Contact Information
Address (Office) E11-3045 Greta Mok
Phone (Office) 8822 4491
Email gretamok@umac.mo
Education
Ph.D. in
Medical Imaging Physics
Johns Hopkins University, USA
B.S. in
Biomedical Imaging & Radiological Sciences
National Yang-Ming University, Taiwan
Positions
08/2014 to present Associate Professor, Department of Electrical and Computer Engineering, University of Macau, Macau
03/2017 to present Joint Associate Professor, Faculty of Health Science, University of Macau, Macau
2013 to present Visiting Lecturer, Interdisciplinary Division of Biomedical Engineering,
The Hong Kong Polytechnic University, Hong Kong
11/2010 to 08/2014 Assistant Professor, Department of Electrical and Computer Engineering, University of Macau, Macau
02/2009 to 11/2010 Research Assistant Professor, Department of Imaging and Interventional Radiology, The Chinese University of Hong Kong, Shatin, Hong Kong
Research Interests
Research Interests

  • Medical Imaging
  • Single Photon Emission Computed Tomography (SPECT)
  • Positron Emission Tomography (PET)
  • Multi-modality Imaging (PET/SPECT/CT/MRI)
  • Internal Dosimetry
  • Molecular Imaging
Representative Publications
Peer-reviewed Journal Papers

  1. Li TT and Mok GSP*. Technical Note: Virtual CT for Reducing CT Dose in Targeted Radionuclide Therapy Dosimetry. Paper accepted for publication in Medical Physics.
  2. Zhang D, Pretorius PH, Ghaly M, Zhang Q, King MA and Mok GSP*. Evaluation of Different Respiratory Gating Schemes for Cardiac SPECT, Journal of Nuclear Cardiology, Epub 2018 Aug 7.
  3. Sun JY, Yun CH, Mok GSP, Liu YH, Hung CL*, Wu TH*, Alaiti MA, Eck BL, Fares A and Bezerra Left Atrium Wall-mapping Application for Wall Thickness Visualisation, Scientific Report, 2018 Mar;8(1):4169.
  4. Li TT, Wu NY, Song N and Mok GSP*. Evaluation of Sequential SPECT and CT for Targeted Radionuclide Therapy Dosimetry, Annals of Nuclear Medicine, 2018 Jan;32(1):34-43.
  5. Li TT, Ao ECI, Lambert B, Brans B, Vandenberghe S* and Mok GSP*. Quantitative Imaging for Targeted Radionuclide Therapy Dosimetry – Technical Review, 2017; 7(18): 4551–4565.
  6. Chen L, Tsui BMW and Mok GSP*. Design and Evaluation of Two Multi-pinhole Collimators for Brain SPECT, Annals of Nuclear Medicine, 2017 Oct;31(8):636-648.
  7. Zhang D, Yang BH, Wu NY and Mok GSP*. Respiratory Average CT for Attenuation Correction in Myocardial Perfusion SPECT/CT, Annals of Nuclear Medicine, 2017 Feb;31(2):172-180.
  8. Yan PY, Chen L, Tsui BMW and Mok GSP*. Evaluation of Stationary and Semi-stationary Acquisitions in a Dual-head Multi-pinhole Collimator for Myocardial Perfusion SPECT, Journal of Medical and Biological Engineering, (2016)36:675-685.
  9. Mok GSP*, Ho CYT, Yang BH and Wu TH. Interpolated Average CT for Cardiac PET/CT Attenuation Correction, Journal of Nuclear Cardiology, 2016 Oct;23(5):1072-9.
  10. Mok GSP, Zhang D, Chen SZ, Yuan J, Griffith JF and Wang YX*, Comparison of Three Approaches for Defining Nucleus Pulposus and Annulus Fibrosus on Sagittal Magnetic Resonance Images of the Lumbar Spine, Journal of Orthopaedic Translation, (2016) 6: 34-41.
  11. Ho CYT, Wu TH and Mok GSP*. Interpolated Average CT for PET Attenuation Correction in Different Lesion Characteristics, Nuclear Medicine Communications, 2016 Mar;37(3):297-306.
  12. Si CH, Mok GSP*, Chen L and Tsui BMW. Design and Evaluation of an Adaptive Multi-pinhole Collimator for High Performance Clinical and Preclinical Imaging, Nuclear Medicine Communications, 2016 Mar;37(3):313-21.
  13. Lin CJ, Mok GSP, Tsai MF, Tsai WT, Yang BH, Tu CY* and Wu TH*. National Survey of Radiation Dose and Image Quality in Adult CT Head Scans in Taiwan, PLoS ONE, 2015 June 30; 10(6): e0131243.
  14. Ao ECI, Wu NY, Wang SJ, Song N and Mok GSP*. Improved Dosimetry for Targeted Radionuclide Therapy Using Nonrigid Registration on Sequential SPECT Images, Medical Physics, 2015.42(2):1060-1070.
  15. Chang CH, Mok GSP*, Shueng PW, Yeh HP, Shiau AC, Tien HJ, Lin CT and Wu TH*. Fan-Shaped Complete Block on Helical Tomotherapy for Esophageal Cancer: A Phantom Study, BioMed Research International, 2015, Article ID 959504.
  16. Sun T, Wu TH, Wang SJ, Yang BH, Wu NY and Mok GSP*. Low Dose Interpolated Average CT for Thoracic PET/CT Attenuation Correction Using an Active Breathing Controller, Medical Physics, 2013.40(10):102507.
  17. Mok GSP, Sun T, Huang TC* and Vai MI, Interpolated Average CT for Attenuation Correction in PET – a Simulation Study, IEEE Transaction on Biomedical Engineering, 2013 Jul;60(7): 1927-34.
  18. Sun T and Mok GSP*, Techniques for Respiration-induced Artifacts Reductions in Thoracic PET/CT, Quantitative Imaging in Medicine and Surgery, 2012;2: 46-52.
  19. Mok GSP, Wu YY, Lu KM, Wu J, Chen LK and Wu TH*, Evaluation of the Screening Power of Cognitive Abilities Screening Instrument for Probable Alzheimer’s Disease using Voxel-based Morphometry, Clinical Imaging, 2012 Jan;36(1):46-53.
  20. Mok GSP*, Yu J., Du Y., Wang Y. and Tsui BMW, Evaluation of a Multi-Pinhole Collimator for Imaging Small Animals with Different Sizes, Molecular Imaging & Biology, 2012 Feb;14(1):6069.
  21. Yang CC, Mok GSP, Law WY, Hsu SM, Wu TH* and Chen LK, Potential Dose Reduction of Optimal ECG-controlled Tube Current Modulation for 256-slice CT Coronary Angiography, Academic Radiology, 18, Issue 6, June 2011, Pages 731-737.
  22. Huang TC, Mok GSP, Wang SJ, Wu TH* and Zhang G, Attenuation Correction of Emission PET Images with Interpolated Average CT for Thoracic Tumors, Physics in Medicine and Biology, 56 (2011) 2559-2567.
  23. Mok GSP*, Tsui BMW and Beekman FJ. The Effects of Object Activity Distribution on Multiplexing Multi-Pinhole SPECT, Physics in Medicine and Biology, 56 (2011) 2635-2650.
  24. Mok GSP, Choi PT and Chu CW*, Actinomycosis Imitating Parotid Cancer with Metastatic Lymph Nodes in FDG-PET/CT, Clinical Nuclear Medicine, 36, Number 4, April 2011, Pages 309-310.
  25. Law WY, Yang CC, Chen LK, Huang TC, Lu KM, Wu TH* and Mok GSP, Retrospective gating vs. prospective triggering for noninvasive coronary angiography: Assessment of image quality and radiation dose using a 256-slice CT scanner with 270 ms gantry rotation, Academic Radiology, 18, Issue 1, January 2011, Pages 31-39.
  26. Mok GSP, Yang CC, Chen LK, Lu KM, Law WY and Wu TH*, Optimal Systolic and Diastolic Image Reconstruction Window for Coronary 256-Slice CT Angiography, Academic Radiology, 17, Issue 11, November 2010, Pages 1386-1393.
  27. Mok GSP*, Du Y., Wang Y., Frey E. and Tsui BMW, Development and Validation of a Monte Carlo Simulation Tool for Multi-Pinhole SPECT, Molecular Imaging & Biology, 2010 Jun;12(3):295-304
  28. Mok GSP*, Wang Y. and Tsui BMW, Quantification of the Multiplexing Effect in Multi-Pinhole Small Animal SPECT, IEEE Transactions on Nuclear Science, 2636-2643, Vol. 56, Issue 5, Part 1, Oct. 2009
  29. Segars P*, Mok GSP and Tsui BMW, Investigation of Respiratory Gating in Quantitative Myocardial SPECT, IEEE Transactions on Nuclear Science, p. 91-96, Vol. 56, Issue 1, Part 1, Feb. 2009
  30. Gabrielson KL*, Mok GSP, Nimmagadda S., Bedja D., Pin S., Tsao A., Wang Y., Sooryakumar D., Yu J., Pomper MG and Tsui BMW, Detection of dose response in chronic doxorubicin mediated cell death with cardiac SPECT 99mTc annexin V imaging, Molecular Imaging, 132-138, Vol. 7, No 3, May-Jun 2008

(*denote corresponding author)

Full Publications List
Research Grants
  1. Primary Investigator, 2011 Start-up Research Grant (SRG004-FST11-MSP), University of Macau, “Design of a Hybrid Multi-pinhole SPECT Collimator for High Performance Clinical and Preclinical Molecular Imaging”
  2. Primary Investigator, 2011-2013 Multi-Year Research Grant (MYRG185(Y1-L3)-FST11-MSP), University of Macau: “High Performance Computing Facility for Medical Imaging Research in Macau”
  3. Primary Investigator, 2012-2014 Multi-Year Research Grant (MYRG077(Y1-L2)-FST12-MSP), University of Macau: “Dose Reduction and Image Quality Improvement for PET/CT Imaging”
  4. Primary Investigator, 2012-2014 FDCT Research Grant (079/2011/A3), Fundo para o Desenvolvimento das Ciencias e da Tecnologia: “Multi-purpose Multi-pinhole SPECT (MPMP-SPECT): Direct Translational Platform for High Performance Clinical and Preclinical Molecular Imaging”
  5. Primary Investigator, 2013-2015 Matching Research Grant (MRG004/MSP/2013/FST), University of Macau: “Multi-purpose Multi-pinhole SPECT (MPMP-SPECT): Direct Translational Platform for High Performance Clinical and Preclinical Molecular Imaging”
  6. Primary Investigator, 2017-2019 Multi-Year Research Grant (MYRG2016-00091-FST), University of Macau: “Interpolated Average Computed Tomography (IACT) for Cardiac ECT/CT Attenuation Correction”
  7. Primary Investigator, 2017-2019 Youth Scientists Fund (81601525), Natural Science Foundation of China: “Optimized Respiratory Gating for Motion-free Myocardial Perfusion SPECT/CT”
  8. Primary Investigator, 2017-2019 FDCT Research Grant (014/2016/A3), Fundo para o Desenvolvimento das Ciencias e da Tecnologia: “Optimized Respiratory Gating Strategy for Thoracic PET/CT”
  9. Primary Investigator, 2018-2020 Multi-Year Research Grant (MYRG2017-00060-FST), University of Macau: “Improved Internal Dosimetry for Targeted Radionuclide Therapy Using Non-rigid Registration on Sequential SPECT/CT”

 

Honors
  • Student Travel Award, the 2nd Biannual Workshop on Small-Animal SPECT Imaging, Center for Gamma-Ray Imaging, University of Arizona, Tucson, Arizona, USA, 2006
  • Student Travel Award, the 2006 IEEE Nuclear Science Symposium and Medical Imaging Conference, October 29- November 4, 2006, San Diego
  • Student Travel Award, the Joint Molecular Imaging Conference, September 8-11, 2007, Providence, Rhode Island, USA
  • Morgan-James Scholarship, Johns Hopkins Bloomberg School of Public Health, 2008
  • Scientific poster award (2nd place) in the Instrumentation & Data Analysis track at the 57th SNM Annual Meeting, June 5th – 9th, 2010, Salt Lake City, Utah, USA.
  • International Best Abstracts Award at the 64th Annual Meeting of Society of Nuclear Medicine and Molecular Imaging, June 10-14, 2017, Denver, USA
  • International Best Abstracts Award at the 65th Annual Meeting of Society of Nuclear Medicine and Molecular Imaging, June 23-26, 2018, Philadelphia, USA
  • Tracy Lynn Faber Award at the 65th Annual Meeting of Society of Nuclear Medicine and Molecular Imaging, June 23-26, 2018, Philadelphia, USA
Patent
  • US Patent (US 9,431,140 B2), “Optimized Multi-Pinhole Collimator for Dual-Purpose Clinical and Preclinical Imaging”, Inventor: Seng Peng Mok, Macau (CN)
Student Award
  • 3rd prize (Tiantian LI) in Computer and Instrumentation Council Young Investigator Award Symposium, The 64th Annual Meeting of Society of Nuclear Medicine and Molecular Imaging, June 10-14, 2017, Denver, USA
  • Golden Award (Tiantian LI) in 4th Rising NM Professional Challenge, 2017 ASIAN NUCLEAR MEDICINE ACADEMIC FORUM, May 11-13, 2017, Shanghai, China
Professional Affiliations
  • Founding President of Macao Society of Nuclear Medicine and Molecular Imaging
  • IEEE senior member
  • Macao Society of Biomedical Engineering member
  • Treasurer/Secretary of Chinese American Society of Nuclear Medicine (CASNM), 2007-2009
  • Program officer of IEEE-EMBS Hong Kong Chapter, 2011-2012