MRI Background Parenchymal Enhancement as a Risk Factor for Breast Cancer: The IMAGINg and Epidemiology (IMAGINE) Study

Proposed Study Methods Pertaining to the Population, Eligibility and Recruitment In this multi-center hospital-based case-control study, cases will be women diagnosed with incident breast cancer who have undergone or are about to undergo a bilateral breast MRI with contrast to assess extent of disease. The cancer-free controls will be women at high-risk of breast cancer undergoing a bilateral breast MRI with contrast for screening. The MRI collected for the study may be post-biopsy and post-surgery (unilateral lumpectomy/mastectomy), but prior to bilateral mastectomy, radiation, hormonal, and/or chemotherapy. Study participants also need to have a bilateral mammogram available at the study site within 24 months prior to, or up to 24 months after the study MRI (as long as prior to surgery, radiation, hormonal, and/or chemotherapy), to be included in the secondary aim analysis. The MRI/mammogram selected for this study do not need to be conducted at the recruitment site, the digital images just need to be accessible from the patient medical records at the site. Questionnaire data, optional saliva samples, MRIs, mammograms, and medical records will be collected over a 27 month period from women at three NCI-designated comprehensive cancer centers (MSK, Penn, Utah). Each site has demonstrated experience with recruitment, patient interviews and collection of MRIs and mammograms.