Images in a 48-year-old woman who presented for screening. (IMAGE)

Radiological Society of North America

Images in a 48-year-old woman who presented for screening.

Caption

Images in a 48-year-old woman who presented for screening. (A) Image from digital breast tomosynthesis screening (synthesized two-dimensional mediolateral oblique view of the right breast) at year 1 was interpreted as negative and showing heterogeneously dense breast. (B) Image from molecular breast imaging screening (mediolateral oblique view) at year 1 reveals a nonmass segmental area of uptake in the right breast (arrows). (C) Contrast-enhanced MRI scan (subtraction maximum intensity projection) shows corresponding segmental nonmass enhancement measuring 9.8 cm to the greatest extent (arrow). MRI-guided core biopsy and lumpectomy revealed high-grade ductal carcinoma in situ, 2.5 cm in extent, estrogen receptor–negative, and progesterone receptor– negative lesions.

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Radiological Society of North America (RSNA)

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