Milk of calcium within breast cysts

Case contributed by Dr Yair Glick

Presentation

Routine follow-up

Patient Data

Age: 55 years
Gender: Female

Right
Soft tissue masses: scattered, round, of varying sizes - known cysts
Calcifications: scattered, delicate
Fibroglandular tissue: normal
Skin and nipple shadow: normal
BI-RADS 2 - benign

Left
Soft tissue masses: scattered, round, diameter between 2-33 mm - known cysts
Calcifications: scattered, delicate
Fibroglandular tissue: normal
Skin and nipple shadow: normal
BI-RADS 2 - benign

On the enlarged views (not magnifications but on-screen 250% blow-ups) centered on the fibroglandular tissue of the left breast, one can see milk of calcium sedimentation in many tiny cysts as rounded smudges on the craniocaudal (CC) view, teacup-shaped foci (i.e. shaped like a segment of a circle) on the lateral view due to cyst-milk of calcium levels, and something in-between on the the mediolateral (MLO) view, with some showing levels on the MLO view as well.

The arrows point to several of the milk of calcium-containing cysts on each of the enlarged views.

Case Discussion

Milk of calcium in breast cysts is quite a common finding on mammography and is a reassuring feature of benignity.


I wish to thank Dr. Arie Rundstein for providing this case.

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