Richard Shaffer

Summary

Country: UK

Publications

  1. doi request reprint Volumetric modulated Arc therapy and conventional intensity-modulated radiotherapy for simultaneous maximal intraprostatic boost: a planning comparison study
    R Shaffer
    British Columbia Cancer Agency, 600 West 10th Avenue, Vancouver, British Columbia, Canada
    Clin Oncol (R Coll Radiol) 21:401-7. 2009
  2. doi request reprint Deriving prostate alpha-beta ratio using carefully matched groups, long follow-up and the phoenix definition of biochemical failure
    Richard Shaffer
    Department of Radiation Oncology, British Columbia Cancer Agency, Vancouver, British Columbia, Canada
    Int J Radiat Oncol Biol Phys 79:1029-36. 2011
  3. doi request reprint A radiotherapy planning study of RapidArc, intensity modulated radiotherapy, three-dimensional conformal radiotherapy, and parallel opposed beams in the treatment of pediatric retroperitoneal tumors
    Richard Shaffer
    Department of Radiation Oncology, BC Cancer Agency, Vancouver, British Columbia, Canada
    Pediatr Blood Cancer 56:16-23. 2011
  4. doi request reprint A comparison of volumetric modulated arc therapy and conventional intensity-modulated radiotherapy for frontal and temporal high-grade gliomas
    Richard Shaffer
    Department of Radiation Oncology, BC Cancer Agency, Vancouver, British Columbia V5Z 4E6, Canada
    Int J Radiat Oncol Biol Phys 76:1177-84. 2010
  5. doi request reprint Volumetric modulated arc therapy for delivery of prostate radiotherapy: comparison with intensity-modulated radiotherapy and three-dimensional conformal radiotherapy
    David Palma
    Radiation Oncology Program, British Columbia Cancer Agency, Vancouver, BC, Canada
    Int J Radiat Oncol Biol Phys 72:996-1001. 2008
  6. doi request reprint Volumetric modulated arc therapy improves dosimetry and reduces treatment time compared to conventional intensity-modulated radiotherapy for locoregional radiotherapy of left-sided breast cancer and internal mammary nodes
    Carmen C Popescu
    Radiation Therapy Program, British Columbia Cancer Agency Vancouver Island Centre, Victoria, British Columbia, Canada
    Int J Radiat Oncol Biol Phys 76:287-95. 2010
  7. doi request reprint Quadrant dosimetry as a predictor of biochemical relapse in 125I prostate brachytherapy
    Ingrid Spadinger
    Provincial Prostate Brachytherapy Program, Department of Medical Physics, BC Cancer Agency, Vancouver, British Columbia, Canada
    Brachytherapy 10:87-97. 2011

Detail Information

Publications7

  1. doi request reprint Volumetric modulated Arc therapy and conventional intensity-modulated radiotherapy for simultaneous maximal intraprostatic boost: a planning comparison study
    R Shaffer
    British Columbia Cancer Agency, 600 West 10th Avenue, Vancouver, British Columbia, Canada
    Clin Oncol (R Coll Radiol) 21:401-7. 2009
    ..8Gy without exceeding organ at risk (OAR) dose-volume constraints...
  2. doi request reprint Deriving prostate alpha-beta ratio using carefully matched groups, long follow-up and the phoenix definition of biochemical failure
    Richard Shaffer
    Department of Radiation Oncology, British Columbia Cancer Agency, Vancouver, British Columbia, Canada
    Int J Radiat Oncol Biol Phys 79:1029-36. 2011
    ..Prior studies have derived low values of alpha-beta ratio (a/ß) for prostate cancer of approximately 1-2 Gy. These studies used poorly matched groups, differing definitions of biochemical failure, and insufficient follow-up...
  3. doi request reprint A radiotherapy planning study of RapidArc, intensity modulated radiotherapy, three-dimensional conformal radiotherapy, and parallel opposed beams in the treatment of pediatric retroperitoneal tumors
    Richard Shaffer
    Department of Radiation Oncology, BC Cancer Agency, Vancouver, British Columbia, Canada
    Pediatr Blood Cancer 56:16-23. 2011
    ..This planning study compared RapidArc, fixed-field IMRT (cIMRT), 3D conformal radiotherapy (3D-CRT), and a parallel-opposed pair (POP) for children with retroperitoneal tumors...
  4. doi request reprint A comparison of volumetric modulated arc therapy and conventional intensity-modulated radiotherapy for frontal and temporal high-grade gliomas
    Richard Shaffer
    Department of Radiation Oncology, BC Cancer Agency, Vancouver, British Columbia V5Z 4E6, Canada
    Int J Radiat Oncol Biol Phys 76:1177-84. 2010
    ..This planning study compared seven-field coplanar IMRT (cIMRT) with VMAT for high-grade gliomas that had planning target volumes (PTVs) overlapping organs at risk (OARs)...
  5. doi request reprint Volumetric modulated arc therapy for delivery of prostate radiotherapy: comparison with intensity-modulated radiotherapy and three-dimensional conformal radiotherapy
    David Palma
    Radiation Oncology Program, British Columbia Cancer Agency, Vancouver, BC, Canada
    Int J Radiat Oncol Biol Phys 72:996-1001. 2008
    ..The goal of this study was to compare VMAT prostate RT plans with three-dimensional conformal RT (3D-CRT) and IMRT plans...
  6. doi request reprint Volumetric modulated arc therapy improves dosimetry and reduces treatment time compared to conventional intensity-modulated radiotherapy for locoregional radiotherapy of left-sided breast cancer and internal mammary nodes
    Carmen C Popescu
    Radiation Therapy Program, British Columbia Cancer Agency Vancouver Island Centre, Victoria, British Columbia, Canada
    Int J Radiat Oncol Biol Phys 76:287-95. 2010
    ..This study compared VMAT with cIMRT and with conventional modified wide-tangent (MWT) techniques for locoregional radiotherapy for left-sided breast cancer, including internal mammary nodes...
  7. doi request reprint Quadrant dosimetry as a predictor of biochemical relapse in 125I prostate brachytherapy
    Ingrid Spadinger
    Provincial Prostate Brachytherapy Program, Department of Medical Physics, BC Cancer Agency, Vancouver, British Columbia, Canada
    Brachytherapy 10:87-97. 2011
    ..To evaluate region-specific dose metrics as predictors of biochemical relapse in prostate brachytherapy patients...