Prostate and other soft-tissue cancers are often treated with radioactive sources implanted or inserted into the body. But monitoring the dose is problematic.

Medical physicists at Melbourne’s RMIT University are developing a technique to monitor the radiation dose more accurately.

In high dose rate brachytherapy, tumours are targeted by radioactive sources temporarily inserted into the body.

“Until now, it has not been possible to check at the time of delivery whether the doses received by the tumour and by surrounding healthy tissue matched the planned levels,” says Dr Rick Franich, Medical Radiation Physics group leader at the University’s Health Innovations Research Institute.
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