Excess risk for contralateral breast cancer in CHEK2*1100delC germline mutation carriers

  • Annegien Broeks
  • , Lot De Witte
  • , Anke Nooijen
  • , Angelina Huseinovic
  • , Jan G.M. Klijn
  • , Flora E. Van Leeuwen
  • , Nicola S. Russell
  • , Laura J. Van't Veer

Research output: Contribution to journalArticlepeer-review

74 Scopus citations

Abstract

We detected a significant excess risk for CHEK2*1100delC mutation carriers to develop a contralateral breast tumor, OR = 6.5 (95% CI 1.5-28.8, p = 0.005). The highest percentage of mutation carriers was detected among those bilateral breast cancer patients who had received radiation treatment for their first breast tumor. These results warrant prolonged medical surveillance and may indicate a clinically important interaction between CHEK2 heterozygosity and radiation in the development of contralateral breast cancer.

Original languageEnglish
Pages (from-to)91-93
Number of pages3
JournalBreast Cancer Research and Treatment
Volume83
Issue number1
DOIs
StatePublished - Jan 2004
Externally publishedYes

Keywords

  • Breast cancer
  • CHEK2
  • Contralateral
  • Mutation
  • Radiation

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