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Lesson learned?
•
DECT calculations for low energy sources within 4%
of ground truth
➢
7 tissue bins SECT at <9%; 3 tissue bin (like EBRT)
failed!
•
DECT very sensitive to noise and motion
➢
May make DECT difficult for patient imaging (CT dose
/ mAs settings)
➢
Simultaneous imaging
•
Still a very active field of research!