Slinky artifact on digital breast tomosynthesis
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Ripple-blurring artifacts in digital breast tomosynthesis are due to the inability to suppress (out-of-section) noise when the number of acquired projections is less than the intended reconstruction sections. This artifact can be seen when reconstructing a 3D volume containing a high-density object, such as a skin marker. Slinky artifact is a special type of ripple-blurring artifact and is seen in the reconstructed sections that are far from the dense object, as in this case.
- 1. Nikki Tirada, Guang Li, David Dreizin, Luke Robinson, Gauri Khorjekar, Sergio Dromi, Thomas Ernst. Digital Breast Tomosynthesis: Physics, Artifacts, and Quality Control Considerations. (2019) RadioGraphics. doi:10.1148/rg.2019180046