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A Model of the Prostate Gland for Use in Internal Dosimetry

Medical Sciences Division, Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee

Correspondence: For correspondence and reprints contact: Michael G. Stabin, Oak Ridge Institute for Science and Education, Medical Sciences Division, P.O. Box 117, Oak Ridge, TN 37831.

ABSTRACT

Several radionuclides or radiolabeled pharmaceuticals may be taken up by the prostate gland. Methods: A model of the prostate gland has been developed and implemented in the adult mate mathematical phantom within software which calculates absorbed fractions of energy from activity in source regions within the phantom. Results: Specific absorbed fractions are reported for all target regions within the phantom for 12 discrete source energies from 0.01 to 4.0 MeV. S-values for all target regions for six radionuclides are also reported. Conclusions: This work provides another organ useful for internal dose calculations within the 70-kg phantom.

Key Words: prostate gland • internal dosimetry • S-values

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