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)

World Neurosurg. 2019 Jul;127:336-345
Voisin MR, Ovenden C, Tsang DS, Gupta AA, Huang A, Gao AF, Diamandis P, Almeida JP, Gentili F
Int J Radiat Oncol Biol Phys. 2019 Mar 14;:
Co JL, Swain M, Murray LJ, Ahmed S, Laperriere NJ, Tsang DS, Yu E, Pintilie M, Weiss J, Hodgson DC
Cancer. 2019 Feb 15;:
Zapotocky M, Beera K, Adamski J, Laperierre N, Guger S, Janzen L, Lassaletta A, Figueiredo Nobre L, Bartels U, Tabori U, Hawkins C, Urbach S, Tsang DS, Dirks PB, Taylor MD, Bouffet E, Mabbott DJ, Ramaswamy V
Clin Oncol (R Coll Radiol). 2018 Oct 29;:
Tsang DS, Laperriere NJ
Support Care Cancer. 2018 Mar 12;:
Tsang DS, Jones JM, Samadi O, Shah S, Mitsakakis N, Catton CN, Jeon W, To J, Breunis H, Alibhai SMH
Int J Radiat Oncol Biol Phys. 2017 Nov 01;99(3):642-651
Tsang DS, Murphy ES, Merchant TE
Int J Radiat Oncol Biol Phys. 2018 Feb 01;100(2):507-515
Tsang DS, Burghen E, Klimo P, Boop FA, Ellison DW, Merchant TE
Ann Palliat Med. 2017 Dec;6(Suppl 2):S161-S169
Moroney C, Perry JR, Tsang DS, Bilodeau D, Mueller C, Soliman H, Myrehaug S, Sahgal A, Tseng CL, Tsao MN
J Neurooncol. 2017 Nov;135(2):371-379
Tsang DS, Murphy ES, Lucas JT, Lagiou P, Acharya S, Merchant TE


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