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Cosmic radiation and leukaemia
Radiotherapy, whether in an aeroplane or a hospital, could lead to the deletion or loss of chromosome 7.
Email: Tudor Toma - ttoma@mail.dntis.ro News from The Scientist 2001, 2(1):20010104-01
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Deletion or loss of the long arm of chromosome 7 in myelodysplasia and acute myeloid leukaemia could indicate previous exposure to ionising radiation, says Dr Maryanne Gundestrup from the University of Copenhagen (Lancet 2000; 356: 2158). This finding can be used as a marker for an increased risk of acute myeloid leukaemia due to increased exposure to radiation in persons, such as aircrew members exposed to cosmic radiation or patients after radiotherapy.
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