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Extra training that raises pay

• PET (positron emission tomography)

  Advanced cancer imaging, often combined with CT (computed tomography). Few people trained, steady demand.

• CT (computed tomography)

  Most nuclear medicine cameras are now hybrid machines, so CT (computed tomography) skills are expected. A short post-diploma course.

• Radiopharmacy

  Preparing and quality-testing the tracers. Some technologists move into commercial radiopharmacies.

• Theranostics

  Using radioactive drugs to treat cancer, not just image it. A fast-growing area in big cancer centres.