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Figure 13. Reformatted CT Image Orthogonal to the Aortic
Root at the Level of the Sinuses of Valsalva
e root diameter can be measured from sinus-to-sinus (S-S) or sinus-to-commissure (S-C).
e aortic root area (A) can also be measured. CT indicates computed tomography; and ROI,
region-of-interest.
