P H Pretorius

Summary

Affiliation: University of Massachusetts Medical School
Country: USA

Publications

  1. ncbi request reprint The influence of attenuation and scatter compensation on the apparent distribution of Tc-99m sestamibi in cardiac slices
    P H Pretorius
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, Boston 01655, USA
    J Nucl Cardiol 8:356-64. 2001
  2. pmc Diminishing the impact of the partial volume effect in cardiac SPECT perfusion imaging
    P Hendrik Pretorius
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, Massachusetts 01655, USA
    Med Phys 36:105-15. 2009
  3. ncbi request reprint Myocardial perfusion SPECT reconstruction: receiver operating characteristic comparison of CAD detection accuracy of filtered backprojection reconstruction with all of the clinical imaging information available to readers and solely stress slices iterativ
    P Hendrik Pretorius
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, Worcester 01655, USA
    J Nucl Cardiol 12:284-93. 2005
  4. ncbi request reprint A comparison of human and model observers in multislice LROC studies
    Howard C Gifford
    University of Massachusetts Medical School, Worcester, MA 01655, USA
    IEEE Trans Med Imaging 24:160-9. 2005
  5. ncbi request reprint A mathematical model of motion of the heart for use in generating source and attenuation maps for simulating emission imaging
    P H Pretorius
    Department of Nuclear Medicine, University of Massachusetts Medical Center, Worcester 01655, USA
    Med Phys 26:2323-32. 1999
  6. ncbi request reprint Improved image quality and computation reduction in 4-D reconstruction of cardiac-gated SPECT images
    M V Narayanan
    University of Massachusetts Medical School, Worcester 01655, USA
    IEEE Trans Med Imaging 19:423-33. 2000
  7. pmc Replacing 99mTc with 111In improves MORF/cMORF pretargeting by reducing intestinal accumulation
    Guozheng Liu
    Division of Nuclear Medicine, Department of Radiology, University of Massachusetts Medical School, 55 Lake Ave North, Worcester, MA 01655 0243, USA
    Mol Imaging Biol 11:303-7. 2009
  8. pmc Pretargeting CWR22 prostate tumor in mice with MORF-B72.3 antibody and radiolabeled cMORF
    Guozheng Liu
    Division of Nuclear Medicine, Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655 0243, USA
    Eur J Nucl Med Mol Imaging 35:272-80. 2008
  9. ncbi request reprint Synthesis and testing of a binary catalytic system for imaging of signal amplification in vivo
    Alexei Bogdanov
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Bioconjug Chem 18:1123-30. 2007
  10. ncbi request reprint Simultaneous assessment of cardiac perfusion and function using 5-dimensional imaging with Tc-99m teboroxime
    Bing Feng
    Department of Radiology, University of Massachusetts Medical School, Worcester, 01655, USA
    J Nucl Cardiol 13:354-61. 2006

Detail Information

Publications16

  1. ncbi request reprint The influence of attenuation and scatter compensation on the apparent distribution of Tc-99m sestamibi in cardiac slices
    P H Pretorius
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, Boston 01655, USA
    J Nucl Cardiol 8:356-64. 2001
    ....
  2. pmc Diminishing the impact of the partial volume effect in cardiac SPECT perfusion imaging
    P Hendrik Pretorius
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, Massachusetts 01655, USA
    Med Phys 36:105-15. 2009
    ....
  3. ncbi request reprint Myocardial perfusion SPECT reconstruction: receiver operating characteristic comparison of CAD detection accuracy of filtered backprojection reconstruction with all of the clinical imaging information available to readers and solely stress slices iterativ
    P Hendrik Pretorius
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, Worcester 01655, USA
    J Nucl Cardiol 12:284-93. 2005
    ....
  4. ncbi request reprint A comparison of human and model observers in multislice LROC studies
    Howard C Gifford
    University of Massachusetts Medical School, Worcester, MA 01655, USA
    IEEE Trans Med Imaging 24:160-9. 2005
    ..Wells et al. had shown that human observers are imperfect integrators of multislice information, and this is characterized as increased internal noise with the model observers...
  5. ncbi request reprint A mathematical model of motion of the heart for use in generating source and attenuation maps for simulating emission imaging
    P H Pretorius
    Department of Nuclear Medicine, University of Massachusetts Medical Center, Worcester 01655, USA
    Med Phys 26:2323-32. 1999
    ..These observations agree with clinical trends. It is concluded that the gMCAT phantom can be used to study the influence of various physical parameters on radionuclide perfusion imaging...
  6. ncbi request reprint Improved image quality and computation reduction in 4-D reconstruction of cardiac-gated SPECT images
    M V Narayanan
    University of Massachusetts Medical School, Worcester 01655, USA
    IEEE Trans Med Imaging 19:423-33. 2000
    ..Additionally, by discarding high-order KL components that are dominated by noise, we can achieve savings in computation time because fewer reconstructions are needed in comparison to conventional frame-by-frame reconstructions...
  7. pmc Replacing 99mTc with 111In improves MORF/cMORF pretargeting by reducing intestinal accumulation
    Guozheng Liu
    Division of Nuclear Medicine, Department of Radiology, University of Massachusetts Medical School, 55 Lake Ave North, Worcester, MA 01655 0243, USA
    Mol Imaging Biol 11:303-7. 2009
    ..To reduce accumulation in the abdomen by MORF/cMORF pretargeting, 111In was compared to 99mTc as the radiolabel...
  8. pmc Pretargeting CWR22 prostate tumor in mice with MORF-B72.3 antibody and radiolabeled cMORF
    Guozheng Liu
    Division of Nuclear Medicine, Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655 0243, USA
    Eur J Nucl Med Mol Imaging 35:272-80. 2008
    ..We have now applied our MORF/cMORF pretargeting technology to the targeting of CWR22 prostate tumor in nude mice...
  9. ncbi request reprint Synthesis and testing of a binary catalytic system for imaging of signal amplification in vivo
    Alexei Bogdanov
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Bioconjug Chem 18:1123-30. 2007
    ..The conjugates were tested in vivo using a SPECT imaging experiment, which demonstrated the accumulation of 111In-labeled 5-HT-DTPA substrate at the site containing both conjugates...
  10. ncbi request reprint Simultaneous assessment of cardiac perfusion and function using 5-dimensional imaging with Tc-99m teboroxime
    Bing Feng
    Department of Radiology, University of Massachusetts Medical School, Worcester, 01655, USA
    J Nucl Cardiol 13:354-61. 2006
    ..Our goal was to investigate the feasibility of simultaneously imaging myocardial ischemia and transient poststress akinesis using gated-dynamic SPECT...
  11. ncbi request reprint Introduction to the physics of molecular imaging with radioactive tracers in small animals
    Michael A King
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    J Cell Biochem Suppl 39:221-30. 2002
    ..Finally, positron emission tomography (PET) which relies on the simultaneous detection of the pair of gamma-rays formed when the positron annihilates is presented...
  12. pmc Estimation and correction of cardiac respiratory motion in SPECT in the presence of limited-angle effects due to irregular respiration
    Joyoni Dey
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Med Phys 37:6453-65. 2010
    ..In this work, the authors investigate a method to overcome the effect of limited-angle reconstruction artifacts in SPECT when estimating respiratory motion...
  13. pmc Tumor pretargeting in mice using MORF conjugated CC49 antibody and radiolabeled complimentary cMORF effector
    G Liu
    Division of Nuclear Medicine, Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655 0243, USA
    Q J Nucl Med Mol Imaging 54:333-40. 2010
    ..This investigation evaluated the antiTAG-72 antibody CC49 as an alternative to MN14 for this application...
  14. ncbi request reprint Human-observer receiver-operating-characteristic evaluation of attenuation, scatter, and resolution compensation strategies for (99m)Tc myocardial perfusion imaging
    Manoj V Narayanan
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    J Nucl Med 44:1725-34. 2003
    ....
  15. pmc A flexible multicamera visual-tracking system for detecting and correcting motion-induced artifacts in cardiac SPECT slices
    Joseph E McNamara
    Department of Radiology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester Massachusetts 01655, USA
    Med Phys 36:1913-23. 2009
    ..Taken together, these findings suggest that VTS-based motion correction is superior to either no-motion correction or the vendor-supplied software the authors investigated in clinical practice...
  16. ncbi request reprint Assessment of scatter compensation strategies for (67)Ga SPECT using numerical observers and human LROC studies
    Troy H Farncombe
    Department of Nuclear Medicine, Hamilton Health Sciences Center, Hamilton, Ontario, Canada
    J Nucl Med 45:802-12. 2004
    ..The goal of this study was to investigate the extent to which this decrease in detectability can be reversed by applying scatter compensation strategies...