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CISDOC database

Document ID (ISN)18805
CIS number 73-1310
ISSN - Serial title 0028-0836 - Nature
Year 1973
Convention or series no.
Author(s) Lloyd D.C.
Title Chromosome aberration dosimetry in a case of overexposure to radiation
Bibliographic information 5 Jan. 1973, Vol.241, No.5384, p.69-70. 7 ref.
Abstract Description of a case where a radiation worker was referred to hospital with radiation injury to both hands after working for 3yrs with iridium-192 sources; 2yrs later the chromosome aberration technique was used to assess accumulated radiation dose, as he had continued in radiation work. From a blood sample lymphocyte cultures were made and 500 metaphase spreads were examined, with the following results: dicentrics, 49; centric rings, 7; acentric rings, 10; interstitial deletions, 31; terminal deletions, 21. It is claimed that studies of this kind illustrate the valuable contribution of chromosome analysis to radiological protection practice, espcially where there is a lack of reliable physical dosimetry data, as well as to the eventual evaluation of risk of the late effects of radiation in terms of acute biological effect.
Descriptors (primary) radioactive substances; personnel monitoring; chromosome changes; genetic effects
Descriptors (secondary) ionizing radiation; radiation protection; case study; iridium; irradiation; hand injuries; radiation injury; biological effects; blood cytology; analysis of chromosome aberrations; cytology; hazard evaluation
Document type D - Periodical articles
Subject(s) Radiation
Broad subject area(s) Physical hazards
Browse category(ies) Genetic factors in reaction to exposures
Antifertility and prenatal effects