Wu Liu

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. pmc Acoustic backscatter and effective scatterer size estimates using a 2D CMUT transducer
    W Liu
    Department of Medical Physics, University of Wisconsin Madison, 1300 University Avenue, 1530 MSC, Madison, WI 53706, USA
    Phys Med Biol 53:4169-83. 2008
  2. pmc Trade-offs in data acquisition and processing parameters for backscatter and scatterer size estimations
    Wu Liu
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI, USA
    IEEE Trans Ultrason Ferroelectr Freq Control 57:340-52. 2010
  3. doi request reprint Real-time 3D internal marker tracking during arc radiotherapy by the use of combined MV-kV imaging
    W Liu
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305 5847, USA
    Phys Med Biol 53:7197-213. 2008
  4. pmc Segmentation of elastographic images using a coarse-to-fine active contour model
    Wu Liu
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI 53706 1532, USA
    Ultrasound Med Biol 32:397-408. 2006
  5. doi request reprint A failure detection strategy for intrafraction prostate motion monitoring with on-board imagers for fixed-gantry IMRT
    Wu Liu
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, USA
    Int J Radiat Oncol Biol Phys 78:904-11. 2010
  6. doi request reprint Dose reconstruction for volumetric modulated arc therapy (VMAT) using cone-beam CT and dynamic log files
    Jianguo Qian
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA
    Phys Med Biol 55:3597-610. 2010
  7. pmc Dose verification for respiratory-gated volumetric modulated arc therapy
    Jianguo Qian
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA
    Phys Med Biol 56:4827-38. 2011
  8. ncbi request reprint Monitoring stiffness changes in lesions after radiofrequency ablation at different temperatures and durations of ablation
    Shyam Bharat
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI 53706, USA
    Ultrasound Med Biol 31:415-22. 2005
  9. ncbi request reprint Spectral and scatterer-size correlation during angular compounding: simulations and experimental studies
    W Liu
    Department of Medical Physics, University of Wisconsin, 1300 University Avenue, Room 1530 MSC, Madison, WI 53706, USA
    Ultrason Imaging 28:230-44. 2006
  10. pmc Clinical development of a failure detection-based online repositioning strategy for prostate IMRT--experiments, simulation, and dosimetry study
    Wu Liu
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305 5847, USA
    Med Phys 37:5287-97. 2010

Collaborators

Detail Information

Publications16

  1. pmc Acoustic backscatter and effective scatterer size estimates using a 2D CMUT transducer
    W Liu
    Department of Medical Physics, University of Wisconsin Madison, 1300 University Avenue, 1530 MSC, Madison, WI 53706, USA
    Phys Med Biol 53:4169-83. 2008
    ..Using an experimentally estimated attenuation of 0.6 dB cm(-1) MHz(-1), scatterer size estimates for an in vivo breast tumor also demonstrate improvements using elevational compounding with data from the 2D CMUT transducer...
  2. pmc Trade-offs in data acquisition and processing parameters for backscatter and scatterer size estimations
    Wu Liu
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI, USA
    IEEE Trans Ultrason Ferroelectr Freq Control 57:340-52. 2010
    ....
  3. doi request reprint Real-time 3D internal marker tracking during arc radiotherapy by the use of combined MV-kV imaging
    W Liu
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305 5847, USA
    Phys Med Biol 53:7197-213. 2008
    ..4 Hz. In general, highly accurate real-time tracking of implanted markers using hybrid MV-kV imaging is achievable and the technique should be useful to improve the beam targeting accuracy of arc therapy...
  4. pmc Segmentation of elastographic images using a coarse-to-fine active contour model
    Wu Liu
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI 53706 1532, USA
    Ultrasound Med Biol 32:397-408. 2006
    ..96 for the same 36 lesions). This algorithm has also been successfully applied on in vivo elastograms...
  5. doi request reprint A failure detection strategy for intrafraction prostate motion monitoring with on-board imagers for fixed-gantry IMRT
    Wu Liu
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, USA
    Int J Radiat Oncol Biol Phys 78:904-11. 2010
    ....
  6. doi request reprint Dose reconstruction for volumetric modulated arc therapy (VMAT) using cone-beam CT and dynamic log files
    Jianguo Qian
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA
    Phys Med Biol 55:3597-610. 2010
    ..The method reported here affords an objective means for dosimetric evaluation of VMAT delivery and is useful for adaptive VMAT in future...
  7. pmc Dose verification for respiratory-gated volumetric modulated arc therapy
    Jianguo Qian
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA
    Phys Med Biol 56:4827-38. 2011
    ..This methodology affords a useful tool for machine- and patient-specific quality assurance of the newly available respiratory-gated VMAT...
  8. ncbi request reprint Monitoring stiffness changes in lesions after radiofrequency ablation at different temperatures and durations of ablation
    Shyam Bharat
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI 53706, USA
    Ultrasound Med Biol 31:415-22. 2005
    ....
  9. ncbi request reprint Spectral and scatterer-size correlation during angular compounding: simulations and experimental studies
    W Liu
    Department of Medical Physics, University of Wisconsin, 1300 University Avenue, Room 1530 MSC, Madison, WI 53706, USA
    Ultrason Imaging 28:230-44. 2006
    ..Theoretical predictions can provide estimates of expected correlations between angular acquisitions when compounding with other transducers...
  10. pmc Clinical development of a failure detection-based online repositioning strategy for prostate IMRT--experiments, simulation, and dosimetry study
    Wu Liu
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305 5847, USA
    Med Phys 37:5287-97. 2010
    ..To implement and evaluate clinic-ready adaptive imaging protocols for online patient repositioning (motion tracking) during prostate IMRT using treatment beam imaging supplemented by minimal, as-needed use of on-board kV...
  11. doi request reprint Optimized hybrid megavoltage-kilovoltage imaging protocol for volumetric prostate arc therapy
    Wu Liu
    Department of Radiation Oncology, Stanford University School of Medicine, California 94305 5847, USA
    Int J Radiat Oncol Biol Phys 78:595-604. 2010
    ..To develop a real-time prostate position monitoring technique for modern arc radiotherapy through novel use of cine-megavoltage (MV) imaging, together with as-needed kilovoltage (kV) imaging...
  12. ncbi request reprint Elastographic versus x-ray CT imaging of radio frequency ablation coagulations: an in vitro study
    Wu Liu
    Department of Medical Physics, University of Wisconsin Madison, 1300 University Avenue, 1530 MSC, Madison, Wisconsin 53706, USA
    Med Phys 31:1322-32. 2004
    ..94 for volume estimation, r = 0.87 for area estimation) is better than the correlation between pathology and CT (r = 0.89 for volume estimation, r = 0.82 for area estimation)...
  13. ncbi request reprint Semiautomated thermal lesion segmentation for three-dimensional elastographic imaging
    U Techavipoo
    Departmet of Medical Physics, The University of Wisconsin Madison, Madison, WI 53706, USA
    Ultrasound Med Biol 30:655-64. 2004
    ..However, area and volume estimates obtained using both manual and semiautomated segmentation of lesions seen on elastograms slightly underestimate areas and volumes measured from pathology...
  14. pmc Overexpression of VEGF121, but not VEGF165 or FGF-1, improves oxygenation in MCF-7 breast tumours
    B M Fenton
    Department of Radiation Oncology, University of Rochester Medical Center, Box 704, Rochester, NY 14642, USA
    Br J Cancer 90:430-5. 2004
    ..If antiangiogenic agents are also combined with conventional therapies such as irradiation or chemotherapy, microregional deficiencies in oxygenation could play a key role in ultimate therapeutic success...
  15. ncbi request reprint Up-regulation of Akt3 in estrogen receptor-deficient breast cancers and androgen-independent prostate cancer lines
    K Nakatani
    Departments of Molecular Pharmacology, Stanford University School of Medicine, Stanford, California 94305, USA
    J Biol Chem 274:21528-32. 1999
    ..These results indicate that Akt3 may contribute to the more aggressive clinical phenotype of the estrogen receptor-negative breast cancers and androgen-insensitive prostate carcinomas...
  16. pmc The cysteine-rich domain of human ADAM 12 supports cell adhesion through syndecans and triggers signaling events that lead to beta1 integrin-dependent cell spreading
    K Iba
    The Institute of Molecular Pathology, University of Copenhagen, 2100 Copenhagen, Denmark
    J Cell Biol 149:1143-56. 2000
    ....