Why do you need to do a tomographic scan after the whole body bone imaging?

Suggestion: CT is just an examination machine, or a method, which can be used for both general examination and local examination. CT machine is a computerized X-ray tomography camera, which is developed from X-ray machine. Its resolution and qualitative diagnosis accuracy are much higher than those of ordinary X-ray machines. Generally speaking, CT can be used to examine all organic diseases, especially those with large density difference.