All CT scans involve exposure to radiation. In theory, radiation can be harmful, but there have never been any proven negative effects at the low doses used in diagnostic imaging.

Jones Radiology has invested in up-to-date equipment in order to minimise radiation exposure to patients. We continuously monitor the radiation doses in our practice and they are almost always below the reference standards set by the national governing body, Australian Radiation Protection and Nuclear Safety Agency (ARPANSA).

The radiation exposure from a CT scan will vary with the type of scan and the size of the patient. Exposure to radiation from natural sources occurs every day and in many cases, the radiation dose from a CT scan would be equivalent to, or less than, the radiation from natural sources over the course of a year.

It is also important to remember that the risk of missing an important finding is almost always going to be larger than the theoretical risk from radiation from a CT scan.

For more information regarding radiation and medical imaging, please see the Australian Radiation Protection and Nuclear Safety Agency website and the Ionising Radiation and Health fact sheet.

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