For tumours in the head and neck, or in organs that move constantly, like the lungs, kidneys, and liver, platinum seeds, about one third the size of a grain of rice, are implanted around a tumour. The seeds improve the CyberKnife robot’s accuracy in delivering precise doses of radiation by helping its software detect and track the motion of the tumour. These made-in-Ottawa platinum seeds are improving an already incredibly powerful and precise radiosurgery treatment system for tumours in the head, neck, and organs, such as lungs and liver.
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