ESTIMATES OF RADIATION-DOSE TO EMBRYO FROM NUCLEAR-MEDICINE PROCEDURES

  • 1 January 1976
    • journal article
    • research article
    • Vol. 17  (9) , 836-839
Abstract
These phantom studies and computer calculations provide a direct means of estimating the radiation dose to the human embryo resulting from the administration of a radiopharmaceutical to the mother during organogenesis. The specific absorbed fractions to the embryo from 19 source organs were computed for 12 monoenergetic photon energies. Tables of absorbed dose per unit cumulated activity, S, for the embryo as a target organ were assembled for 99mTc, 111In, 113mIn, 123I, 131I, and 133Xe. The dose to the embryo was calculated for several of the radiopharmaceuticals for which dose estimate reports were published.

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