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Dr Kheok Si Wei

Dr Kheok Si Wei



Singapore General Hospital

Specialty: Diagnostic Radiology

Sub-specialties: Head & Neck Imaging, Neuroradiology

Clinical Appointments

  • Consultant Diagnostic Radiology Singapore General HospitalSingapore General Hospital

Academic Appointments

  • Clinical Assistant Professor, Duke-NUS Medical School, Singapore
  • Clinical Lecturer, Yong Loo Lin School of Medicine, National University of Singapore


​Dr Kheok graduated from the National University of Singapore, and specialises in Diagnostic Radiology. She is trained under the SingHealth Diagnostic Radiology Residency Programme, with an emphasis on Neuroradiology and Head and Neck Radiology. She is a Fellow of the Royal College of Radiologists (UK) and furthered her subspecialty training in head and neck imaging at Massachusetts Eye and Ear Infirmary, a Harvard Medical School hospital, under the MOH Health Manpower Development Plan Award.

Dr Kheok is active in medical education, operations work and in the application of new imaging technology.


Professional Appointments and Committee Memberships

  • Director of Medical Students, Department of Diagnostic Radiology, Singapore General Hospital
  • Deputy Director, Magnetic Resonance Imaging (MRI) Services, Division of Radiological Sciences, Singapore General Hospital
  • Deputy Director Medical Students (Electives) SingHealth Duke-NUS Radiological Sciences Academic Clinical Programme


Research Interests


  1. Imaging of Endolymphatic Hydrops in Ménière's Disease: A Clinical Update. Kheok SW, Chan YM, Chan LL. Ann Acad Med Singap. 2020 Dec;49(12):1018-1024. doi: 10.47102/annals-acadmedsg.2020267. PMID: 33463661.
  2. Cardiovascular Hoarseness (Ortner's Syndrome): A Pictorial Review. Kheok SW, Salkade PR, Bangaragiri A, Koh NSY, Chen RC. Curr Probl Diagn Radiol. 2021 Sep-Oct;50(5):749-754. doi: 10.1067/j.cpradiol.2020.09.015. Epub 2020 Sep 23. PMID: 33036813.
  3. A Rare Case of Acute Hemorrhagic Leukoencephalitis in a COVID-19 Patient. Yong MH, Chan YFZ, Liu J, Sanamandra SK, Kheok SW, Lim KC, Sewa DW. J Neurol Sci. 2020 Sep 15;416:117035. doi: 10.1016/j.jns.2020.117035. Epub 2020 Jul 15. PMID: 32738478; PMCID: PMC7362807.
  4. Olfactory Loss of Function as a Possible Symptom of COVID-19. Kheok SW, Teo NWY. JAMA Otolaryngol Head Neck Surg. 2020 Sep 1;146(9):873-874. doi: 10.1001/jamaoto.2020.
  5. Case Report of Eustachian Tube Malignant Melanoma: 4 Year Follow-up of a Grave and Rare Condition. Tan BY, Kheok SW, Tan TW, Tan HK.  Ann Acad Med Singap. 2020 Sep;49(9):694-698. PMID: 33241260.
  6. Subdural haematoma mimics. Lim, M., Kheok, SW, Lim, K.C., Venkatanarasimha, N.Small, J.E.,Chen, R.C. 2019 May. Clin Radiol. 2019 Sep;74(9):663-675. doi: 10.1016/j.crad.2019.04.013. Epub 2019 May 17.
  7. Compressive optic neuropathy from normal and abnormal internal carotid artery. Chen RC, Kheok SW, Parag S, Chan LL, Tow S. Neurographics. 2018 April; 8(2):79-85
  8. Benign periarticular, bone and joint lipomatous lesions. Kheok SW, Ong KO. Singapore Med J. 2017 Sep;58(9):521-527. doi: 10.11622/smedj.2017087.
  9. Intramesosigmoid hernia complicated by strangulated small-bowel obstruction. Kheok SW, Haja Mohideen SM, Lim JW, Santhosh Raj SR. BMJ Case Rep. 2016 Jul
  10. Efficacy of influenza vaccination in healthcare workers in a tropical setting: A prospective investigator blinded observational study. SW Kheok, CY Chong, Grace McCarthy, WY Lim, KT Goh, L Razak, Nancy WS Tee, Paul A Tambyah. Annal Acad Med Singapore. 2008 Jun;37(6):465-9. 

Research Trials