title: Influence of diagnostic roentgen doses on human chromosomes and influence of age on the aberration yield.
abstract: Urography was performed in 2 groups of patients (one comprising patients aged 7-18 years, the other patients aged 8-32 months) under constant conditions. The skin dose ranged between 1 and 4 R. Blood samples were taken before, immediately after and 24 hours after the irradiation. A significantly increased number of aberrant cells was found only in the blood samples taken 24 hours after irradiation. No age-dependent influence on the radiation sensitivity in vivo was found.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002869:Chromosome Aberrations; D002875:Chromosomes / Q000528:radiation effects*; D006801:Humans; D007223:Infant; D011829:Radiation Dosage; D011831:Radiation Genetics; D014567:Urography / Q000009:adverse effects*