Kok Shi Xian, Shawn
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Dr Shawn Kok

Dr Kok Shi Xian, Shawn

​MBBS (S’pore), FRCR, MMed (Diag Rad)


Sengkang General Hospital

Specialty: Radiology

Sub-specialties: Body Imaging

Clinical Appointments

  • Consultant Department of Radiology Sengkang General HospitalSengkang General Hospital


​Dr. Shawn is a Consultant Radiologist at Sengkang General Hospital (SKH) with subspecialty interests in gastrointestinal and urogenital imaging as well as contrast-enhanced ultrasound. He also oversees the Ultrasound service at SKH Department of Radiology. 

He publishes actively in peer-reviewed journals and has numerous oral and poster presentations at international/regional conferences.


  • ​MBBS (S’pore)
  • FRCR
  • MMed (Diag Rad)

Professional Appointments and Committee Memberships

  • ​Clinical Assistant Professor (Duke-NUS)
  • Institution subspecialty representative for Ultrasound—Singhealth Radiology Residency Programme.
  • Ultrasound Section Chief
  • Co-Opted Committee Member, Singapore Radiological Society
  • Fellow of the Royal College of Radiologists


​Outstanding Resident RISE Award 2012 - SingHealth Radiology Residency

Research Interests


  1. ​Spectrum of lung perfusion changes on dual-energy CT in COVID-19: incremental benefit to conventional CT. Ganti S, Kok SS, Aftab S, Halagatti SV, Wong SB, Uppaluri AS. Emergency radiology. 2021 Jan 8:1-5. 
  2. Appendicitis mimicking the CT appearance of an appendiceal mucinous neoplasm. Soon JQ, Aftab S, Ling LL, Uppaluri SA, Kok SX. Journal of Radiology Case Reports. 2020 Nov 30;14(11):26-38. 
  3. Radiographic features of COVID-19 based on an initial cohort of 96 patients in Singapore.   Khoo HW, Hui TC, Mohideen SM, Lee YS, Liew CJ, Kok SS, Young BE, Ong SW, Kalimuddin S, Tan SY, Loh J. Singapore medical journal. 2020 Sep 21. 
  4. When crystals gave the culprit away: a rare complication of a commonly used medication.  Wu J, Koh FH, Kok SS, Iqbal J, Sivarajah SS. ANZ Journal of Surgery. 2020 Aug 10. 
  5. Variable computed tomography appearances of COVID-19. Lim ZY, Khoo HW, Hui TC, Kok SS, Kwan KE, Young BE, Tan CH, Kaw GJ. Singapore Med J. 2020 Jul 1;61(7):387-91. 
  6. Factors that predict delayed neurological sequelae of carbon monoxide poisoning from a 10-year clinico-radiological review.  Neo S, Kok SS (joint 1st author), Tan K, Kumar S. Annals of the Academy of Medicine, Singapore. 2020 May;49(5):331-6. 
  7. Radiology Preparedness in the Ongoing Battle against COVID-19: Experiences from Large to Small Public Hospitals in Singapore. Tan BP, Lim KC, Goh YG, Kok SS, Teo SY, Poh AC, Kaw GJ, Quek ST, Wong SB, Chan LP, Tan BS. Radiology: Cardiothoracic Imaging. 2020 Apr 23;2(2):e200140.
  8. Dealing with COVID-19: initial perspectives of a small radiology.  Kok SS, Shah MT, FRCR WK, Cheng AK, Sng LH, MMedRadSc PR. Singapore Med J. 2020;1:7. 
  9. Uterine Pyometra - Clinics in diagnostic imaging (199).  Tay WM, Subramanian M, Chinchure D, Kok SX. Singapore Med J. 2019 Sep 1;60(9):487-90. 
  10. Gout -- Clinics in diagnostic imaging (200). Lee YW, Kok SX, Wong LW, Wong BS. Singapore medical journal. 2019 Oct;60(10):502. 
  11. White Matter Disease in a Young Adult Presenting as Rapidly Progressive Parkinsonism Chua RP, Kok SS, Ng AS, Yu WY.. Annals of the Academy of Medicine, Singapore. 2019 Aug 1;48(8):274-8. 
  12. Rhabdomyolysis-- Clinics in diagnostic imaging (179). Kok SX, Tan TJ. Clinics in diagnostic imaging (179). Singapore medical journal. 2017 Aug;58(8):467. 

Research Trials