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A major use of systemic radioisotope therapy is in the treatment of bone metastasis from cancer. The radioisotopes travel selectively to areas of damaged bone, and spare normal undamaged bone. Isotopes commonly used in the treatment of bone metastasis are radium-223, [112] strontium-89 and samarium (153 Sm) lexidronam. [113]
Cobalt therapy is the medical use of gamma rays from the radioisotope cobalt-60 to treat conditions such as cancer.Beginning in the 1950s, cobalt-60 was widely used in external beam radiotherapy (teletherapy) machines, which produced a beam of gamma rays which was directed into the patient's body to kill tumor tissue.
Researchers at the University of Missouri are using radioisotope terbium-161 produced at the MU Research Reactor to develop future cancer treatment. ... 161 can one day treat cancer patients. The ...
is about 662 keV. These gamma rays can be used, for example, in radiotherapy such as for the treatment of cancer, in food irradiation, or in industrial gauges or sensors. 137 Cs is not widely used for industrial radiography as other nuclides, such as cobalt-60 or iridium-192, offer higher radiation output for a given volume.
A radioisotope produced by the MU Research Reactor for a drug manufacturer now is being injected into prostate cancer patients at MU Health Care.
Some α emitting isotopes such as 225 Ac and 213 Bi are only available in limited quantities from 229 Th decay, although cyclotron production is feasible. [9] [10] [11] Among alpha-emitting radiometals according to availability, chelation chemistry, and half-life, 212 Pb is also a promising candidate for targeted alpha-therapy.
Historical image showing Gordon Isaacs, the first patient treated with linear accelerator radiation therapy (in this case an electron beam) for retinoblastoma in 1957. Gordon's right eye was removed January 11, 1957, because his cancer had spread.
Radioactive isotopes are used in medicine for both treatment and diagnostic scans. The most common isotope used in diagnostic scans is Technetium-99m, used in approximately 85% of all nuclear medicine diagnostic scans worldwide.