Derek Tsang, MSc, MD, FRCPC

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Dr. Derek Tsang is a clinician-investigator in the Radiation Medicine Program, Princess Margaret Cancer Centre. He completed his medical training at Queen’s University, followed by residency in radiation oncology at the University of Toronto. He obtained fellowship training in paediatric radiation oncology at St. Jude Children’s Research Hospital under the supervision of Dr. Thomas Merchant, and completed a Masters’ degree in clinical epidemiology at the Harvard T.H. Chan School of Public Health. He joined the Radiation Medicine Program in 2017 and is a member of the paediatric and adult central nervous system (CNS) tumour site groups.


  • Management of paediatric central nervous system tumours
  • Reducing side effects of treatment for children with cancer
  • Repeat irradiation for recurrent tumours
  • Use of advanced radiation modalities (proton therapy)

For a list of Dr. Tsang's publications, please visit PubMed or Scopus.

Staff Radiation Oncologist, Radiation Medicine Program, Princess Margaret Cancer Centre
Assistant Professor, Radiation Oncology, University of Toronto
Associate Staff, Haematology/Oncology, Hospital for Sick Children