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Case number:	169
Age:	48
Clinical presentation:	Perimenopausal woman with average risk of developing breast cancer presented to breast clinic with bilateral mastalgia. Clinical examination did not reveal any abnormality.

Mammography:

Breast composition:	ACR category c (the breasts are heterogeneously dense, which may obscure small masses)
Mammography features:
‣ Location of the lesion:	None
‣ Mass:
• Number:	0
• Size:	No mass
• Shape:	None
• Margins:	None
• Density:	None
‣ Calcifications:
• Typically benign:	Yes, with lucent centres indicating skin calcifications
• Suspicious:	None
• Distribution:	Diffuse in all quadrants and axillary region
‣ Architectural distortion:	None
‣ Asymmetry:	None
‣ Intramammary node:	None
‣ Skin lesion:	None
‣ Solitary dilated duct:	None
‣ Associated features:	None

BI-RADS:

BI-RADS Category: 2 (benign)

Case summary:

Perimenopausal woman presented with bilateral mastalgia. Diagnosed as bilateral breast, typically benign skin calcifications, BI-RADS 2 on imaging.

Learning points:

Skin calcifications are common, usually lucent-centred deposits with diffuse distribution over the breasts. They are more commonly seen along the sternal side, inner quadrants of the breasts, in the inframammary, axillary, or areolar regions. There is no need for follow-up of these typically benign calcifications.