Mammographic density and physical assessment of the breast

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Abstract
We studied the relationship between the radiographic density of the breast as measured by parenchymal pattern vs age, breast size, thickness after compression, and compressibility. Two hundred consecutive women were evaluated. None of the three parameters or the patient's age correlated with the degree of radiographic density. Although more older women had lucent parenchyma, 37% of women more than 50 years of age had dense patterns. Thus, these factors cannot be used to predict radiographic density. Phototiming is required to maintain image quality, and only a test exposure can accurately predict breast density.