Elisabeth Weiss

Summary

Affiliation: Virginia Commonwealth University
Country: USA

Publications

  1. ncbi Letter to the editor concerning Hurkmans et al., Radiother Oncol 2001;58:105-120
    Elisabeth Weiss
    Radiother Oncol 62:113-4. 2002
  2. ncbi 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
  3. ncbi Is there a selection bias in radiotherapy dose-escalation protocols?
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 68:1359-65. 2007
  4. ncbi An analysis of 6-MV versus 18-MV photon energy plans for intensity-modulated radiation therapy (IMRT) of lung cancer
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Radiother Oncol 82:55-62. 2007
  5. ncbi Tumor and normal tissue motion in the thorax during respiration: Analysis of volumetric and positional variations using 4D CT
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 67:296-307. 2007
  6. ncbi 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
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 70:572-581. 2008
  7. ncbi Clinical evaluation of soft tissue organ boundary visualization on cone-beam computed tomographic imaging
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 78:929-36. 2010
  8. ncbi Esophagus and spinal cord motion relative to GTV motion in four-dimensional CTs of lung cancer patients
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Radiother Oncol 87:44-8. 2008
  9. ncbi A deliverable four-dimensional intensity-modulated radiation therapy-planning method for dynamic multileaf collimator tumor tracking delivery
    Yelin Suh
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA
    Int J Radiat Oncol Biol Phys 71:1526-36. 2008
  10. ncbi 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

Collaborators

Detail Information

Publications36

  1. ncbi Letter to the editor concerning Hurkmans et al., Radiother Oncol 2001;58:105-120
    Elisabeth Weiss
    Radiother Oncol 62:113-4. 2002
  2. ncbi 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
    ....
  3. ncbi Is there a selection bias in radiotherapy dose-escalation protocols?
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 68:1359-65. 2007
    ..Since tumor dose and normal tissue constraints are competing demands, a point will be reached at which the tumor dose cannot be increased without exceeding normal tissue constraints...
  4. ncbi An analysis of 6-MV versus 18-MV photon energy plans for intensity-modulated radiation therapy (IMRT) of lung cancer
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Radiother Oncol 82:55-62. 2007
    ..To analyse the supposed benefits of low over high photon energies for the radiotherapy of lung cancer...
  5. ncbi Tumor and normal tissue motion in the thorax during respiration: Analysis of volumetric and positional variations using 4D CT
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 67:296-307. 2007
    ..Only volumetrically complete structures were used for analysis (lung in 2, heart in 8, all other structures in >10 patients)...
  6. ncbi 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
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 70:572-581. 2008
    ..To evaluate the implications of differences between contours drawn manually and contours generated automatically by deformable image registration for four-dimensional (4D) treatment planning...
  7. ncbi Clinical evaluation of soft tissue organ boundary visualization on cone-beam computed tomographic imaging
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Int J Radiat Oncol Biol Phys 78:929-36. 2010
    ..However, CBCT image quality is limited by low contrast and imaging artifacts. This analysis investigates the detectability of soft tissue boundaries in CBCT by performing a multiple-observer segmentation study...
  8. ncbi Esophagus and spinal cord motion relative to GTV motion in four-dimensional CTs of lung cancer patients
    Elisabeth Weiss
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Radiother Oncol 87:44-8. 2008
    ..Depending on the tumor location and treatment technique, variations might become important for treatment planning...
  9. ncbi A deliverable four-dimensional intensity-modulated radiation therapy-planning method for dynamic multileaf collimator tumor tracking delivery
    Yelin Suh
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA
    Int J Radiat Oncol Biol Phys 71:1526-36. 2008
    ..To develop a deliverable four-dimensional (4D) intensity-modulated radiation therapy (IMRT) planning method for dynamic multileaf collimator (MLC) tumor tracking delivery...
  10. ncbi 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...
  11. ncbi Development of a population-based model of surface segmentation uncertainties for uncertainty-weighted deformable image registrations
    Jian Wu
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Med Phys 37:607-14. 2010
    ..To develop a population-based model of surface segmentation uncertainties for uncertainty-weighted surface-based deformable registrations...
  12. ncbi Reconstruction of brachytherapy seed positions and orientations from cone-beam CT x-ray projections via a novel iterative forward projection matching method
    Damodar Pokhrel
    Department of Radiation Oncology, School of Medicine, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Med Phys 38:474-86. 2011
    ..To generalize and experimentally validate a novel algorithm for reconstructing the 3D pose (position and orientation) of implanted brachytherapy seeds from a set of a few measured 2D cone-beam CT (CBCT) x-ray projections...
  13. ncbi Localizing intracavitary brachytherapy applicators from cone-beam CT x-ray projections via a novel iterative forward projection matching algorithm
    Damodar Pokhrel
    Department of Radiation Oncology, School of Medicine, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Med Phys 38:1070-80. 2011
    ..To present a novel method for reconstructing the 3D pose (position and orientation) of radio-opaque applicators of known but arbitrary shape from a small set of 2D x-ray projections in support of intraoperative brachytherapy planning...
  14. ncbi Audio-visual biofeedback for respiratory-gated radiotherapy: impact of audio instruction and audio-visual biofeedback on respiratory-gated radiotherapy
    Rohini George
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA
    Int J Radiat Oncol Biol Phys 65:924-33. 2006
    ..CONCLUSIONS: The efficiency and reproducibility of gating can be improved by: incorporating audio-visual biofeedback, using a 30-50% duty cycle, gating during exhalation, and using displacement-based gating...
  15. ncbi 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...
  16. ncbi 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)...
  17. ncbi A distance to dose difference tool for estimating the required spatial accuracy of a displacement vector field
    Nahla K Saleh-Sayah
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Med Phys 38:2318-23. 2011
    ..To introduce a tool, termed distance to dose difference (DTD), which estimates the required spatial accuracy of displacement vector fields (DVFs) used for mapping four dimensional dose values...
  18. ncbi 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
    ....
  19. ncbi Clinical application and validation of an iterative forward projection matching algorithm for permanent brachytherapy seed localization from conebeam-CT x-ray projections
    Damodar Pokhrel
    Department of Radiation Oncology, School of Medicine, Virginia Commonwealth University, Richmond, Virginia 23298, USA
    Med Phys 37:5092-101. 2010
    ..To experimentally validate a new algorithm for reconstructing the 3D positions of implanted brachytherapy seeds from postoperatively acquired 2D conebeam-CT (CBCT) projection images...
  20. ncbi The development and investigation of a prototype three-dimensional compensator for whole brain radiation therapy
    Paul Keall
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, USA
    Phys Med Biol 53:2267-76. 2008
    ..The wedge gives a more uniform dose distribution than commonly used techniques. Further development and shape optimization may be necessary prior to clinical implementation...
  21. ncbi Assessment of dose reconstruction errors in image-guided radiation therapy
    Hualiang Zhong
    Virginia Commonwealth University, Richmond, VA 23298, USA
    Phys Med Biol 53:719-36. 2008
    ..It allows an automatic validation method to be developed to estimate the dose accumulation error at each voxel in clinical settings...
  22. ncbi The clinical implementation of respiratory-gated intensity-modulated radiotherapy
    Paul Keall
    Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA 23298, USA
    Med Dosim 31:152-62. 2006
    ..We are currently evaluating whether superior tumor coverage and limited normal tissue dosing will lead to improvements in local control and survival in non-small cell lung cancer...
  23. ncbi Letter to the editor concerning Senan et al., [Radiother Oncol 2004;71:139-146]
    Elisabeth Weiss
    Radiother Oncol 74:346-7. 2005
  24. ncbi Lack of interferon beta-induced radiosensitization in four out of five human glioblastoma cell lines
    Heinz Schmidberger
    Department of Radiation Oncology, Georg August Universitat Gottingen, Gottingen, Germany
    Int J Radiat Oncol Biol Phys 55:1348-57. 2003
    ..To investigate the potential of interferon beta to enhance the cytotoxic activity of ionizing irradiation against glioma cells, and to elucidate the possible mechanisms responsible for conflicting clinical results...
  25. ncbi Primary intraspinal primitive neuroectodermal tumor: report of two cases and review of the literature
    Clemens F Albrecht
    Department of Radiotherapy, University of Goettingen, Goettingen, Germany
    J Neurooncol 61:113-20. 2003
    ..We report on two women with primary intraspinal PNETs and review the literature. We describe the typical course of the disease, compare our patients to the other 17 cases reported until today, and discuss therapeutic options...
  26. ncbi The impact of gross tumor volume (GTV) and clinical target volume (CTV) definition on the total accuracy in radiotherapy theoretical aspects and practical experiences
    Elisabeth Weiss
    Department of Radiation Therapy, University of Gottingen, Germany
    Strahlenther Onkol 179:21-30. 2003
    ..To evaluate the impact of interobserver variability in the contouring of gross tumor volumes (GTVs) and clinical target volumes (CTVs) on the global geometric accuracy in radiation therapy...
  27. ncbi The impact of patient positioning on the adequate coverage of the uterus in the primary irradiation of cervical carcinoma: a prospective analysis using magnetic resonance imaging
    Elisabeth Weiss
    Department of Radiotherapy, University of Goettingen, Robert-Koch Strasse 40, Goettingen, Germany
    Radiother Oncol 63:83-7. 2002
    ..CONCLUSIONS: The use of standard radiation fields results in a high percentage of geographical misfits. Three-dimensional treatment planning is a prerequisite for adequate uterus coverage...
  28. ncbi Interfractional and intrafractional accuracy during radiotherapy of gynecologic carcinomas: a comprehensive evaluation using the ExacTrac system
    Elisabeth Weiss
    Department of Radiotherapy, University of Goettingen, Goettingen, Germany
    Int J Radiat Oncol Biol Phys 56:69-79. 2003
    ....
  29. ncbi Conformal radiotherapy planning of cervix carcinoma: differences in the delineation of the clinical target volume. A comparison between gynaecologic and radiation oncologists
    Elisabeth Weiss
    Department of Radiotherapy, , University of Goettingen, Robert-Koch-Strasse 40, Germany
    Radiother Oncol 67:87-95. 2003
    ..Compared to other factors, e.g. set-up and organ motion, interobserver variability in CTV definition seems to have the highest impact on the geometrical accuracy in the radiotherapy of this tumour entity...
  30. ncbi Radiation therapy of the pelvic and paraaortic lymph nodes in cervical carcinoma: a prospective three-dimensional analysis of patient positioning and treatment technique
    Elisabeth Weiss
    Department of Radiotherapy, University of Goettingen, Goettingen, Germany
    Radiother Oncol 68:41-9. 2003
    ....
  31. ncbi Therapeutic outcome and prognostic factors in the radiotherapy of recurrences of cervical carcinoma following surgery
    Andrea Hille
    Department of Radiotherapy, University of Gottingen, Germany
    Strahlenther Onkol 179:742-7. 2003
    ..To evaluate the efficacy of radiotherapy in patients with recurrences of cervical carcinoma...
  32. ncbi The significance of a uniform definition of pathological lymph nodes in Hodgkin lymphoma: impact of different thresholds for positive lymph nodes in CT imaging on staging and therapy
    Hilke Vorwerk
    Department of Radiotherapy, University of Gottingen, Gottingen, Germany
    Radiother Oncol 87:74-81. 2008
    ....
  33. ncbi Effect of pentoxifylline and tocopherol on radiation proctitis/enteritis
    Andrea Hille
    Department of Radiotherapy and Radiation Oncology, University of Goettingen, Germany
    Strahlenther Onkol 181:606-14. 2005
    ..In a retrospective analysis the clinical benefit of the treatment with pentoxifylline/tocopherol on radiation-induced proctitis/enteritis was evaluated, compared to supportive care only...
  34. ncbi Comparison of the combined action of oxaliplatin or cisplatin and radiation in cervical and lung cancer cells
    Margret Rave-Frank
    Georg August Universität Göttingen Bereich Humanmedizin, Klinik fur Strahlentherapie und Radioonkologie, Gottingen, Germany
    Int J Radiat Biol 83:41-7. 2007
    ..To test the combined effects of oxaliplatin and radiation versus cisplatin and radiation using human cervical and lung cancer cell lines...
  35. ncbi The impact of varying volumes in rectal balloons on rectal dose sparing in conformal radiation therapy of prostate cancer. A prospective three-dimensional analysis
    Andrea Hille
    Klinik fur Strahlentherapie und Radioonkologie, Robert Koch Strasse 40, 37075 Gottingen, Germany
    Strahlenther Onkol 181:709-16. 2005
    ..The purpose of this analysis was to quantitatively assess the optimal volume in rectal balloons concerning rectal dose sparing in different clinical target volumes (CTVs) in prostate cancer irradiation...
  36. ncbi Comment by E. Weiss and C. F. Hess on G. M. Villeirs et al. "Interobserver delineation variation using CT versus combined CT + MRI in intensity-modulated radiotherapy for prostate cancer" in: Strahlenther Onkol 2005;181:424-30 (No. 7)
    Elisabeth Weiss
    Strahlenther Onkol 181:743-4; author reply 745-6. 2005