Eggshell calcifications - breast

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain


Screening mammography. Negative familial history of breast cancer.

Patient Data

Age: 60 years
Gender: Female

A few small, rounded, relatively lucent lesions with thin marginal calcification at the left breast resembling eggshell appearance and typical for small oil cysts.

There are also several benign-type round calcifications scattered.

Case Discussion

Eggshell calcifications in the breast are benign peripheral rim-like calcifications and are typically secondary to fat necrosis or calcification of oil cysts. (BI-RADS 2)

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