Recording of hormone therapy and breast density in breast screening programs: summary and recommendations of the International Cancer Screening Network
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Breast density and the use of hormone therapy (HT) for menopausal symptoms alter the risk of breast cancer and both factors influence screening mammography performance. The International Cancer Screening Network (ICSN) surveyed its 29 member countries and found that few programs record breast density or the use of HT among screening participants. This may affect the ability of programs to assess their effectiveness in reducing breast cancer mortality. Seven countries recorded the use of HT at screening, and some were able to link screening records to individual prescribing records of HT. Eight countries reported recording breast density at screening mammography for some or all women screened. The recommendations of the ICSN for recording information about breast density and HT are presented.
KeywordsBreast screening Breast density Hormone therapy Program monitoring
We gratefully acknowledge the following members of the International Cancer Screening Network who provided information about their screening programs: Julianne Quaine (Australia), Ronaldo Silva Correa (Brazil), Jay Onysko (Canada), Adam Svoboknik (Czech Republic), Elsebeth Lynge (Denmark), Dominik Deitz (Germany), Gad Rennert (Israel), Noriaki Hiroshi (Japan), Won Chul Lee (Korea), Jacques Fracheboud (Netherlands), Solveig Hofvind (Norway), Jean-Luc Bulliard (Switzerland), Sue Moss (United Kingdom), Rod Walker (United States), and Gonzalo Pou (Uruguay). We also thank Gretchen Keel at Information Management Systems, Inc. for her programing support for the development and synopsis of the web survey, and Kathy Sedgwick at NOVA Research Company for her logistical support for the working group. Brian Cox was supported by the Director’s Cancer Research Trust. We also acknowledge funding support for this project from the National Cancer Institute, National Institutes of Health, United States. This study was partially supported by the National Cancer Institute Breast Cancer Surveillance Consortium (BCSC) (U01CA63740, U01CA86076, U01CA86082, U01CA63736, U01CA70013, U01CA69976, U01CA63731, U01CA70040).
Conflicts of interest
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