Chang Ming Ma

Summary

Affiliation: Fox Chase Cancer Center
Country: USA

Publications

  1. ncbi request reprint Within the next decade conventional cyclotrons for proton radiotherapy will become obsolete and replaced by far less expensive machines using compact laser systems for the acceleration of the protons
    Chang Ming Charlie Ma
    Fox Chase Cancer Center Philadelphia, Pennsylvania 19111, USA
    Med Phys 33:571-3. 2006
  2. 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
  3. doi request reprint Dose specification for radiation therapy: dose to water or dose to medium?
    C M Ma
    Radiation Oncology Department Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 56:3073-89. 2011
  4. ncbi request reprint In-room CT techniques for image-guided radiation therapy
    C M Charlie Ma
    Fox Chase Cancer Center, Philadelphia, PA, USA
    Med Dosim 31:30-9. 2006
  5. ncbi request reprint Uncertainties in IMRT dosimetry
    Jin sheng Li
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 37:2491-500. 2010
  6. pmc Reduction of prostate intrafractional motion from shortening the treatment time
    Jin sheng Li
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 58:4921-32. 2013
  7. ncbi request reprint Particle selection and beam collimation system for laser-accelerated proton beam therapy
    Wei Luo
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 32:794-806. 2005
  8. ncbi request reprint Monte Carlo based IMRT dose verification using MLC log files and R/V outputs
    Wei Luo
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 33:2557-64. 2006
  9. ncbi request reprint MRI-based treatment planning for radiotherapy: dosimetric verification for prostate IMRT
    Lili Chen
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
    Int J Radiat Oncol Biol Phys 60:636-47. 2004
  10. doi request reprint Planning target volume-to-skin proximity for head-and-neck intensity modulated radiation therapy treatment planning
    Robert A Price
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania Electronic address
    Pract Radiat Oncol 4:e21-9. 2014

Research Grants

  1. MONTE CARLO TOOLS FOR IMRT
    Chang Ming Ma; Fiscal Year: 2001
  2. Investigation of Monte Carlo Tools for IMRT
    Chang Ming Ma; Fiscal Year: 2003
  3. Investigation of Monte Carlo Tools for IMRT
    Chang Ming Ma; Fiscal Year: 2004
  4. Investigation of Monte Carlo Tools for IMRT
    Chang Ming Ma; Fiscal Year: 2005

Detail Information

Publications18

  1. ncbi request reprint Within the next decade conventional cyclotrons for proton radiotherapy will become obsolete and replaced by far less expensive machines using compact laser systems for the acceleration of the protons
    Chang Ming Charlie Ma
    Fox Chase Cancer Center Philadelphia, Pennsylvania 19111, USA
    Med Phys 33:571-3. 2006
  2. 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...
  3. doi request reprint Dose specification for radiation therapy: dose to water or dose to medium?
    C M Ma
    Radiation Oncology Department Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 56:3073-89. 2011
    ..Our results suggest that for consistency with previous radiation therapy experience Monte Carlo photon algorithms report dose to medium for radiotherapy dose prescription, treatment plan evaluation and treatment outcome analysis...
  4. ncbi request reprint In-room CT techniques for image-guided radiation therapy
    C M Charlie Ma
    Fox Chase Cancer Center, Philadelphia, PA, USA
    Med Dosim 31:30-9. 2006
    ..Clinical applications of the in-room CT systems for patient setup, target localization, and adaptive therapy are also reviewed for advanced radiotherapy treatments...
  5. ncbi request reprint Uncertainties in IMRT dosimetry
    Jin sheng Li
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 37:2491-500. 2010
    ..These characteristics include the accelerator source distribution and multileaf collimator (MLC) geometry...
  6. pmc Reduction of prostate intrafractional motion from shortening the treatment time
    Jin sheng Li
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Phys Med Biol 58:4921-32. 2013
    ..The intrafractional motion effects on prostate treatment are significantly smaller and the required margins can be therefore reduced when the treatment is shortened. ..
  7. ncbi request reprint Particle selection and beam collimation system for laser-accelerated proton beam therapy
    Wei Luo
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 32:794-806. 2005
    ..Dose distributions have also been calculated with the GEANT3 Monte Carlo code to study the dosimetric properties of the laser-accelerated proton beams for radiation therapy applications...
  8. ncbi request reprint Monte Carlo based IMRT dose verification using MLC log files and R/V outputs
    Wei Luo
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
    Med Phys 33:2557-64. 2006
    ..2 mm can result in a target dose error of about 1.0%...
  9. ncbi request reprint MRI-based treatment planning for radiotherapy: dosimetric verification for prostate IMRT
    Lili Chen
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
    Int J Radiat Oncol Biol Phys 60:636-47. 2004
    ..Furthermore, it will reduce treatment cost by avoiding redundant CT scans and save patient, staff, and machine time. The purpose of this study is to investigate the dosimetric accuracy of MRI-based treatment planning for prostate IMRT...
  10. doi request reprint Planning target volume-to-skin proximity for head-and-neck intensity modulated radiation therapy treatment planning
    Robert A Price
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania Electronic address
    Pract Radiat Oncol 4:e21-9. 2014
    ..The goal of this work is to evaluate planning target volume (PTV)-to-skin proximity versus plan quality as well as the effects of calculation voxel size on dose uncertainty in the surface region...
  11. doi request reprint Effect of gold marker seeds on magnetic resonance spectroscopy of the prostate
    Murshed Hossain
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
    Int J Radiat Oncol Biol Phys 83:451-8. 2012
    ..The purpose of this study was to quantify the effects of gold seeds on the quality of MRSI data acquired in phantom experiments...
  12. doi request reprint Gains from real-time tracking of prostate motion during external beam radiation therapy
    Jin sheng Li
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania, USA
    Int J Radiat Oncol Biol Phys 75:1613-20. 2009
    ..To study the gains from real-time tracking of prostate motion and threshold-based intervention and the feasibility of margin reduction for external beam radiation therapy of prostate cancer...
  13. ncbi request reprint Four-week course of radiation for breast cancer using hypofractionated intensity modulated radiation therapy with an incorporated boost
    Gary M Freedman
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Int J Radiat Oncol Biol Phys 68:347-53. 2007
    ..This is an inconvenience to many women, and for some a barrier for breast conservation. We present the acute toxicity of a 4-week course of hypofractionated radiation...
  14. ncbi request reprint Magnetic resonance-based treatment planning for prostate intensity-modulated radiotherapy: creation of digitally reconstructed radiographs
    Lili Chen
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Int J Radiat Oncol Biol Phys 68:903-11. 2007
    ....
  15. pmc Dosimetry and preliminary acute toxicity in the first 100 men treated for prostate cancer on a randomized hypofractionation dose escalation trial
    Alan Pollack
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Int J Radiat Oncol Biol Phys 64:518-26. 2006
    ..The dosimetry and acute toxicity are described in the first 100 men enrolled in a randomized trial...
  16. ncbi request reprint A method for increased dose conformity and segment reduction for SMLC delivered IMRT treatment of the prostate
    Robert A Price
    Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
    Int J Radiat Oncol Biol Phys 57:843-52. 2003
    ..The focus of this work is to develop a practical planning method that results in increased dose conformity and reduced treatment time for segmental multileaf collimation (sMLC) based intensity-modulated radiation therapy (IMRT) delivery...
  17. ncbi request reprint A new method to deliver supraclavicular radiation in breast radiotherapy for lung sparing
    Bo Yang
    Department of Radiation Oncology, Fourth Affliated Hospital of Suzhou University, Wuxi, China
    J Appl Clin Med Phys 12:3374. 2011
    ..The results of this study demonstrated that our new method is effective, and that the reduction of normal lung tissue volume in the field is significant...
  18. ncbi request reprint Photonuclear dose calculations for high-energy photon beams from Siemens and Varian linacs
    Omar Chibani
    Department of Radiation Oncology, Massy Cancer Center, Virginia Commonwealth University, 401 College Street, Richmond, Virginia 23298, USA
    Med Phys 30:1990-2000. 2003
    ..1, 1.1, and 2.0% likelihood of fatal secondary cancer for a 70 Gy treatment delivered by the Siemens 18 MV, Varian 15 MV, and Varian 18 MV beams, respectively...

Research Grants4

  1. MONTE CARLO TOOLS FOR IMRT
    Chang Ming Ma; Fiscal Year: 2001
    ..abstract_text> ..
  2. Investigation of Monte Carlo Tools for IMRT
    Chang Ming Ma; Fiscal Year: 2003
    ..The results will be used as reference materials in retrospective studies as well as ongoing clinical trials. ..
  3. Investigation of Monte Carlo Tools for IMRT
    Chang Ming Ma; Fiscal Year: 2004
    ..The results will be used as reference materials in retrospective studies as well as ongoing clinical trials. ..
  4. Investigation of Monte Carlo Tools for IMRT
    Chang Ming Ma; Fiscal Year: 2005
    ..The results will be used as reference materials in retrospective studies as well as ongoing clinical trials. ..