to target rotation during radiotherapy” Wu J., Ruan D., Cho B., Sawant A., Petersen J., Newell L.J., Cattell H., Keall P.J., 2012 Mar 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2011.06.1958 PDF
  2. “Megavoltage image-based dynamic multileaf collimator tracking of a NiTi stent in porcine lungs on a linear accelerator” Poulsen P.R., Carl J., Nielsen J., Nielsen M.S., Thomsen J.B., Jensen H.K., Kjærgaard B., Zepernick P.R., Worm E., Fledelius W., Cho B., Sawant A., Ruan D., Keall P.J., 2012 Feb 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2011.03.023 PDF
  3. “Geometric accuracy of dynamic MLC tracking with an implantable wired electromagnetic transponder” Ravkilde T., Keall P.J., Højbjerre K., Fledelius W., Worm E., Poulsen P.R., 2011 Aug, Acta Oncol, DOI:10.3109/0284186X.2011.590524 PDF
  4. “Tracking latency in image-based dynamic MLC tracking with direct image access” Fledelius W., Keall P.J., Cho B., Yang X., Morf D., Scheib S., Poulsen P.R., 2011 Aug, Acta Oncol, DOI:10.3109/0284186X.2011.581693 PDF
  5. “Real-time dynamic MLC tracking for inversely optimized arc radiotherapy” Falk M., Rosenschöld P.M., Keall P., Cattell H., Cho B.C., Poulsen P., Povzner S., Sawant A., Zimmerman J., Korreman S., 2011 Feb, Radiother Oncol, DOI:10.1016/j.radonc.2009.12.022 PDF
  6. “Real-time target position estimation using stereoscopic kilovoltage/megavoltage imaging and external respiratory monitoring for dynamic multileaf collimator tracking” Cho B., Poulsen P.R., Sawant A., Ruan D., Keall P.J., 2011 Jan 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2010.02.052 PDF
  7. “Electromagnetic-guided dynamic multileaf collimator tracking enables motion management for intensity-modulated arc therapy” Keall P.J., Sawant A., Cho B., Ruan D., Wu J., Poulsen P., Petersen J., Newell L.J., Cattell H., Korreman S., 2011 Jan 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2010.03.011 PDF
  8. “Dynamic MLC tracking of moving targets with a single kV imager for 3D conformal and IMRT treatments” Poulsen P.R., Cho B., Sawant A., Ruan D., Keall P.J., 2010 Oct, Acta Oncol, DOI:10.3109/0284186X.2010.498438 PDF
  9. “Detailed analysis of latencies in image-based dynamic MLC tracking” Poulsen P.R., Cho B., Sawant A., Ruan D., Keall P.J., 2010 Sep, Med Phys, DOI:10.1118/1.3480504͔ PDF
  10. “Real-time tumor tracking using sequential kV imaging combined with respiratory monitoring: a general framework applicable to commonly used IGRT systems” Cho B., Poulsen P.R., Keall P.J., 2010 Jun 21, Phys Med Biol, DOI:10.1088/0031-9155/55/12/003 PDF
  11. “Online prediction of respiratory motion: multidimensional processing with low-dimensional feature learning” Ruan D., Keall P., 2010 Jun 7, Phys Med Biol, DOI:10.1088/0031-9155/55/11/002 PDF
  12. “Dynamic multileaf collimator tracking of respiratory target motion based on a single kilovoltage imager during arc radiotherapy” Poulsen P.R., Cho B., Ruan D., Sawant A., Keall P.J., 2010 Jun 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.08.030 PDF
  13. “Implementation of a new method for dynamic multileaf collimator tracking of prostate motion in arc radiotherapy using a single kV imager” Poulsen P.R., Cho B., Sawant A., Keall P.J., 2010 Mar 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.06.073 PDF
  14. “Real-time profiling of respiratory motion: baseline drift, frequency variation and fundamental pattern change” Ruan D., Fessler J.A., Balter J.M., Keall P.J., 2009 Aug 7, Phys Med Biol, DOI:10.1088/0031-9155/54/15/009 PDF
  15. “Integration of real-time internal electromagnetic position monitoring coupled with dynamic multileaf collimator tracking: an intensity-modulated radiation therapy feasibility study” Smith R.L., Sawant A., Santanam L., Venkat R.B., Newell L.J., Cho B.C., Poulsen P., Catell H., Keall P.J., Parikh P.J., 2009 Jul 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.01.031 PDF
  16. “First demonstration of combined kV/MV image-guided real-time dynamic multileaf-collimator target tracking” Cho B., Poulsen P.R., Sloutsky A., Sawant A., Keall P.J., 2009 Jul 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2009.02.012 PDF
  17. “Toward submillimeter accuracy in the management of intrafraction motion: the integration of real-time internal position monitoring and multileaf collimator target tracking” Sawant A., Smith R.L., Venkat R.B., Santanam L., Cho B., Poulsen P., Cattell H., Newell L.J., Parikh P., Keall P.J., 2009 Jun 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2008.12.057 PDF
  18. “Geometric accuracy of a real-time target tracking system with dynamic multileaf collimator tracking system” Keall P.J., Cattell H., Pokhrel D., Dieterich S., Wong K.H., Murphy M.J., Vedam S.S., Wijesooriya K., Mohan R., 2006 Aug 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2006.04.038 PDF
  19. “Motion adaptive x-ray therapy: a feasibility study” Keall P.J., Kini V.R., Vedam S.S., Mohan R., 2001 Jan, Phys Med Biol, DOI:10.1088/0031-9155/46/1/301 PDF

Audiovisual Publications

  1. “The impact of audio-visual biofeedback on 4D PET images: results of a phantom study," Yang J, Yamamoto T, Cho B, Seo Y, Keall PJ. Med Phys. 2012 Feb;39(2):1046-57.
    http://dx.doi.org/10.1118/1.3679012
  2. “Development and preliminary evaluation of a prototype audiovisual biofeedback device incorporating a patient-specific guiding waveform” Venkat R.B., Sawant A., Suh Y., George R., Keall P.J., 2008 Jun 7, Phys Med Biol, DOI:10.1088/0031-9155/53/11/N01 PDF
  3. “Investigation of patient, tumour and treatment variables affecting residual motion for respiratory-gated radiotherapy” George R., Ramakrishnan V., Siebers J.V., Chung T.D., Keall P.J., 2006 Oct 21, Phys Med Biol, DOI:10.1088/0031-9155/51/20/015 PDF
  4. “Audio-visual biofeedback for respiratory-gated radiotherapy: impact of audio instruction and audio-visual biofeedback on respiratory-gated radiotherapy” George R., Chung T.D., Vedam S.S., Ramakrishnan V., Mohan R., Weiss E., Keall P.J., 2006 Jul 1, Int J Radiat Oncol Biol Phys, DOI:10.1016/j.ijrobp.2006.02.035 PDF
  5. “Patient training in respiratory-gated radiotherapy” Kini V.R., Vedam S.S., Keall P.J., Patil S., Chen C., Mohan R., 2003 Mar, Med Dosim, DOI:10.1016/S0958-3947(02)00136-X PDF

Ventilation Imaging Publications

  1. “Investigation of four-dimensional computed tomography-based pulmonary ventilation imaging in patients with emphysematous lung regions” Yamamoto T., Kabus S., Klinder T., Lorenz C., Von B.e.r.g., Blaffert T., Loo B.W., Keall P.J., 2011 Apr 7, Phys Med Biol, DOI:10.1088/0031-9155/56/7/023 PDF
  2. “Four-dimensional computed tomography pulmonary ventilation images vary with deformable image registration algorithms and metrics” Yamamoto T., Kabus S., Klinder T., Berg J., Lorenz C., Loo B.W., Keall P.J., 2011 Mar, Med Phys, DOI:10.1118/1.3547719͔ PDF