What is the effect of extremely dense breasts on lesion detection in mammography?

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Multiple Choice

What is the effect of extremely dense breasts on lesion detection in mammography?

Dense breasts reduce lesion detection on mammography because the fibroglandular tissue appears white on the image, just like many abnormalities. This creates a masking effect where small cancers or subtle signs blend into the surrounding dense tissue, lowering the contrast and making them harder to spot. As density increases, the sensitivity of screening mammography decreases, so cancers can be missed more easily. In practice, this is why additional imaging such as ultrasound or MRI, or newer approaches like 3D mammography, is often considered to improve detection in very dense breasts.

Dense breasts reduce lesion detection on mammography because the fibroglandular tissue appears white on the image, just like many abnormalities. This creates a masking effect where small cancers or subtle signs blend into the surrounding dense tissue, lowering the contrast and making them harder to spot. As density increases, the sensitivity of screening mammography decreases, so cancers can be missed more easily. In practice, this is why additional imaging such as ultrasound or MRI, or newer approaches like 3D mammography, is often considered to improve detection in very dense breasts.

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