Eggshell calcification (breast)

Last revised by Mohammad Taghi Niknejad on 2 Dec 2024

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 centres

  • small to several centimetres in diameter (oil cyst)

  • may disappear (fat necrosis)

See also

Cases and figures

  • Case 1
  • Case 2: tomosynthesis
  • Case 3: calcified oil cyst
  • Case 4: calcified oil cyst
  • Case5: oil cysts
:

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.