A/Prof. Dion Forstner

  • Radiation Oncologist
  • Spoken languages English


Special clinical interests in head & neck, skin cancers.

Dion Forstner a conjoint Associate Professor with UNSW and has for worked for Genesiscare in NSW since 2018.  He is based at St Vincent’s Hospital and Macquarie University Hospital and prior to this he was Head of Department of Radiation Oncology in South Western Sydney Local Health District for 9 years. His clinical focus is in the in management of head and neck cancers and skin cancers.

He had an idyllic childhood growing up in Tasmania and graduated from the University of Tasmania with honours in 1994. He trained in Radiation Oncology in South Australia and for 15 years he practiced in the wonderfully diverse population of south western Sydney. Dion set up multidisciplinary clinics in for Head and Neck and Skin Cancers with very broad multidisciplinary membership.  He has an interest in the appropriate implementation of new technology and ensuring sustainable funding of care. Dion has had many education roles and long had a passion for looking after our future – our trainees, and also in his leadership roles have been driven by a need to take great care of our existing workforce.

From 2014 to 2018 Dion headed up the professional body for radiation oncologists in Australia and new Zealand as Dean of Faculty of Radiation Oncology at Royal Australian and New Zealand College of Radiologists.  In that role, he had a strong interest in quality, workforce, education and advocacy.  He remains involved with RANZCR as Chair of the MBS working group – leading implementation of the completely new MBS schedule for radiation oncology and as member of the Indigenous Health Working Group.  Dion sits on the Boards of the Clinical Oncology Society of Australia (COSA) and Beyond Five and is a member of the NSW Government’s Radiation Advisory Council. He is a member of Cancer Australia’s Intercollegiate Advisory Group.

Clinical interests

  • Medical leadership
  • Medical education

Professional memberships



  1. Rumley C, Lee M, Holloway L, Rai R, Min M, Forstner D, Fowler A, Liney G: Multiparametric magnetic resonance imaging in mucosal primary head and neck cancer: a prospective imaging biomarker study: BMC Cancer. 2017 Jul 10;17(1):475. doi: 10.1186/s12885-017-3448-5.
  2. Lin P; Min M; Lee M; Holloway L; Forstner D; Bray V; Fowler A, ‘Nodal parameters of FDG PET/CT performed during radiotherapy for locally advanced mucosal primary head and neck squamous cell carcinoma can predict treatment outcomes: SUV mean and response rates, European Journal of Nuclear Medicine and Molecular Imaging, vol. 44, pp. 801 – 811, 2017 
  3. Min M, Lin P, Lee MT, Ho Shon I, Lin M, Forstner D, Bray V, Chicco A, Tieu MT, Fowler A (2015): Prognostic role of metabolic parameters of 18FDG PET-CT scan performed during radiation therapy in locally advanced head and neck squamous cell carcinoma. European Journal of Nuclear Medicine and Molecular Imaging June vol. 42, pp. 1984 – 1994
  4. Forstner DF, Yap ML: Advances in radiation therapy. Medical Journal of Australia. 2015 Nov 16, 203(10):394-395
  5. Smith BA, Mancuso P, Sidhom M, Wong K, Berry M, Rincones O, Forstner D, Bokey L, Girgis A: Prostatectomy verses radiotherapy for early-stage prostate cancer (PREPaRE) study: protocol for a mixed-methods study of treatment decision-making in men with localised prostate cancer. BMJ Open;7:e018403. doi: 10.1136/bmjopen-2017-018403