Eggshell calcification (breast)

Last revised by Dr Mark Thurston on 26 Jul 2017

Eggshell calcifications in the breast are benign peripheral rim like calcifications

Pathology

They are typically secondary to fat necrosis or calcification of oil cysts.

Radiographic features

  • thin rim-like calcification (<1 mm in thickness)
  • lucent centers
  • small to several centimeters in diameter (oil cyst)
  • may disappear (fat necrosis)

See also

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