Dr. Laura Dawson

Treatment of liver cancer

Dr. Dawson’s lab focuses on the development of high precision radiation techniques that allow radiation to be investigated for tumours previously unsuitable for radiotherapy due to proximity to critical adjacent normal tissues.

An example is primary and metastatic liver cancer, a site where local therapy with surgery has the potential to cure patients, but the majority of patients are inoperable. A phase I/II study of hypofractionated high precision radiotherapy for patients with liver cancer is open, where toxicities and benefits of such treatment are being investigated. The treatment protocol involves the use of high precision intensity modulated radiation, image guidance and breath hold radiation to minimize liver motion due to breathing.

The role of kV cone beam CT for image guidance is being investigated, as are new methods of describing normal tissue complication probability following radiotherapy.


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