MRI Case 2

49 y/o F presents for diagnostic MRI for extent of disease. What is the non-mass internal enhancement pattern?


  • Thin rings of enhancement clustered together around the ducts
  • Represents enhancement of the periductal stroma
  • Suspicious – concerning for DCIS
  • Next step: biopsy if unsampled

Related Radiology Article: Greenwood HI, Heller SL, Kim S, Sigmund EE, Shaylor SD, Moy L. Ductal carcinoma in situ of the breasts: review of MR imaging features. Radiographics. 2013 Oct;33(6):1569-88.