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Tomosynthesis imaging: At a translational crossroads
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View: Figures


Image of FIG. 1.
FIG. 1.

Images of pulmonary nodules in chest tomosynthesis images of a human subject. (a) Coned view of digital PA radiograph shows one clearly visible right lung nodule (arrow). (b) Tomosynthesis image shows the same nodule (vertical arrow) as seen on the PA radiograph in (a). A second nodule (horizontal arrow) is also visible that was not seen in the PA radiograph in (a). (c) Tomosynthesis image at a more posterior level shows an additional left lung nodule (arrow) not seen in the PA radiograph in (a). (d) CT image (lung window) confirms left lower lobe nodule seen in (c). (Reprinted with permission from Medical Physics, Ref. 16, Copyright © 2008, American Association of Physicists in Medicine (AAPM).)

Image of FIG. 2.
FIG. 2.

Geometries of motion for tomosynthesis image acquisition: (a) Parallel-path motion, (b) partial isocentric motion, and (c) full isocentric motion. Parallel-path motion in (a) illustrates how objects in two planes (circle and triangle) are projected onto different locations in the image plane due to parallax as the tube moves. (Reprinted by permission from Physics in Medicine and Biology, Ref. 20, Copyright © 2003, Institute of Physics (IOP) Publishing Ltd.)


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Scitation: Tomosynthesis imaging: At a translational crossroads