68-year-old woman with mammary duct ectasia. Axial T1-weighted mammary MR ductogram shows multiple dilated hyperintense mammary ducts with small filling defects (arrow) corresponding to thick secretio

68-year-old woman with mammary duct ectasia. Conventional ductogram, craniocaudal view, shows dilated mammary duct with questionable round filling defect (arrow) that is suggestive of inspissated secr

Duct ectasia in the right breast in a 13-year-old girl. US scan depicts anechoic tubular structures

Retroareolar duct ectasia in a young pregnant woman

Ductal ectasia