Fat necrosis in both breasts

Case contributed by Dr Yair Glick

Presentation

None provided.

Patient Data

Age: 80 years
mammography

Cluster of coarse calcifications in the right breast at 11-12 o'clock.
Single coarse calcification in the left breast at 3 o'clock.

ultrasound

Coarse calcifications corresponding to the positions of those on the mammograms.

Case Discussion

The calcified masses were identified as foci of fat necrosis and remained unchanged for years. Nonetheless, Tru-cut biopsies were obtained 5 years after the above mammography and ultrasound studies:

Right breast, 12 o'clock - calcified mass, most probably fat necrosis.
Macroscopic description:
Yellow crumbs of tissue, 1.0-1.1 cm in diameter. Marked with hematoxylin.
Microscopic description:
Cores of fibro-fatty tissue with signs of fat necrosis, calcifications.

Left breast, 3 o'clock - calcified mass, most probably fat necrosis.
Macroscopic description:
Yellow crumbs of tissue, 0.2-0.3 cm in diameter. Marked with hematoxylin.
Microscopic description:
Cores of fibro-fatty tissue with signs of fat necrosis, calcifications.

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