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. Author manuscript; available in PMC: 2020 Nov 30.
Published in final edited form as: Surg Oncol Clin N Am. 2020 Apr;29(2):145–163. doi: 10.1016/j.soc.2019.11.002

Table 3.

Radionuclides currently in use for theranostics

Radioisotope (Emission) Average Path Length (mm) Mean Particle Energy (MeV)
225Ac (α) <0.1 5.59
212Pb (α) <0.1 6.0–8.8a
177Lu (β) 1.7 0.134
90Yt (β) 0.05–12 0.933
a

212Pb decays to 212Bi (36%) and 212Po (64%) with respective α energies.