Is It Possible to Have a PET Scan Done and Still Have Lung Cancer?


Quick Answer

It is possible to have lung cancer after having a positron emission tomography scan, and a PET scan is one test used for diagnosis of cancer, states MedlinePlus. A PET scan is used to show how organs and tissues are functioning.

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Full Answer

A PET scan uses a radioactive substance known as a tracer in the bloodstream, according to Cleveland Clinic. The tracer is detected by the machine performing the scan, and the data is used to create a 3-D image of the body area being scanned.

PET scan uses include cancer diagnosis, determining how far a cancer has spread or evaluating the progress of cancer treatment, explains MedlinePlus.

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