Eggshell calcification (breast)
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
