Stromal Fibrosis of the Breast: A Spectrum of Benign to Malignant Imaging Appearances

Figure 4

41-year-old woman presenting for screening. Mammography (not shown) demonstrated heterogeneously dense breast with no suspicious abnormality. (a) Screening ultrasound shows a hypoechoic mass with irregular shape and margin. The patient was lost to follow-up after the biopsy. (b) Dense fibrous stroma with small capillaries (arrows) and adjacent appearing lobular units.

(a)

(b)