The CT scanner is used for taking digital images of the body. Modern machines can collect a vast amount of information which can enable the radiographer to create images (slices) at almost any angle through the body. CT scans can take whole body scans and are particularly useful for looking at the bowel and liver.
Shielding for a CT scanner is typically 2 – 2.5mm lead. The Radiation Protection Advisor for the hospital is responsible for advising the actual shielding required and this will depend on a multitude of factors.