Meditsinskaya Radiologiya 1989-01-01

[Morphometric research in determining the absorbed dose in the lungs formed from aspirated radionuclides].

A E Ivanov, E I Uvarova

文献索引：Med. Radiol. (Mosk.) 34(1) , 60-5, (1989)

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摘要

Macro- and microtopography of the distribution of aspirated colloidal 144CeF3 in autographs of rabbit lung total sections were examined with the help of a monitoring-measuring device "Videoplan" and microcomputer. Quantitative assessment of photoemulsion-blackening areas at the site of radionuclide concentration has confirmed that aspirated radionuclides are distributed in the lungs according to the same laws as nonradioactive aerosols: the relation of total microvolumes of actually irradiated pulmonary tissue to the entire lung volume long after radionuclide entry is shown; a possibility to use these data for determination of an actually absorbed dose in microvolumes of pulmonary tissue during aspiration of radionuclides is considered.

相关化合物

  • 氟化铈

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