Abstract
Planar digital mammography is the gold standard for breast cancer screening; also available in conjunction with mammography is Digital Breast Tomosynthesis, as a pseudo-tomographic imaging modality of the compressed breast in clinical diagnosis. However, fully 3D X-ray computed tomography of the uncompressed pendant breast is now available both experimentally and commercially, using cone-beam dedicated scanners. They provide excellent-contrast views of the 3D anatomy of the breast, based on X-ray attenuation in breast tissues. Significant advancements are expected from different phase contrast techniques, now being explored experimentally for both 2D and 3D X-ray imaging of the breast, for their potential to provide improved visibility of soft masses. Both laboratory setups using X-ray tubes, and synchrotron radiation based CT setups will be described.
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