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Fig. 4B. 46-year-old woman with 3-month history of nipple retraction
and vague palpable mass at 12-o'clock position who underwent MR imaging for
assessment of disease extent. Sagittal enhanced three-dimensional T1-weighted
fast spoiled gradient-recalled MR image (TR/TE, 17/2.4; flip angle, 35°)
depicts at least seven separate irregular and spiculated masses
(arrows) with heterogeneous enhancement in regional distribution,
highly suggestive of malignancy. This area was bracketed with MR imaging
guidance using three wires (not shown). Pathology at surgical biopsy revealed
multiple sites of infiltrating mixed ductal and lobular carcinoma as well as
ductal carcinoma in situ, with positive margins. Patient ultimately underwent
mastectomy.