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Ann Surg Oncol. 2008 Feb;15(2):452-61. Epub 2007 Nov 17.

MRI screening in a clinic population with a family history of breast cancer.

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

Abstract

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.

PMID:
18026801
DOI:
10.1245/s10434-007-9622-2
[Indexed for MEDLINE]
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