The CIRS Model 086, ACR Digital Mammography (DM)
Phantom was designed under the sponsorship of the
American College of Radiology (ACR) to test the performance
of FFDM systems. Objects within the phantom
simulate calcifications, ducts and tumor masses. The
phantom is designed to determine if your DM system can
detect small structures that are important in the early detection
of breast cancer.
The critical component of the phantom is a 7 mm thick wax insert positioned within a matching cavity milled out in a polymethylmethacrylate (PMMA) block. The total attenuation under the wax insert is matched with the 4.1 cm thick surrounding PMMA by the use of a 0.23 mm "compensator" placed under the wax insert. The wax insert contains targets as per map. Fibers are monofilament nylon, simulated calcifications or "specks" are made of spherical glass and the masses simulate 10% adipose - 90% glandular breast tissue.
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