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Radiation does from medical in-vivo prompt gamma-ray activation using a mobile nuclear reactor

Chung, C.; Chen, C.P.; Chang, P.S.

Health Physics 55(4): 671-683

1988

ISSN/ISBN: 0017-9078
PMID: 3170218
Document Number: 323631
A method of medical diagnosis of toxic elements, using a neutron beam from a mobile nuclear reactor to perform partial-body in-vivo prompt .gamma.-ray activation technique, has been developed. Both neutron and .gamma.-ray dose equivalents in an irradiated phantom and around medical researches were measured and evaluated. Neutron flux at various kinetic energies was measured using an activation foil technique, and the neutron dose equivalents at tissues of risk inside the irradiated phantom were calculated by neutron transport code. Gamma-ray dose equivalents inside the irradiated phantom and around the nuclear reactor were measured by thermoluminescent dosimeters. The risk associated with the neutron and .gamma. radiation dose equivalents received by both the irradiated phantom and medical researches were evaluated in detail. The radiation safety of the in-vivo medical diagnosis using the mobile nuclear reactor, under the context of radiation protection guidelines, is discussed.

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