Fig. 4

A 82-year-old woman with a history of resected DCIS in the right breast. She presented with a 3-week history of serous sanguineous spontaneous nipple discharge. There were post-surgical changes in the right upper outer quadrant, including the known seroma, which appeared slightly decreased overall compared to previously. The right breast ultrasound did not show any suspicious lesion. In ductography, multiple ducts were opacified and extended into the upper outer breast towards the lumpectomy site with a cut-off at the seroma site. No filling defect within the ducts was identified. The nipple discharge was suspected to be coming from a seroma secondary to fistulization of the seroma within the ducts. A short-term follow-up US was recommended. After a few months, the discharge stopped