C M Ma

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. ncbi request reprint Correction factors for water-proofing sleeves in kilovoltage x-ray beams
    C M Ma
    Institute for National Measurement Standards, National Research Council Canada, Ottawa, Canada
    Med Phys 24:1507-13. 1997
  2. ncbi request reprint Monte Carlo verification of IMRT dose distributions from a commercial treatment planning optimization system
    C M Ma
    Radiation Oncology Department, Stanford University School of Medicine, CA 94305, USA
    Phys Med Biol 45:2483-95. 2000
  3. ncbi request reprint Study of dosimetry consistency for kilovoltage x-ray beams
    C M Ma
    Department of Radiation Oncology, Stanford University School of Medicine, California 94305 5105, USA
    Med Phys 25:2376-84. 1998
  4. ncbi request reprint Mass-energy absorption coefficient and backscatter factor ratios for kilovoltage x-ray beams
    C M Ma
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5105, USA
    Phys Med Biol 44:131-43. 1999
  5. ncbi request reprint Energy- and intensity-modulated electron beams for radiotherapy
    C M Ma
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5304, USA
    Phys Med Biol 45:2293-311. 2000
  6. ncbi request reprint Clinical implementation of a Monte Carlo treatment planning system
    C M Ma
    Radiation Oncology Department, Stanford University School of Medicine, California 94305, USA
    Med Phys 26:2133-43. 1999
  7. ncbi request reprint Monte Carlo modelling of electron beams from medical accelerators
    C M Ma
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5304, USA
    Phys Med Biol 44:R157-89. 1999
  8. ncbi request reprint Dosimetric verification of IMRT treatment planning using Monte Carlo simulations for prostate cancer
    J Yang
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 50:869-78. 2005
  9. ncbi request reprint A particle track-repeating algorithm for proton beam dose calculation
    J S Li
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 50:1001-10. 2005
  10. ncbi request reprint A practical Monte Carlo MU verification tool for IMRT quality assurance
    J Fan
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 51:2503-15. 2006

Collaborators

Detail Information

Publications62

  1. ncbi request reprint Correction factors for water-proofing sleeves in kilovoltage x-ray beams
    C M Ma
    Institute for National Measurement Standards, National Research Council Canada, Ottawa, Canada
    Med Phys 24:1507-13. 1997
    ..Measurements for PMMA, nylon and polystyrene sleeves of various thicknesses have also been carried out and show excellent agreement with Monte Carlo calculations...
  2. ncbi request reprint Monte Carlo verification of IMRT dose distributions from a commercial treatment planning optimization system
    C M Ma
    Radiation Oncology Department, Stanford University School of Medicine, CA 94305, USA
    Phys Med Biol 45:2483-95. 2000
    ....
  3. ncbi request reprint Study of dosimetry consistency for kilovoltage x-ray beams
    C M Ma
    Department of Radiation Oncology, Stanford University School of Medicine, California 94305 5105, USA
    Med Phys 25:2376-84. 1998
    ..To this end, measured depth ionization curves require depth-dependent correction factors...
  4. ncbi request reprint Mass-energy absorption coefficient and backscatter factor ratios for kilovoltage x-ray beams
    C M Ma
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5105, USA
    Phys Med Biol 44:131-43. 1999
    ..This means that the B factors for water may be directly used to convert the 'in-air' water kerma to surface kerma for human soft tissues...
  5. ncbi request reprint Energy- and intensity-modulated electron beams for radiotherapy
    C M Ma
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5304, USA
    Phys Med Biol 45:2293-311. 2000
    ..To demonstrate the potential of MERT for target dose coverage and normal tissue sparing for treatment of superficial targets, treatment plans for a hypothetical treatment were compared using photon beams and MERT...
  6. ncbi request reprint Clinical implementation of a Monte Carlo treatment planning system
    C M Ma
    Radiation Oncology Department, Stanford University School of Medicine, California 94305, USA
    Med Phys 26:2133-43. 1999
    ..Treatment sites showing the largest dose differences were for head and neck, lung, and breast cases...
  7. ncbi request reprint Monte Carlo modelling of electron beams from medical accelerators
    C M Ma
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5304, USA
    Phys Med Biol 44:R157-89. 1999
    ..This paper summarizes work over the past two decades on Monte Carlo simulation of clinical electron beams from medical accelerators...
  8. ncbi request reprint Dosimetric verification of IMRT treatment planning using Monte Carlo simulations for prostate cancer
    J Yang
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 50:869-78. 2005
    ..These results suggest that heterogeneity correction should be used in dose calculation for prostate cancer with non-coplanar beam arrangements...
  9. ncbi request reprint A particle track-repeating algorithm for proton beam dose calculation
    J S Li
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 50:1001-10. 2005
    ..The differences between them were within 2%. The new algorithm was about 13 times faster than the GEANT3 Monte Carlo code for a uniform phantom geometry and over 700 times faster for a heterogeneous phantom geometry...
  10. ncbi request reprint A practical Monte Carlo MU verification tool for IMRT quality assurance
    J Fan
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 51:2503-15. 2006
    ..The results between the point detector and MCSIM agreed to within 2%. A factor of 20 speedup can be achieved with the point detector method compared with direct Monte Carlo simulations...
  11. ncbi request reprint Investigation of MR image distortion for radiotherapy treatment planning of prostate cancer
    Z Chen
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 51:1393-403. 2006
    ..Using the point-by-point method, the geometrical distortion after the GDC were reduced to <3 mm for external contour determination and the effective FOV was expanded from 36 cm to 42 cm...
  12. ncbi request reprint Dosimetric evaluation of MRI-based treatment planning for prostate cancer
    L Chen
    Radiation Oncology Department, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 49:5157-70. 2004
    ..The difference in the target dose between CT- and MRI-based plans using homogeneous geometry was within 2.5%. Our results suggest that MRI-based treatment planning is suitable for radiotherapy of prostate cancer...
  13. ncbi request reprint Effect of statistical uncertainties on Monte Carlo treatment planning
    C M Ma
    Radiation Oncology Department, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 50:891-907. 2005
    ..We provide practical guidelines for the clinical implementation of Monte Carlo treatment planning and show realistic examples of Monte Carlo based IMRT and MERT plans...
  14. ncbi request reprint Shielding design for a laser-accelerated proton therapy system
    J Fan
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 52:3913-30. 2007
    ..It is shown that the two-layer shielding design with 10-12 cm thick polyethylene and 4 cm thick lead can effectively absorb the unwanted particles to meet the shielding requirements...
  15. ncbi request reprint Modelling of electron contamination in clinical photon beams for Monte Carlo dose calculation
    J Yang
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 191 11, USA
    Phys Med Biol 49:2657-73. 2004
    ..The Monte Carlo calculated dose distributions were compared with measured data. Our results showed good agreement (less than 2% or 2 mm) for 6, 10 and 18 MV photon beams...
  16. ncbi request reprint Clinical implementation of intensity-modulated tangential beam irradiation for breast cancer
    J S Li
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 31:1023-31. 2004
    ..The IMRT technique has been proven practical for breast treatment clinically. The results showed that tangential IMRT improved the dose homogeneity in the breast and reduced the dose to the lung and heart...
  17. ncbi request reprint Optimization of combined electron and photon beams for breast cancer
    W Xiong
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 49:1973-89. 2004
    ..It is concluded that combined photon and electron beam therapy may be advantageous for treating breast cancer compared to conventional treatment techniques using tangential wedged photon beams followed by a boost electron field...
  18. doi request reprint Dosimetric advantages of IMPT over IMRT for laser-accelerated proton beams
    W Luo
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 53:7151-66. 2008
    ..Significant improvement in target dose uniformity and normal tissue sparing as well as in reduction of whole body dose can be achieved by IMPT with appropriate optimization and beam setup...
  19. doi request reprint Dosimetric verification of modulated electron radiotherapy delivered using a photon multileaf collimator for intact breasts
    L Jin
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 53:6009-25. 2008
    ..We conclude that our in-house MC treatment planning system is capable of performing treatment planning and accurate dose calculations for MERT using the pMLC to deliver radiation therapy to the intact breast...
  20. ncbi request reprint Ultra-thin TLDs for skin dose determination in high energy photon beams
    S Stathakis
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 51:3549-67. 2006
    ..Knowing the dose received at the surface of the patient can lead to prediction of skin reactions helping with the design of new treatment techniques and alternative dose fractionation schemes...
  21. doi request reprint The dosimetric impact of dental implants on head-and-neck volumetric modulated arc therapy
    Mu Han Lin
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
    Phys Med Biol 58:1027-40. 2013
    ..We demonstrated that it was effective to use the material's electron-density ratio to account for the dosimetric impact of the dental implant...
  22. ncbi request reprint Particle selection for laser-accelerated proton therapy feasibility study
    E Fourkal
    Radiation Oncology Department, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 30:1660-70. 2003
    ..The calculations presented in this article show that the dose rate that the selection system can yield is on the order of D=260 Gy/min for a field size of 1 x 1 cm2...
  23. ncbi request reprint The MLC tongue-and-groove effect on IMRT dose distributions
    J Deng
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305, USA
    Phys Med Biol 46:1039-60. 2001
    ....
  24. ncbi request reprint Validation of a Monte Carlo dose calculation tool for radiotherapy treatment planning
    J S Li
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305, USA
    Phys Med Biol 45:2969-85. 2000
    ..The agreement was within 1.0%. Our results demonstrate that MCDOSE is accurate and efficient for routine dose calculation in radiotherapy treatment planning, with or without beam modifiers...
  25. ncbi request reprint Photon beam characterization and modelling for Monte Carlo treatment planning
    J Deng
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305, USA
    Phys Med Biol 45:411-27. 2000
    ....
  26. ncbi request reprint Intensity modulated radiation therapy using laser-accelerated protons: a Monte Carlo dosimetric study
    E Fourkal
    Radiation Oncology Department, Fox Chase Cancer Center, 7701 Borehole Avenue, Philadelphia 19111, USA
    Phys Med Biol 48:3977-4000. 2003
    ..It is shown that for a two-beam arrangement (parallel-opposed) it is possible to achieve both superior target coverage with 5% dose inhomogeneity within the target and excellent sparing of surrounding tissue...
  27. ncbi request reprint Characterization of megavoltage electron beams delivered through a photon multi-leaf collimator (pMLC)
    F C P du Plessis
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 51:2113-29. 2006
    ..Bremsstrahlung measurements taken at 60 cm SSD for a 9 x 9 cm2 field as shaped by the pMLC compared within 1% to bremsstrahlung measurements taken at 100 cm SSD for a 10 x 10 cm2 electron applicator field at 100 cm SSD...
  28. ncbi request reprint Monte Carlo based treatment planning for modulated electron beam radiation therapy
    M C Lee
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5304, USA
    Phys Med Biol 46:2177-99. 2001
    ..A homogeneous model target and a 2D breast plan are presented. The potential use of this tool in clinical planning is discussed...
  29. ncbi request reprint Calculation of x-ray transmission through a multileaf collimator
    Y Chen
    Radiation Oncology Department, Stanford University School of Medicine, California 94305 5304, USA
    Med Phys 27:1717-26. 2000
    ..This ray tracing calculation can be applied to the problem of verifying dynamic MLC leaf sequences as part of a patient-specific quality assurance process for IMRT...
  30. ncbi request reprint Electron beam modeling and commissioning for Monte Carlo treatment planning
    S B Jiang
    Department of Radiation Oncology, Stanford University School of Medicine, California 94305 5304, USA
    Med Phys 27:180-91. 2000
    ..This preliminary study has shown the capability of the commissioning approach for handling large variation in the electron incident energy. The possibility of making the approach more versatile is also discussed...
  31. ncbi request reprint Energy optimization procedure for treatment planning with laser-accelerated protons
    E Fourkal
    Department of Radiation Oncology, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, Pennsylvania 19111, USA
    Med Phys 34:577-84. 2007
    ....
  32. ncbi request reprint A Monte Carlo dose calculation tool for radiotherapy treatment planning
    C M Ma
    Radiation Oncology Department, Stanford University School of Medicine, CA 94305, USA
    Phys Med Biol 47:1671-89. 2002
    ..The effect of energy cut-offs for particle transport was investigated. Variance reduction techniques were implemented in MCDOSE to achieve a speedup factor of 10-30 compared to DOSXYZ...
  33. ncbi request reprint An optimized leaf-setting algorithm for beam intensity modulation using dynamic multileaf collimators
    L Ma
    Department of Radiation Oncology, Stanford University, CA 94305 5105, USA
    Phys Med Biol 43:1629-43. 1998
    ..The algorithm is demonstrated to be applicable to both the 'step-and-shoot' and 'dynamic' type of beam delivery. The graphical interpretation and numerical implementation scheme of the algorithm is illustrated using a simplified example...
  34. ncbi request reprint Monte Carlo calculations of electron beam output factors for a medical linear accelerator
    A Kapur
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5105, USA
    Phys Med Biol 43:3479-94. 1998
    ..This demonstrated that for the Varian Clinac 2100C linear accelerator, electron beam dose calculations in homogeneous water phantoms can be performed accurately at the 2% level using Monte Carlo simulations...
  35. ncbi request reprint A quality assurance phantom for IMRT dose verification
    C M Ma
    Radiation Oncology Department, Stanford University School of Medicine, Stanford, CA 94305, USA
    Phys Med Biol 48:561-72. 2003
    ..The QA phantom has been integrated as a routine QA procedure for the patient's IMRT dose verification at Stanford since 1999...
  36. ncbi request reprint Derivation of electron and photon energy spectra from electron beam central axis depth dose curves
    J Deng
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305, USA
    Phys Med Biol 46:1429-49. 2001
    ..We have implemented this method in the electron beam commissioning procedure for Monte Carlo electron beam dose calculations...
  37. ncbi request reprint Verification of IMRT dose distributions using a water beam imaging system
    J S Li
    Department of Radiation Oncology, Stanford University School of Medicine, California 94305 5304, USA
    Med Phys 28:2466-74. 2001
    ..The proposed approach makes it possible to carry out a real-time comparison of the dose distribution in a transverse plane between the measurement and the reference when we do an IMRT dose verification...
  38. ncbi request reprint Daily target localization for prostate patients based on 3D image correlation
    K Paskalev
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 49:931-9. 2004
    ..The impact of image noise on the performance of the algorithm has been tested. The results show that the algorithm accurately adjusts for target positional changes even with Gaussian noise levels as high as 20% inserted...
  39. ncbi request reprint Removing the effect of statistical uncertainty on dose-volume histograms from Monte Carlo dose calculations
    S B Jiang
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5304, USA
    Phys Med Biol 45:2151-61. 2000
    ..The proposed approach is expected to be useful in removing the blurring effect on a quickly calculated Monte Carlo DVH when performing the iterative forward treatment planning...
  40. ncbi request reprint Modeling the extrafocal radiation and monitor chamber backscatter for photon beam dose calculation
    S B Jiang
    Department of Radiation Oncology, Stanford University School of Medicine, California 94305 5304, USA
    Med Phys 28:55-66. 2001
    ..The model will be particularly useful for IMRT dose calculations because it accurately predicts beam output and penumbra dose...
  41. ncbi request reprint Effect of patient variation on standard- and hypo-fractionated radiotherapy of prostate cancer
    W Xiong
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 50:1483-92. 2005
    ..On the other hand, for lower alpha/beta ratios, the beta term also plays a more important role in cell-killing and therefore the patient variation parameter sigmabeta must be considered when designing a new dose fractionation scheme...
  42. ncbi request reprint Elongated beamlets: a simple technique for segment and MU reduction for sMLC IMRT delivery on accelerators utilizing 5 mm leaf widths
    R A Price
    Department of Radiation Oncology, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA 19111, USA
    Phys Med Biol 50:N235-42. 2005
    ..This technique directly translates to a decreased MSF(mod) allowing for decreased leakage dose to the patient, a decreased risk of exceeding secondary shielding limits in pre-existing vaults, and shorter treatment times...
  43. doi request reprint 4D patient dose reconstruction using online measured EPID cine images for lung SBRT treatment validation
    Mu Han Lin
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Med Phys 39:5949-58. 2012
    ..This study aims to develop an EPID-guided 4D patient dose reconstruction framework and to investigate its feasibility for lung SBRT treatment validation...
  44. doi request reprint Investigation of pulsed low dose rate radiotherapy using dynamic arc delivery techniques
    C M Ma
    Radiation Oncology Department, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 57:4613-26. 2012
    ..7 ± 4.0 cGy min⁻¹...
  45. doi request reprint MR-guided pulsed high intensity focused ultrasound enhancement of docetaxel combined with radiotherapy for prostate cancer treatment
    Zhaomei Mu
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
    Phys Med Biol 57:535-45. 2012
    ....
  46. ncbi request reprint Theoretical considerations of monitor unit calculations for intensity modulated beam treatment planning
    A Boyer
    Department of Radiation Oncology, Stanford University School of Medicine, California 94305, USA
    Med Phys 26:187-95. 1999
    ..Experimental verification of the dose delivered by plans computed with the methodology demonstrated an agreement of better than 4% between the dose model and measurements...
  47. ncbi request reprint Comparison of RTP dose distributions in heterogeneous phantoms with the BEAM Monte Carlo simulation system
    M Miften
    Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710, USA
    J Appl Clin Med Phys 2:21-31. 2001
    ..The Clarkson model overestimates the dose in lung by a maximum of 10% compared to BEAM. Dose comparisons suggest turning-off the effective path length inhomogeneity correction in the Clarkson model for lung treatments...
  48. ncbi request reprint Shielding evaluation for IMRT implementation in an existing accelerator vault
    R A Price
    Department of Radiation Oncology, Fox Chase Cancer Center, 7701 Burholme Avenue, Philadelphia, Pennsylvania 19111, USA
    J Appl Clin Med Phys 4:231-8. 2003
    ..6% when using the SMLC delivery technique and our measured modulation scaling factors. This compares with a previously published value of 1.6% for routine 3D CRT delivery on the Varian accelerator...
  49. doi request reprint Quantitative study of focused ultrasound enhanced doxorubicin delivery to prostate tumor in vivo with MRI guidance
    Xiaoming Chen
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Med Phys 39:2780-6. 2012
    ..The purpose of this study was to investigate the potential of MR-guided pulsed focused ultrasound (pFUS) for the enhancement of drug uptake in prostate tumors in vivo using doxorubicin (Dox)...
  50. ncbi request reprint Dosimetric investigation of high dose rate, gated IMRT
    Teh Lin
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 35:5079-87. 2008
    ..Nonetheless, for the concern of patient care and safety, a patient specific QA should be performed as usual for IMRT plans for high dose rate deliveries...
  51. ncbi request reprint Monitor unit calculation for Monte Carlo treatment planning
    C M Ma
    Radiation Oncology Department, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 49:1671-87. 2004
    ..It is also used for absolute dose calculations using Monte Carlo simulations for treatment verification, which has become part of our comprehensive IMRT quality assurance programme...
  52. ncbi request reprint Investigation of optimal beam margins for stereotactic radiotherapy of lung-cancer using Monte Carlo dose calculations
    L Jin
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 52:3549-61. 2007
    ..The impact of the number of beam angles on the relationship between V20 and the beam margin was assessed. Quantitative information about optimal beam margins for lung-cancer SBRT was obtained for clinical applications...
  53. ncbi request reprint Monte Carlo and experimental investigations of multileaf collimated electron beams for modulated electron radiation therapy
    M C Lee
    Department of Radiation Oncology, Stanford University School of Medicine, California 94305 5304, USA
    Med Phys 27:2708-18. 2000
    ..These improvements were also seen in isodose curves when a complex field shape was simulated. It is thus concluded that an MLC specific for electron beam collimation is required for MERT...
  54. ncbi request reprint Stopping-power ratios for clinical electron beams from a scatter-foil linear accelerator
    A Kapur
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305, USA
    Phys Med Biol 44:2321-41. 1999
    ..5% of the Monte Carlo derived values for all the detector materials studied...
  55. ncbi request reprint Dose correlation for thoracic motion in radiation therapy of breast cancer
    Meisong Ding
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 30:2520-9. 2003
    ..The final dose distribution is reconstructed from the dose data at different breathing phases based on patient's breathing pattern associated with chest wall movements...
  56. ncbi request reprint Lens dose in MLC-based IMRT treatments of the head and neck
    Todd Pawlicki
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305 5487, USA
    Int J Radiat Oncol Biol Phys 59:293-9. 2004
    ....
  57. ncbi request reprint Particle in cell simulation of laser-accelerated proton beams for radiation therapy
    E Fourkal
    Radiation Oncology Department, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 29:2788-98. 2002
    ..Because of the broad energy and angular spectra of the protons, a compact particle selection and beam collimation system will be needed to generate small beams of polyenergetic protons for intensity modulated proton therapy...
  58. doi request reprint Linear energy transfer of proton clusters
    E Fourkal
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 56:3123-36. 2011
    ..As a result, the elevated radio biological effectiveness of the proton cluster may take place and conditions for its experimental observation are presented...
  59. ncbi request reprint The management of imaging dose during image-guided radiotherapy: report of the AAPM Task Group 75
    Martin J Murphy
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Med Phys 34:4041-63. 2007
    ..The end goal is to enable the design of image guidance regimens that are as effective and efficient as possible...
  60. ncbi request reprint Monte Carlo simulation for MLC-based intensity-modulated radiotherapy
    T Pawlicki
    Department of Radiation Oncology, Stanford University School of Medicine, CA 94305 5304, USA
    Med Dosim 26:157-68. 2001
    ..It is currently in the process of being implemented by various treatment planning vendors and will be available for clinical use in the immediate future...
  61. ncbi request reprint Impact of pelvic nodal irradiation with intensity-modulated radiotherapy on treatment of prostate cancer
    Robert A Price
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Int J Radiat Oncol Biol Phys 66:583-92. 2006
    ..The aim of this study was to evaluate the feasibility of treating the pelvic lymphatic regions during prostate intensity-modulated radiotherapy (IMRT) with respect to our routine acceptance criteria...
  62. doi request reprint MR-guided focused ultrasound: enhancement of intratumoral uptake of [³H]-docetaxel in vivo
    Lili Chen
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 55:7399-410. 2010
    ..Our data showed increased (³H-docetaxel concentration in the tumor in the MRgFUS-treated group (1079 ± 132 cmp/75 mg) versus those without MRgFUS treatment (524 ± 201 cmp/75 mg) with P = 0.037...