A member asked:

Can you tell me how are radio-active elements used in medicine?

A doctor has provided 1 answer

Many uses: Radioactive chemicals can be injected for treatment such as Radio-iodine for thyroid destruction. They can be used for diagnosis such as PET scans to measure tissue activity and bone scans. They can be used as a source of external radiation for focused treatment such as the gamma knife. This has fostered a sub-specialty of nuclear medicine.

Answered 11/28/2017

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