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Dr Alvin Tan Chjoong Howe

Dr Tan Alvin Chjoong Howe

Certification Board of Cardiovascular Computed Tomography, MMED (Diagnostic Radiolofy), MRCP, MBChB

Senior Consultant

Changi General Hospital

Specialty: Diagnostic Radiology

Sub-specialties: Body Imaging

Clinical Appointments

  • Senior Consultant Diagnostic Radiology Changi General HospitalChangi General Hospital


Dr Alvin Tan obtained specialist accreditation in diagnostic radiology in 2012 and worked as a radiologist in Khoo Teck Puat Hospital from 2012 to 2019. During this time he engaged cardiac CT and MR imaging and helped to create the CT coronary angiogram service for patients in the Emergency Department with acute chest pain.

Dr Tan was then appointed Clinical Senior Lecturer at Yong Loo Lin School of Medicine (National University of Singapore) and member of the KTPH Pharmacy and Therapeutics Committee.


  • 2013 - Certification Board of Cardiovascular Computed Tomography (USA)
  • 2009 - MMED (Diagnostic Radiology) National University of Singapore
  • 2003 - MRCP (UK)
  • 1998 - MBChB (Leicester)

Professional Appointments and Committee Memberships

  • Associate Consultant - Department of Diagnostic Radiology, KTPH 2012 – 2014
  • Clinical Senior Lecturer - Yong Loo Lin School of Medicine (NUS), 2017 – 2019
  • Consultant - Department of Diagnostic Radiology, KTPH 2014 – 2019
  • Facilitator - 7 Habits of Highly Effective People Foundations Program, 2019
  • Member - organizing committee for 10th Asian Society of Cardiovascular Imaging Congress, 2016
  • Member - Pharmacy and Therapeutics Committee, KTPH, 2018 – 2019
  • Reviewer - Clinical Radiology journal


  • Ranjeev K, Ramkumar S, Tan CHA, et al. Extended Diagnostic Treatment Unit (EDTU) – CT Coronary Angiogram Protocol: 3rd Prize at KTPH Kaizen Festival, 2018 
  • Long Service Award, Alexandra Health, 2014
  • Public Healthcare Clinician Special Recognition Award, Alexandra Health, 2013

Research Interests


• Post-treatment assessment of glioblastoma multiforme: imaging with fluorodeoxyglucose, sestamibi, and choline. Tan CHA, Tan EHA. World Journal of Nuclear Medicine 2012; 11: 30 – 2.

• Leiomyomatosis peritonealis disseminata presenting as omental torsion. Tan CHA, Ho BCS, Shelat V, Tan CH. Singapore Medical Journal 2012; 53(4): e71 - e73. • Diffusion-weighted MR imaging in early diagnosis and prognosis of hypoglycaemia. Lo L, Tan CHA, Umapathi T, Lim CC. American Journal of Neuroradiolology 2006; 27: 1222 – 1224.

• From left arm to right brain. Tan CHA, Umapathi T, Lee CE et al. Displayed as a poster at the 11th Asian and Oceanic Congress of Neurology and published as an abstract in Journal of Clinical Neuroscience, November 2004.

• Reversible hyperintensity lesion on diffusion-weighted MRI in hypoglycaemic coma. Tan CHA, Lim CC, Umapathi T. Letter published online, 27 September 2004 in Neurology.

• MRI appearances of multiple rice body formation in chronic subacromial and subdeltoid bursitis, in association with synovial chondromatosis. Tan CHA, Rai SB, Chandy J. Clinical Radiology 2004; 59: 753 – 757.

• Brain stem features as first presentation of SLE. Tan CHA, Rahman A. Hospital Medicine 2002; 63 (2): 115 – 117.

Research Trials

• Since November 2018, co-investigator in PITRI (Platelet Inhibition to Target Reperfusion Injury) study organized by SingHealth Duke-NUS Academic Medical Centre, providing cardiac MRI at KTPH as part of a multi-hospital trial to investigate if IV platelet inhibition will reduce infarct size in STEMI patients