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Abstract

French

Purpose:

To review breast magnetic resonance imaging (MRI) features of radial scar (RS) with and without associated atypia/malignancy.

Methods:

Twenty-eight (mean age 56.8) patients diagnosed with 30 biopsy-proven RS (n = 25, ultrasound-guided 14-gauge, n = 5, stereotactically guided 9-gauge) subsequently underwent breast MRI followed by surgery. Magnetic resonance imaging protocol included axial T1, axial fat sat T2, and postgadolinium in axial and sagittal planes. Two radiologists reviewed the mammographic and MRI findings in consensus according to the Breast Imaging Reporting and Data System lexicon.

Results:

Of the 30 RSs excised surgically, 14 (14/30, 47.7%) were not associated with atypia/malignancy while atypia/malignancy was found in 16 (16/30, 53.3%) RSs. Three (3/30, 10%) RS lesions did not enhance on dynamic MR. Mean lesion size on MRI was 1.4 cm (range, 0.5-5 cm). Seventeen (17/30, 56.7%) lesions presented as nonmass enhancement and 9 (9/30, 30%) as masses. Nonmass lesions showed focal distribution (13/17, 76.5%) and heterogeneous enhancement (15/17, 88.2%). Masses showed irregular shape and margins (6/9, 67%) and heterogeneous enhancement (8/9, 89%). Multivariate analysis did not show any significant difference in MRI presentation between RS only and RS associated with atypia/malignancy.

Conclusion:

Breast MRI does not help differentiate between RS with or without associated atypia/malignancy.

Keywords

radial scar complex sclerosing lesion breast cancer mammography breast MRI breast biopsy

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Breast MRI Does Not Help Differentiating Radial Scar With and Without Associated Atypia or Malignancy

Abstract

Purpose:

Methods:

Results:

Conclusion:

Keywords

Get full access to this article

References

Supplementary Material