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Short report
Germline BRCA1 and BRCA2 testing for breast cancer survivors

Abstract

Background For patients with early breast cancer, knowledge of germline BRCA1/2 status increasingly influences management as well as informing future cancer risk for patients and their families. As access to germline testing expands, it is important that this benefit is extended to survivors as well as to the newly diagnosed.

Methods In collaboration with our breast unit colleagues and by embedding a Senior Genetic Counsellor in the virtual multidisciplinary meeting, we identified patients suitable for genetics review 5 years after their breast cancer diagnosis.

Results Between May 2015 and December 2018, 2044 patients were discussed, of whom 769 patients were identified for notes review by Genetics. Of these, 275 had already undergone testing and 47 had confirmed germline pathogenic variants in BRCA1/2. A further 463 were recommended for referral. One hundred and eighty patients were subsequently offered testing with 161 accepting (161/180, 89%). Nine patients were found to harbour pathogenic variants in either BRCA1 or BRCA2 (9/161, 6%). Of the initial 2044 patients reviewed, 2.7% (56/2044) are now known to carry germline pathogenic variants.

Conclusion The survivorship setting provides an opportunity for genetic review underpinned by collaborative working between cancer specialists and the genetics team.

  • BRCA1
  • BRCA2
  • Cancer: breast
  • survivorship
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