| 摘要 |
A medical imaging marker includes a marking body having a shape. The marking body can comprise a mixture of materials having different imaging properties. The particular properties of the different constituent materials of the mixture can be independently controlled. The relative amounts of the materials in the mixture can be varied. The mixture can be a conventional mixture, a suspension, a composite, a glass, or other mixture. The marker can be usable in a plurality of imaging techniques.
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