产品介绍：
The Mammographic Accreditation Phantom Model 156 is designed to test the performance of a mammographic system by evaluation of the system’s ability to image small structures similar to those found clinically. Objects within the phantom were designed to simulate micro-calcifications,
fibrous structures in ducts, and tumor-like masses,small structures that are important in the early detectionof breast cancer. Test objects within the phantomrange in size from those that should be visible on any systemto objects that will be difficult to see even on the bestmammographic systems.Storage and HandlingStore the Mammographic Accreditation Phantom Model156 in a cool dry area avoiding temperature extreme suchas intense heat and direct sunlight, or freezing temperatures.Impact stress may cause breakage.3Product DescriptionThe Mammographic Phantom is made up of a wax blockcontaining 16 various sets of test objects, a 3.3 cm (1.3
in.) thick acrylic base, a tray for placement of the waxblock, and a 0.3 cm (0.12 in.) thick cover. All of thistogether approximates a 4.2 cm compressed breast. Fivegroups of simulated micro-calcifications, six different sizenylon fibers simulate fibrous structures, and five different
size tumor-like masses are included in the wax insert.Figure 1 lists the sizes of the test objects and their positionin relation to the notched corner of the wax block.
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