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Case number:	133
Age:	42
Clinical presentation:	Premenopausal woman presented for mammography screening. She had an increased risk of developing breast cancer in view of family history of breast cancer.

Mammography:

Breast composition:	ACR category a (the breasts are almost entirely fatty)
Mammography features:
‣ Location of the lesion:	None
‣ Mass:
• Number:	0
• Size:	None
• Shape:	None
• Margins:	None
• Density:	None
‣ Calcifications:
• Typically benign:	None
• Suspicious:	None
• Distribution:	None
‣ Architectural distortion:	None
‣ Asymmetry:	None
‣ Intramammary node:	None
‣ Skin lesion:	None
‣ Solitary dilated duct:	None
‣ Associated features:	None

BI-RADS:

BI-RADS Category: 1 (negative)

Case summary:

Premenopausal woman with increased risk of developing breast cancer presented for mammography screening. Diagnosed as BI-RADS 1 on imaging.

Learning points:

Mammography screening delivered in a quality-assured manner is highly efficient in detecting disease at an early stage in asymptomatic women and can reduce breast cancer mortality by nearly 40% in the screened women.