Spot compression tomosynthesis view demonstrates a tubular hyperdense mass that appears contiguous with a duct. Breast ultrasound shows an oval heterogenous circumscribed mass within a duct.
WHY IT MATTERS:
b. Invasive ductal carcinoma
c. Ductal debris (not a true mass)
Intraductal Mass on Breast Ultrasound: Final Outcomes and Predictors of Malignancy (AJR, 2013)