Kwan Hoong Ng

Summary

Affiliation: University of Malaya
Country: Malaysia

Publications

  1. ncbi request reprint Global quality control perspective for the physical and technical aspects of screen-film mammography--image quality and radiation dose
    Kwan Hoong Ng
    Department of Radiology, University of Malaya, 50603 Kuala Lumpur, Malaysia
    Radiat Prot Dosimetry 121:445-51. 2006
  2. ncbi request reprint The role, responsibilities and status of the clinical medical physicist in AFOMP
    K H Ng
    Department of Biomedical Imaging, University of Malaya, 50603 Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 32:175-9. 2009
  3. ncbi request reprint Medical physics in 2020: will we still be relevant?
    K H Ng
    Department of Biomedical Imaging and Medical Physics Unit, University of Malaya, Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 31:85-9. 2008
  4. pmc Angiogenic squamous dysplasia-like phenomenon in oral epithelial precursor lesions
    Chong Huat Siar
    Department of Oral Pathology, Oral Medicine and Periodontology, Faculty of Dentistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
    Eur J Med Res 14:315-9. 2009
  5. ncbi request reprint A low cost solution for post-biopsy complications using available RFA generator and coaxial core biopsy needle
    C A Azlan
    Department of Biomedical Imaging, Faculty of Medicine University of Malaya, Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 30:288-91. 2007
  6. ncbi request reprint Computed and conventional chest radiography: a comparison of image quality and radiation dose
    K Ramli
    Department of Radiology, University of Malaya, 50603 Kuala Lumpur, Malaysia
    Australas Radiol 49:460-6. 2005
  7. ncbi request reprint An indicator device for monitoring of room illuminance level in the radiological image viewing environment
    C A Azlan
    Departament of Biomedical Imaging, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 29:278-80. 2006
  8. ncbi request reprint Mammographic image quality and exposure in South East Asia
    K H Ng
    Department of Radiology, University of Malaya Medical Center, 59100 Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 23:135-7. 2000
  9. ncbi request reprint Dual-source CT coronary angiography: effectiveness of radiation dose reduction with lower tube voltage
    Akmal Sabarudin
    Diagnostic Imaging and Radiotherapy Programme, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
    Radiat Prot Dosimetry 153:441-7. 2013
  10. ncbi request reprint The characteristics of Fuji IP Cassette Type PII and application for radiation oncology quality assurance tests and portal imaging
    H S Soh
    Department of Biomedical Imaging, University of Malaya, Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 31:146-50. 2008

Collaborators

Detail Information

Publications26

  1. ncbi request reprint Global quality control perspective for the physical and technical aspects of screen-film mammography--image quality and radiation dose
    Kwan Hoong Ng
    Department of Radiology, University of Malaya, 50603 Kuala Lumpur, Malaysia
    Radiat Prot Dosimetry 121:445-51. 2006
    ..It points out issues that must be resolved in terms of radiation dose and that also affect the comparison...
  2. ncbi request reprint The role, responsibilities and status of the clinical medical physicist in AFOMP
    K H Ng
    Department of Biomedical Imaging, University of Malaya, 50603 Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 32:175-9. 2009
    ....
  3. ncbi request reprint Medical physics in 2020: will we still be relevant?
    K H Ng
    Department of Biomedical Imaging and Medical Physics Unit, University of Malaya, Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 31:85-9. 2008
    ..To me the future is clear: "To achieve more, we should imagine together."..
  4. pmc Angiogenic squamous dysplasia-like phenomenon in oral epithelial precursor lesions
    Chong Huat Siar
    Department of Oral Pathology, Oral Medicine and Periodontology, Faculty of Dentistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
    Eur J Med Res 14:315-9. 2009
    ....
  5. ncbi request reprint A low cost solution for post-biopsy complications using available RFA generator and coaxial core biopsy needle
    C A Azlan
    Department of Biomedical Imaging, Faculty of Medicine University of Malaya, Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 30:288-91. 2007
    ..We also found that the solution proposed provides a low cost and practical way to minimizes unwanted post-biopsy effects...
  6. ncbi request reprint Computed and conventional chest radiography: a comparison of image quality and radiation dose
    K Ramli
    Department of Radiology, University of Malaya, 50603 Kuala Lumpur, Malaysia
    Australas Radiol 49:460-6. 2005
    ..The patients' mean ESD for chest radiography using the storage phosphor, film-screen combination and selenium drum was 0.20, 0.20 and 0.25 mGy, respectively, with no statistically significant difference with P > 0.05 (chi(2) tests)...
  7. ncbi request reprint An indicator device for monitoring of room illuminance level in the radiological image viewing environment
    C A Azlan
    Departament of Biomedical Imaging, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 29:278-80. 2006
    ..The system indicates illuminance in a very simple visual form by using light emitting diodes. By employing the device in the viewing room, illuminance level can be monitored and adjusted effectively...
  8. ncbi request reprint Mammographic image quality and exposure in South East Asia
    K H Ng
    Department of Radiology, University of Malaya Medical Center, 59100 Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 23:135-7. 2000
    ..There is a need for a quality assurance program. The factors that cause low score in the phantom images must be corrected. Calibration and the use of appropriate ionization chambers for mammography is important...
  9. ncbi request reprint Dual-source CT coronary angiography: effectiveness of radiation dose reduction with lower tube voltage
    Akmal Sabarudin
    Diagnostic Imaging and Radiotherapy Programme, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
    Radiat Prot Dosimetry 153:441-7. 2013
    ..The application of 100 kVp in DSCT coronary angiography is feasible only in patients with a low body mass index of <25 kg m(-2), which leads to a significant dose reduction with the radiation dose being equivalent to that of ICA...
  10. ncbi request reprint The characteristics of Fuji IP Cassette Type PII and application for radiation oncology quality assurance tests and portal imaging
    H S Soh
    Department of Biomedical Imaging, University of Malaya, Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 31:146-50. 2008
    ..Palo Alto, USA) and film system (Eastman Kodak Co., New York, USA). The IP cassette type PII was found to be suitable as an alternative QA test tool and portal imaging in radiotherapy...
  11. ncbi request reprint A thermoluminescent dosimetry postal dose inter-comparison of radiation therapy centres in Malaysia
    P Rassiah
    Clinical Oncology Unit, University of Malaya Medical Centre, Kuala Lumpur, Malaysia
    Australas Phys Eng Sci Med 27:25-9. 2004
    ..The importance of a proper ongoing quality assurance program is essential in maintaining the consistency and uniformity of doses delivered...
  12. pmc Incidental detection of sinus mucosal abnormalities on CT and MRI imaging of the head
    Mohammad Nazri
    University of Malaya Research and Imaging Centre UMRIC, University of Malaya, 50603 Kuala Lumpur, Malaysia Department of Biomedical Imaging, University of Malaya, Kuala Lumpur, 50603, Malaysia
    Quant Imaging Med Surg 3:82-8. 2013
    ..To investigate the prevalence of incidental sinus abnormalities on CT and MRI imaging of the head, and identify if there is any correlation between patient symptomatology and image findings...
  13. ncbi request reprint Mammographic breast glandularity in Malaysian women: data derived from radiography
    Noriah Jamal
    Department of Radiology, University of Malaya, Kuala Lumpur 59100, Malaysia
    AJR Am J Roentgenol 182:713-7. 2004
    ..This study was undertaken to estimate mammographic breast glandularity in Malaysian women from radiographic data...
  14. ncbi request reprint A low-cost, high-quality method for remote recording of presentations
    Li Kuo Tan
    Department of Radiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia 59100
    AJR Am J Roentgenol 186:898-901. 2006
    ..The purpose of this article was to develop a low-cost method for high-quality remote capturing and recording of multimedia presentations...
  15. doi request reprint Diagnostic radiology in the tropics: technical considerations
    Kwan Hoong Ng
    Department of Biomedical Imaging, University of Malaya, Kuala Lumpur, Malaysia
    Semin Musculoskelet Radiol 15:441-5. 2011
    ..Considerations such as quality management and infrastructure, personnel, equipment, and radiation protection and safety are important to ensure the proper functioning and rational use of a diagnostic radiology facility in the tropics...
  16. doi request reprint A low-cost phantom for simple routine testing of single photon emission computed tomography (SPECT) cameras
    A H Ng
    Department of Biomedical Imaging, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
    Appl Radiat Isot 67:1864-8. 2009
    ..Results showed that the contrast increased non-linearly with sphere volume and radionuclide concentration. The phantom was found to be suitable as an inexpensive option for daily performance tests...
  17. ncbi request reprint Moving into the digital era: a novel experience with the first full-field digital mammography system in Malaysia
    S Ranganathan
    Department of Biomedical Imaging, University of Malaya, Kuala Lumpur, Malaysia
    Singapore Med J 48:804-7. 2007
    ....
  18. ncbi request reprint Evaluating the quality of images produced by soft X-ray units
    D A Bradley
    Department of Physics, University of Malaya, Kuala Lumpur, Malaysia
    Appl Radiat Isot 53:691-7. 2000
    ..We have established, for thin objects, that both systems produce images of comparable quality and, in particular, objects can be resolved down to better than 45 microm...
  19. ncbi request reprint Multislice CT angiography in cardiac imaging. Part II: clinical applications in coronary artery disease
    Z Sun
    Discipline of Medical Imaging, Department of Imaging and Applied Physics, Curtin University of Technology, Perth 6845, Australia
    Singapore Med J 51:282-9. 2010
    ..Emerging areas of multislice CT, including dual-energy CT and CT myocardial perfusion, are also discussed. Limitations of multislice CT angiography and future directions of cardiac multislice CT are highlighted...
  20. pmc X ray imaging goes digital
    Kwan Hoong Ng
    BMJ 333:765-6. 2006