In mammography, which tissue type appears dark due to fat content?

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Multiple Choice

In mammography, which tissue type appears dark due to fat content?

Adipose tissue is the tissue type that appears dark on a mammogram because fat attenuates X-rays less than denser tissues. Fat is relatively low density, so it is more radiolucent and shows up as darker areas on the image. In contrast, dense fibroglandular tissue attenuates more and appears lighter, while calcifications are very dense and show up as bright white spots. The key idea is that lower density fat yields darker appearance, reflecting its lower attenuation of X-rays.

Adipose tissue is the tissue type that appears dark on a mammogram because fat attenuates X-rays less than denser tissues. Fat is relatively low density, so it is more radiolucent and shows up as darker areas on the image. In contrast, dense fibroglandular tissue attenuates more and appears lighter, while calcifications are very dense and show up as bright white spots. The key idea is that lower density fat yields darker appearance, reflecting its lower attenuation of X-rays.

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