Can a patient have a CT scan, diagnostic X-ray examination or MRI scan on the same day as the PET/CT scan? » After a PET scan, how long does a patient need to wait before using public transportation ...

A typical PET scan uses small amounts of radioactive material to detect diseases such as cancer and heart conditions, while a CT scan uses x-rays to capture cross-sectional images of internal organs.

The effective dose to the patient from a typical PET/CT examination may be in the range of 5-18 mSv ... Following injection of radioactive material and before the scan starts, it is important that the ...