What is a PET scan?
A PET scan or positron emission tomography scan uses radiotracers to see and measure changes in metabolic processes, diseased cells and blood flow.

How long does a PET scan take?
The entire process can take about 2 hours or more since it takes about an hour or so to  absorb the injected radiotracer. The actual scan time is about 45 minutes.
The patient lies on a motorized stretcher to move into a short tunnel in the center of the PET scanner. 

What does a PET scan show?
PET scans are used to detect early signs of cancer, heart disease and brain disorders. The PET scan can show normal and abnormal metabolic activity.
PET scans are often combined with CT scans to produce even greater detail.

What is the cost of a PET scan?
PET scan costs range considerably from about $1,200 to several thousands of dollars.
Typically PET scans are far more expensive when done in hospitals or when using your health insurance plan to pay for the study. 

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Written by HEALTHdrum