Geoffrey D Hugo

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi request reprint An evaluation of gating window size, delivery method, and composite field dosimetry of respiratory-gated IMRT
    Geoffrey D Hugo
    Department of Radiation Oncology, UCLA School of Medicine, Los Angeles, California 90095, USA
    Med Phys 29:2517-25. 2002
  2. ncbi request reprint The effects of tumor motion on planning and delivery of respiratory-gated IMRT
    Geoffrey D Hugo
    Department of Radiation Oncology, UCLA School of Medicine, Los Angeles, California 90095, USA
    Med Phys 30:1052-66. 2003
  3. pmc On-line target position localization in the presence of respiration: a comparison of two methods
    Geoffrey D Hugo
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI 48073, USA
    Int J Radiat Oncol Biol Phys 69:1634-41. 2007
  4. pmc Tumor, lymph node, and lymph node-to-tumor displacements over a radiotherapy series: analysis of interfraction and intrafraction variations using active breathing control (ABC) in lung cancer
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 82:e639-45. 2012
  5. pmc Classifying geometric variability by dominant eigenmodes of deformation in regressing tumours during active breath-hold lung cancer radiotherapy
    Ahmed M Badawi
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA
    Phys Med Biol 57:395-413. 2012
  6. doi request reprint Planning study comparison of real-time target tracking and four-dimensional inverse planning for managing patient respiratory motion
    Peng Zhang
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI 48073, USA
    Int J Radiat Oncol Biol Phys 72:1221-7. 2008
  7. pmc Cumulative lung dose for several motion management strategies as a function of pretreatment patient parameters
    Geoffrey D Hugo
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI, USA
    Int J Radiat Oncol Biol Phys 74:593-601. 2009
  8. pmc Quality and accuracy of cone beam computed tomography gated by active breathing control
    Bria P Thompson
    Department of Radiation Oncology, Wayne State University, Detroit, Michigan 48201, USA
    Med Phys 35:5595-608. 2008
  9. pmc Anatomic and pathologic variability during radiotherapy for a hybrid active breath-hold gating technique
    Carri K Glide-Hurst
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI, USA
    Int J Radiat Oncol Biol Phys 77:910-7. 2010
  10. pmc Evaluation of 4-dimensional computed tomography to 4-dimensional cone-beam computed tomography deformable image registration for lung cancer adaptive radiation therapy
    Salim Balik
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia, USA
    Int J Radiat Oncol Biol Phys 86:372-9. 2013

Detail Information

Publications21

  1. ncbi request reprint An evaluation of gating window size, delivery method, and composite field dosimetry of respiratory-gated IMRT
    Geoffrey D Hugo
    Department of Radiation Oncology, UCLA School of Medicine, Los Angeles, California 90095, USA
    Med Phys 29:2517-25. 2002
    ..For multiple field IMRT delivery, the largest errors were generated in regions where high field modulation was present parallel to the axis of motion. Gating was found to reduce these large errors to clinically acceptable levels...
  2. ncbi request reprint The effects of tumor motion on planning and delivery of respiratory-gated IMRT
    Geoffrey D Hugo
    Department of Radiation Oncology, UCLA School of Medicine, Los Angeles, California 90095, USA
    Med Phys 30:1052-66. 2003
    ..The utilization of gating for IMRT treatment, including imaging, planning, and delivery, significantly reduces the errors introduced by object motion...
  3. pmc On-line target position localization in the presence of respiration: a comparison of two methods
    Geoffrey D Hugo
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI 48073, USA
    Int J Radiat Oncol Biol Phys 69:1634-41. 2007
    ..To compare two "four-dimensional" methods for image-guided target localization in the presence of respiration...
  4. pmc Tumor, lymph node, and lymph node-to-tumor displacements over a radiotherapy series: analysis of interfraction and intrafraction variations using active breathing control (ABC) in lung cancer
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 82:e639-45. 2012
    ....
  5. pmc Classifying geometric variability by dominant eigenmodes of deformation in regressing tumours during active breath-hold lung cancer radiotherapy
    Ahmed M Badawi
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA
    Phys Med Biol 57:395-413. 2012
    ..The trending-only model preserved GTV and shape relative to the original GTVs, while reducing spurious positional variability. The classification scheme appears feasible for separating types of geometric variability by time trend...
  6. doi request reprint Planning study comparison of real-time target tracking and four-dimensional inverse planning for managing patient respiratory motion
    Peng Zhang
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI 48073, USA
    Int J Radiat Oncol Biol Phys 72:1221-7. 2008
    ..In this study, we evaluated each method using the cumulative dose-volume criteria in lung cancer radiotherapy...
  7. pmc Cumulative lung dose for several motion management strategies as a function of pretreatment patient parameters
    Geoffrey D Hugo
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI, USA
    Int J Radiat Oncol Biol Phys 74:593-601. 2009
    ..To evaluate patient parameters that may predict for relative differences in cumulative four-dimensional (4D) lung dose among several motion management strategies...
  8. pmc Quality and accuracy of cone beam computed tomography gated by active breathing control
    Bria P Thompson
    Department of Radiation Oncology, Wayne State University, Detroit, Michigan 48201, USA
    Med Phys 35:5595-608. 2008
    ..Gantry angle accuracy was within 1 degrees for all scans. For high-contrast targets, performance for image-guidance purposes was similar for fast and conventional ABC-CBCT scans and respiration correlated CBCT...
  9. pmc Anatomic and pathologic variability during radiotherapy for a hybrid active breath-hold gating technique
    Carri K Glide-Hurst
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI, USA
    Int J Radiat Oncol Biol Phys 77:910-7. 2010
    ..To evaluate intra- and interfraction variability of tumor and lung volume and position using a hybrid active breath-hold gating technique...
  10. pmc Evaluation of 4-dimensional computed tomography to 4-dimensional cone-beam computed tomography deformable image registration for lung cancer adaptive radiation therapy
    Salim Balik
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia, USA
    Int J Radiat Oncol Biol Phys 86:372-9. 2013
    ..To evaluate 2 deformable image registration (DIR) algorithms for the purpose of contour mapping to support image-guided adaptive radiation therapy with 4-dimensional cone-beam CT (4DCBCT)...
  11. doi request reprint Interfractional positional variability of fiducial markers and primary tumors in locally advanced non-small-cell lung cancer during audiovisual biofeedback radiotherapy
    Nicholas O Roman
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA
    Int J Radiat Oncol Biol Phys 83:1566-72. 2012
    ..To evaluate implanted markers as a surrogate for tumor-based setup during image-guided lung cancer radiotherapy with audiovisual biofeedback...
  12. pmc Localization accuracy of the clinical target volume during image-guided radiotherapy of lung cancer
    Geoffrey D Hugo
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 81:560-7. 2011
    ....
  13. doi request reprint Dosimetric advantages of four-dimensional adaptive image-guided radiotherapy for lung tumors using online cone-beam computed tomography
    Asif Harsolia
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI 48073, USA
    Int J Radiat Oncol Biol Phys 70:582-9. 2008
    ....
  14. pmc Marker-free lung tumor trajectory estimation from a cone beam CT sinogram
    Geoffrey D Hugo
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA
    Phys Med Biol 55:2637-50. 2010
    ..In two research subjects with peripheral tumors, the mean position and mean target excursion were estimated to within 2.0 mm compared to the results obtained with a '4D' registration of 4D image volumes...
  15. pmc Deformable mesh registration for the validation of automatic target localization algorithms
    Scott Robertson
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Med Phys 40:071721. 2013
    ..To evaluate deformable mesh registration (DMR) as a tool for validating automatic target registration algorithms used during image-guided radiation therapy...
  16. pmc Localization accuracy from automatic and semi-automatic rigid registration of locally-advanced lung cancer targets during image-guided radiation therapy
    Scott P Robertson
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Med Phys 39:330-41. 2012
    ..To evaluate localization accuracy resulting from rigid registration of locally-advanced lung cancer targets using fully automatic and semi-automatic protocols for image-guided radiation therapy...
  17. pmc Bow-tie wobble artifact: effect of source assembly motion on cone-beam CT
    Dandan Zheng
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Med Phys 38:2508-14. 2011
    ..To investigate the cause of a bow-tie wobble artifact (BWA) discovered on Varian OBI CBCT images and to develop practical correction strategies...
  18. ncbi request reprint Population and patient-specific target margins for 4D adaptive radiotherapy to account for intra- and inter-fraction variation in lung tumour position
    Geoffrey D Hugo
    Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI, USA
    Phys Med Biol 52:257-74. 2007
    ..A daily online correction strategy would be useful for patients who exhibit large variations in the daily mean tumour position, while an offline adaptive strategy is more applicable to patients with less variation...
  19. doi request reprint Advances in 4D radiation therapy for managing respiration: part I - 4D imaging
    Geoffrey D Hugo
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Z Med Phys 22:258-71. 2012
    ..Finally, strategies to construct 4D targets and images and, alternatively, to compress 4D information into static targets and images for radiation therapy planning are described...
  20. doi request reprint Advances in 4D radiation therapy for managing respiration: part II - 4D treatment planning
    Mihaela Rosu
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Z Med Phys 22:272-80. 2012
    ....
  21. pmc Optimizing principal component models for representing interfraction variation in lung cancer radiotherapy
    Ahmed M Badawi
    Department of Radiation Oncology, Virginia Commonwealth University, 401 College Street, P O Box 980054, Richmond, Virginia 23298, USA
    Med Phys 37:5080-91. 2010
    ..To optimize modeling of interfractional anatomical variation during active breath-hold radiotherapy in lung cancer using principal component analysis (PCA)...