Death of a classified worker probably caused by overexposure to γ radiation

D. C. Lloyd*, Alan Edwards, E. J. Fitzsimons, C. D. Evans, R. Railton, P. Jeffrey, T. G. Williams, A. D. White, M. Ikeya, H. Sumitomo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


This paper describes the case of an industrial radiographer who was seriously overexposed to γ radiation. The exact circumstances of his exposure were not established but it was concluded that he was repeatedly irradiated probably to a total average whole body dose of at least 10 Gy over several years. Also, a much larger dose to a hand required its partial amputation. He developed myelodysplasia, which progressed to acute myeloid leukaemia from which he died. Karyotypic examination of the leukaemic blasts showed changes very similar to those associated with secondary leukaemia that may develop after radio or chemotherapy. The paper describes his medical case history, the investigation of his workplace, and the attempts to estimate his radiation dose by chromosomal analysis of blood lymphocytes and electron spin resonance of dental enamel and bone.

Original languageEnglish
Pages (from-to)713-718
Number of pages6
JournalOccupational and Environmental Medicine
Issue number10
Publication statusPublished - 1994


  • Industrial radiographer
  • Over-exposure
  • γ radiation


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