Presentation
Routine screening mammogram.
Patient Data
A well circumscribed mass is present in the upper outer quadrant of the left breast, situated just superficial to the breast cone.
The circumscribed mass in the left upper outer quadrant was present previously, but has increased in size. The interval change, rather than the appearance, prompts further workup.
Ultrasound demonstrates a solid, vascular mass within a cystic space, with clearly visualized intraductal extension. Appearance in keeping with a papillary lesion.
The lesion underwent core biopsy, followed by excisional biopsy. Histopathology confirmed benign intraductal papilloma.
Case Discussion
Intraductal papilloma of the breast, in this case nicely outlined by the associated cyst.