Research brief: Radiation therapy raises brain tumour risk

Radiation used to treat childhood cancers increases the risk of brain cancer later in life, a US study has shown.

It included data from 14,361 survivors of childhood cancer, of whom 116 went on to develop primary CNS neoplasms. The researchers found that there was a dose-dependent association with radiation therapy (J Natl Cancer Inst 2006; 98: 1,528–37).

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