1953•Experimental Biology and MedicineRequires access
Effect of Repeated Doses of External and Internal Irradiation on Structure of the Spleen.
Horace Goldie, Gadson J. Tarleton, Barbara R. Jeffries, Paul F. Hahn
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Abstract
1. Minimal doses of internal irradiation (0.01 to 0.05 mc of colloidal radiogold) induced in C3H mice within 5 or 6 days a very marked congestive swelling of the spleen which lasted for about 14 days. No significant effect on size of the spleen could be obtained within a wide range (50 to 200 r) of small doses of external irradiation. 2. Large doses of radiogold (2 mc) as well as of external irradiation (1200 r) caused shrinkage and partial atrophy of the spleen within 3 days, the effect of the former being more severe. 3. Large dose of colloidal radiogold (2 mc) injected 5 or 6 days after pretreatment with a minimal dose (0.01 mc) of the same radioisotope induced within 3 days more marked shrinkage and more complete atrophy of the spleen than the same dose of radiogold without pretreatment. Substitution of radiogold