Difference Between Pet Scan And Ct Scan. A pet scan stands for positron emisson tomography. A pet scan can detect diseases at an earlier stage than a regular ct scan.
Modern pet/ct scanners combine both pet and computed tomography (ct) scans almost simultaneously to provide a greater amount of clinical data to assist in the diagnosis process. This makes the process quite similar to an mri procedure. A major difference between a pet scan and a ct scan is the contrasting agents used in the body.
Ct scan vs pet scan.
Combining the benefits of pet and ct. While it sounds scary, the tracer typically leaves your body a few hours after the scan. You get the hot spots from the radioactive sugar water they put in you. It is an imaging procedure that helps determine appropriate diagnosis and decide necessary treatment for the impending disease.