Punctate microcalcification within the breast

Punctate microcalcifications in the breast are defined as calcific opacities < 0.5 mm in diameter seen within the acini of a terminal duct lobular unit.



Radiographic features

  • < 0.5 mm in size 
  • small, round
  • uniform in appearance
  • diffuse
  • often bilateral
BIRADS categories
  • BIRADS 2:  when scattered round calcifications
  • BIRADS 3 or 4: when in isolated cluster or if new or ipsilateral to a cancer
Breast imaging and pathology
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Article information

rID: 25776
System: Breast
Section: Signs
Tag: cases
Synonyms or Alternate Spellings:
  • Mammary punctate microcalcification
  • mammographic punctate microcalcification
  • Punctate microcalcification on mammogram
  • Punctate microcalcifications in the breast
  • Punctate microcalcification within breast

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Cases and figures

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    Case 1: calcum powder masquerading as punctate microcalcification
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