BETA-DOSE POINT KERNELS FOR RADIONUCLIDES OF POTENTIAL USE IN RADIOIMMUNOTHERAPY

  • 1 June 1989
    • journal article
    • research article
    • Vol. 30  (6) , 1036-1046
Abstract
Beta dose point kernels for 32P, 67Cu, 90Y, 131I, 186Re, and 188Re nuclides appropriate for radioimmunotherapy are calculated based upon Monte Carlo results. The calculations are shown to differ significantly from values based upon solutions to the electron transport equation. Agreement with experiment for 32P is found to be improved for the former as compared with the latter. Values of the scaled dose point kernels are tabulated at 4% intervals of the continuous slowing down approximation range of each of the six radionuclides. Beta dose distributions are also tabulated at corresponding distances from the source. This data may be used to calculate the spatial dose distribution expected following administration of radiolabeled monoclonal antibodies, aiding in optimum selection of the appropriate radionuclide. Parameters for functions providing analytic representation of the calculated scaled dose point kernels of individual beta groups are presented.

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