Breast hamartoma

Case contributed by Fatema Alzahraa Bahai Shurrab
Diagnosis certain

Presentation

The patient has presented with a right breast painless palpable mass for two years. Previous history of thyroid cancer. No family history of breast cancer.

Patient Data

Age: 45 years
Gender: Female
mammography

There is a well-circumscribed mixed-density lesion located in the upper outer quadrant of the right breast (containing both fatty and glandular components), giving a "breast within breast" appearance.

No associated suspicious microcalcifications.

No abnormal skin thickening.

Non-specific right axillary LN with fatty density hilum.

Case Discussion

Breast hamartoma, also known as "fibroadenolipoma", is a benign breast lesion that represents a benign proliferation of fibrous, glandular, and fatty tissue.

The mammogram shows a well-circumscribed, rounded, or oval-shaped mass surrounded by a thin capsule comprising both fat and soft tissue densities, giving the classic appearance of "breast within breast".

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