What is the appearance of duct ectasia on magnetic resonance mammography (breast MRI)?

Updated: Feb 25, 2019
  • Author: Preeti Gupta, MD, FRCR; Chief Editor: Eugene C Lin, MD  more...
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Answer

Answer

Duct ectasia may be visible on precontrast T1W images as hyperintense, dilated, retroareolar ducts because of proteinaceous secretions and hemorrhagic contents. They can mimic prominent enhancing ducts and can be potentially misleading. The use of subtraction images can prevent this pitfall.


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