Does a bone scan use radiation?

Not much.: A fraction of a ct scan dose.

Yes: Yes, but less than the one used in x-ray or ct scan.

Nuclear Medicine: In a bone scan you are injected with a radioaactive isotope.

Yes: It is a nuclrear medicine study that uses a small amount of radiation similar to xrays. The amount usrd is not in a range that is harmful or should be worrisome if the exam is clinically warrented.

Yes: A radioactive isotope is used and injected into the blood. It is accumulated in the bones. It is the radiation that comes from the isotope that allows the images to be made. for more information, check out this link: https://en.wikipedia.org/wiki/Bone_scintigraphy