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Punctate microcalcification within the breast

Dr Henry Knipe and Dr Avni K P Skandhan et al.

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
BI-RADS categories
  • scattered round calcifications: BI-RADS 2
  • isolated cluster or if new or ipsilateral to cancer: BI-RADS 3 or 4
Breast imaging and pathology

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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