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10.1245/s10434-007-9622-2
Annals of Surgical Oncology 15:452-461 (2008)
© 2008 Society of Surgical Oncology
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Original Article

MRI Screening in a Clinic Population with a Family History of Breast Cancer

Jeanne Yu, MD1, Anna Park, BS1, Elizabeth Morris, MD2, Laura Liberman, MD2, Patrick I. Borgen, MD1 and Tari A. King, MD1

1 Breast Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
2 Breast Imaging, Department of Radiology, Memorial Sloan-Kettering Cancer Center, New York, NY, USA

Correspondence: Address correspondence and reprint requests to: Tari A. King, MD; E-mail: kingt{at}mskcc.org

Background: Breast MRI is increasingly being used in patients at increased risk for breast cancer; however, guidelines for MRI screening are inadequately defined. We describe our experience with MRI screening in a large population of women with a family history of breast cancer.

Methods: We retrospectively reviewed the Memorial Sloan–Kettering breast cancer surveillance program prospective database from April 1999 to July 2006. Patients with a family history of breast cancer and at least 1 year follow-up were identified. All patients were offered biannual clinical breast examination (CBE) and annual mammography (MMG). MRI screening was performed at the discretion of the physician and patient.

Results: Family history profiles revealed 1,019 eligible patients; median follow-up was 5.0 years. MRI screening was performed in 374 (37%) patients resulting in a total of 976 MRIs during the study period. Cancer was detected in 9/374 patients (2%) undergoing MRI screening. Seven cancers were detected by MRI only, for a cancer detection rate of 0.7% (7/ 976) for screening MRI. When stratified by family risk profile, the positive predictive value (PPV) of MRI was higher (13%) in those patients with the strongest family histories and lower (6 %) in patients with less significant family histories.

Conclusions: MRI screening can be a useful adjunct to CBE and MMG in patients with high-risk family histories of breast cancer, yet it has low yield in patients with lower-risk family histories. These data suggest that MRI screening should be reserved for those at highest risk.

Key Words: Magnetic resonance imaging • Breast cancer screening • Family history • Familial breast cancer






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