Skip Ribbon Commands
Skip to main content
Clin Asst Prof Ooi Su Kai Gideon

Clin Asst Prof Ooi Su Kai Gideon

MBBS, FRCR, M.Med (Diagnostic Radiology), FAMS


Specialty: Oncologic Imaging

Sub-specialties: Colorectal, Hepato-Pancreato-Biliary, Thoracic-Oncology, Nuclear Medicine, PET Imaging (Positron emission tomography (PET))

Conditions Treated by this Doctor:
Colorectal Cancer , Hepato-Pancreato-Biliary Cancers , Pancreatic Cancer , Thoracic Cancers .

Clinical Appointments

  • Consultant Division of Oncologic Imaging National Cancer Centre SingaporeNational Cancer Centre Singapore
  • Consultant Nuclear Medicine and Molecular Imaging Singapore General HospitalSingapore General Hospital
  • Consultant Department of Diagnostic & Interventional Imaging KK Women's and Children's HospitalKK Women's and Children's Hospital

Academic Appointments

  • Clinical Instructor, Duke-NUS Medical School
  • Core Faculty Member, Nuclear Medicine Senior Residency Programme


Dr Gideon Ooi obtained his medical degree from National University of Singapore in 2010 and his specialist qualifications in Diagnostic Radiology from the Royal College of Radiologists and National University of Singapore in 2017. Following that, he completed further training in Nuclear Medicine in 2020 to become among a handful of dually-accredited Diagnostic Radiologist and Nuclear Medicine Physician. He has research interests in Oncologic Imaging, Theranostics and Molecular imaging as well as Imaging Informatics and Artificial Intelligence in medical imaging.

He is a Core Faculty member of the Nuclear Medicine Senior Residency Programme and a Clinical Instructor with Duke-NUS Medical School. He is also co-opted as an executive committee member of Singapore Radiological Society.


  • FAMS (2020)
  • MMed (Diagnostic Radiology), 2017
  • FRCR, 2017
  • MBBS (Singapore), 2010

Professional Appointments and Committee Memberships

  • Core Faculty Member, Nuclear Medicine Senior Residency Programme
  • Physician Faculty Member, Singhealth Diagnostic Radiology Residency Programme
  • Member, SingHealth RISPACS Steering Committee


Research Interests


  • Ooi GSK, Liew C, Ting DSW, Lim TCC. Artificial Intelligence: A Singapore Response. Ann Acad Med Singap. 2020 Apr;49(4):256-258
  • Chiang J, Yang VS, Han S, Zhuang Q, Ooi G, Sin IH, Chua GWY, Tan SY, Chia CS, Tan VK, Neo PSH, Kwek JW, Yap SP, Kanesvaran R, Lim ST, Hwang WYK, Tham CK. Minimizing transmission of COVID-19 while delivering optimal cancer care in a National Cancer Centre. J Cancer Policy. 2020 Sep;25:100241. doi: 10.1016/j.jcpo.2020.100241.
  • Current Status and Growth of Nuclear Theranostics in Singapore. Huang HL, Tong AKT, Thang SP, Yan SX, Lam WWC, Loke KSH, Tang CYL, Cheng LTJ, Ooi GSK, Low HC, Magsombol BM, Tham WY, Goh CXY, Tan CJ, Khor YM, Zaheer S, Bharadwaj P, Xie W, Ng DCE. Nucl Med Mol Imaging. 2019 Apr;53(2):96-101. doi: 10.1007/s13139-019-00580-3
  • Attitudes toward artificial intelligence in radiology with learner needs assessment within radiology resi-dency programmes: a national multi-programme survey. Ooi SKG, Makmur A, Soon AYQ, Fook-Chong S, Liew C, Sia SY, Ting YH, Lim CY. Singapore Med J. 2019 Nov 4.
  • Clinics in diagnostic imaging (171). Caecal volvulus with underlying intestinal malrotation. Ooi SK, Tan TJ, Ngu JC. Singapore Med J. 2016 Nov;57(11):598-602. doi: 10.11622/smedj.2016175

Research Trials