X-ray radiation can be generated using radioisotope sources or X-ray tubes.
radioisotope imaging (~10 microns ).
Radioimmunoassay (a test to show concentrations of thyroid hormones with the use of a radioisotope mixed with fluid samples) helps confirm the diagnosis.
A thyroid scan is a nuclear medicine procedure involving injection of a radioisotope dye, which tags the thyroid and helps produce a clear image of inflammation or involvement of the entire thyroid.
There is a need within the biological community, especially for drug targeting, for subcellular radioisotope imaging (~10 microns ).