If you've suffered a serious injury or your doctor suspects cancer, a CT scan could be lifesaving. But since 1980, the number of those tests done each year has grown from fewer than 3 million to ...

Computed tomography (CT) scanning provides images of sections of the body (slices) using special X ray equipment and sophisticated computers. CT scans of internal organs ... There is no straight ...

The information from the PET scan and from the CT scan is different but complementary. The PET scan shows areas with increased metabolic activity, while the CT scan shows detailed anatomical locations ...