What are some commonly used radioisotopes in diagnostic nuclear medicine?
Such radioisotopes are often used to label specific molecular compounds that target a molecular process, cellular process, or disease of interest which may then be imaged.
Commonly Used Radioisotopes in Diagnostic Nuclear Medicine
NAME | PHYSICAL HALF-LIFE | USED WITH |
---|---|---|
Technetium-99m ( 99m Tc) | 6 hours | Planar scintigraphy, SPECT |
Iodine-123 ( 123 I) | 13.2 hours | Planar scintigraphy, SPECT |
Indium-111 ( 111 In) | 67 hours | Planar scintigraphy, SPECT |
Thalium-201 ( 201 Tl) | 73.1 hours | Planar scintigraphy, SPECT |
Gallium-67 ( 67 Ga) | 78.3 hours | Planar scintigraphy, SPECT |
Xenon-133 ( 133 Xe) | 5.3 days | Planar scintigraphy, SPECT |
Rubidium-82 ( 82 Rb) | 1.3 minutes | PET |
Oxygen-15 ( 15 O) | 2 minutes | PET |
Nitrogen-13 ( 13 N) | 10 minutes | PET |
Carbon-11 ( 11 C) | 20 minutes | PET |
Gallium-68 ( 68 Ga) | 68 minutes | PET |
Fluorine-18 ( 18 F) | 110 minutes | PET |
Copper-64 ( 64 Cu) | 12.7 hours | PET |
Iodine-124 ( 124 I) | 4.2 days | PET |