Reduced serum immunoglobulin (IgA, IgG, IgM) levels developed in the majority of 27 patients with hematologic disorders after treatment with 100-350 R total-body gamma-ray exposures at a dose rate of either 1.5 R/min to 1.5 R/hr. A reduction in IgA of 20% or more was found in 66% of the cases, while 56% showed an IgM decrease, and 49% an IgG decrease of 20%. The severity of immunoglobulin depression was influenced by the total radiation dose and the patient's primary disease. The occurrence of IgG and IgM depression was greater when the radiation was given at 1.5 R/hr than when the dose rate was 1.5 R/min. Substantial but incomplete recovery toward preirradiation immunoglobulin levels was found for most patients by 7 wk after total-body irradiation (TBI).
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Research Article| April 01 1975
Serum Immunoglobulin Levels in Humans Exposed to Therapeutic Total-Body Gamma Irradiation
Stuart Chaskes ;
G. Charles Kingdon ;
Radiat Res (1975) 62 (1): 145–158.
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Stuart Chaskes, G. Charles Kingdon, Edward Balish; Serum Immunoglobulin Levels in Humans Exposed to Therapeutic Total-Body Gamma Irradiation. Radiat Res 1 April 1975; 62 (1): 145–158. doi: https://doi.org/10.2307/3574192
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