Invasive ductal carcinoma

Invasive ductal carcinoma is a subset of ductal carcinoma. It is an infiltrating, malignant and abnormal proliferation of neoplastic cells in the breast tissues. It is the most frequently seen breast malignancy

Peak age of presentation is about 50 to 60 years.

Large palpable, immobile mass.

Mammogram
  • spiculated hyperdense lesion
  • oval/lobulated lesion
  • microcalicifications
Ultrasound
  • ill-defined lesion
  • hypoechoic mass
  • hyperechoic angular margins
  • posterior accoustic shadowing
  • ductal extension may be seen which is extension of the lesion into surrounding parenchyma
  • branched or spiculated pattern
  • microcalcifications
MRI
  • T1
    • isointense to parenchyma
    • hypointense to fat
  • T1 C+ (Gd)
    • ring enhacement with centripetal progression
    • dilated veins draining the tumor
  • T2
    • iso to hypointense to parenchyma
    • hyperintense edematous zone
Breast imaging and pathology
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Article information

rID: 29143
System: Breast
Section: Pathology
Synonyms or Alternate Spellings:
  • Infiltrating ductal carcinoma

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