Research Article

Similarity of Fibroglandular Breast Tissue Content Measured from Magnetic Resonance and Mammographic Images and by a Mathematical Algorithm

Figure 1

Interquartile box plots of breast density (a), total breast tissue volume (b), fibroglandular breast tissue volume (c), and adipose breast tissue (d) in 137 premenopausal women as measured by a histogram segmentation method (HSM), a full field digital mammography unit (FFDM) unit, a mathematical algorithm (MATH), a 3D gradient-echo (3DGRE) pulse sequence MRI, and a short tau inversion recovery pulse sequence (STIR) MRI. For the spread and distribution, consult histograms in Figure 2.
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(a) Breast density (%-gland in breast)
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(b) Total breast tissue
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(c) Fibroglandular breast
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(d) Adipose breast