How are radium or radioactive isotopes used?
Radium in hollow needles radioactive isotope wires are inserted into the cancerous growth are in the tissue surrounding it, and removed after treatment is concluded. Radium or radioactive isotopes in suitable containers may also he placed in contact with the growth as in cancer of the skin or cervix. In larger quantities they may be used at a distance from the body, the rays passing through an opening in the container into the cancerous growth.
