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Screening with magnetic resonance imaging and mammography of a UK population at high familial risk of breast cancer: A prospective multicentre cohort study (MARIBS)

Leach, M.O., Boggis, C.R., Dixon, A.K., Easton, D.F., Eeles, R.A., Evans, D.G., Gilbert, F.J., Griebsch, I., Hoff, R.J., Kessar, P., Lakhani, S.R., Moss, S.M., Nerurkar, A., Padhani, A.R., Pointon, L.J., Thompson, D., Warren, R.M. and MARIBS, study group (2005) Screening with magnetic resonance imaging and mammography of a UK population at high familial risk of breast cancer: A prospective multicentre cohort study (MARIBS) The Lancet, 365, (9473), pp. 1769-1778. (doi:10.1016/S0140-6736(05)66481-1).

Record type: Article


Background Women genetically predisposed to breast cancer often develop the disease at a young age when dense breast tissue reduces the sensitivity of X-ray mammography. Our aim was, therefore, to compare contrast enhanced magnetic resonance imaging (CE MRI) with mammography for screening.
Methods We did a prospective multicentre cohort study in 649 women aged 35–49 years with a strong family history of breast cancer or a high probability of a BRCA1, BRCA2, or TP53 mutation. We recruited participants from 22 centres in the UK, and offered the women annual screening with CE MRI and mammography for 2–7 years.
Findings We diagnosed 35 cancers in the 649 women screened with both mammography and CE MRI (1881 screens): 19 by CE MRI only, six by mammography only, and eight by both, with two interval cases. Sensitivity was significantly higher for CE MRI (77%, 95% CI 60–90) than for mammography (40%, 24–58; p=0·01), and was 94% (81–99) when both methods were used. Specificity was 93% (92–95) for mammography, 81% (80–83) for CE MRI (p<0·0001), and 77% (75–79) with both methods. The difference between CE MRI and mammography sensitivities was particularly pronounced in BRCA1 carriers (13 cancers; 92% vs 23%, p=0·004).
Interpretation Our findings indicate that CE MRI is more sensitive than mammography for cancer detection. Specificity for both procedures was acceptable. Despite a high proportion of grade 3 cancers, tumours were small and few women were node positive. Annual screening, combining CE MRI and mammography, would detect most tumours in this risk group.

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Published date: 2005
Organisations: Cancer Sciences


Local EPrints ID: 40670
ISSN: 0140-6736
PURE UUID: ceec0b10-7ecf-4968-ad0a-31f4ccb4ff42

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Date deposited: 07 Jul 2006
Last modified: 27 May 2017 04:05

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Author: M.O. Leach
Author: C.R. Boggis
Author: A.K. Dixon
Author: D.F. Easton
Author: R.A. Eeles
Author: D.G. Evans
Author: F.J. Gilbert
Author: I. Griebsch
Author: R.J. Hoff
Author: P. Kessar
Author: S.R. Lakhani
Author: S.M. Moss
Author: A. Nerurkar
Author: A.R. Padhani
Author: L.J. Pointon
Author: D. Thompson
Author: R.M. Warren
Author: study group MARIBS

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