They are not as good, however, as mammograms at identifying microcalcifications —
tiny calcium deposits that can indicate cancer when clustered together.
With mammography, radiologists use x-rays to spot the dense tissue and
tiny calcium deposits in breast tumors.
Microcalcifications are
tiny calcium deposits in breast tissue that occur more frequently in women who have breastfed, particularly for extended periods.
Not exact matches
Up to half of early breast cancers contain little clusters of microcalcifications,
tiny deposits of
calcium that on a mammogram look like a constellation of faint stars.
The
tiny particles are 1,000 times smaller than the tip of a human hair, and are designed to latch on to atherosclerotic plaques — hard
deposits made from accumulated fat, cholesterol and
calcium that build up on the walls of arteries and are prone to rupture, producing dangerous clots.