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Case number:	003
Age:	75
Clinical presentation:	Postmenopausal woman with increased risk of developing breast cancer because of a family history of breast cancer presented for screening. Examination revealed no abnormality.

Mammography:

Breast composition:	ACR category a (the breasts are almost entirely fatty)
Mammography features:
‣ Location of the lesion:	Bilateral breasts
‣ Mass:
• Number:	0
• Size:	No
• Shape:	None
• Margins:	None
• Density:	None
‣ Calcifications:
• Typically benign:	Vascular calcification
• Suspicious:	None
• Distribution:	None
‣ Architectural distortion:	None
‣ Asymmetry:	None
‣ Intramammary node:	None
‣ Skin lesion:	None
‣ Solitary dilated duct:	None
‣ Associated features:	None

Ultrasound:

Ultrasound features: Homogeneous fatty parenchyma, no abnormality
‣ Mass
• Location:	Homogeneous fatty parenchyma, no abnormality
• Number:	0
• Size:	None
• Shape:	None
• Orientation:	None
• Margins:	None
• Echo pattern:	None
• Posterior features:	No posterior features
‣ Calcifications:	None
‣ Associated features:	None
‣ Special cases:	None

BI-RADS:

BI-RADS Category: 1 (negative)

Case summary:

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

Learning points:

The age at which mammography screening is started is usually 50 years, but some programmes may start screening at 45 years. Women undergoing regular screening may stop at 69 years or 74 years. In most programmes, mammography is recommended every 2–3 years.