Punctate microcalcification within the breast

Last revised by Daniel J Bell on 23 Nov 2021

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

Epidemiology

Associations

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

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