Table 2.
Results of phantom elasticity test comparing the effect on model correction of the assumption of a 1:1 tumor:bulk stiffness ratio against the known 9:1 stiffness ratio from material testing
1:1 Stiffness ratio |
9:1 Stiffness ratio |
|||
---|---|---|---|---|
MHD error (mm) | Centroid error (mm) | MHD error (mm) | Centroid error (mm) | |
B-mode (n = 178) | 1.9 ± 0.6 | 2.0 ± 0.9 | 1.8 ± 0.8 | 2.2 ± 1.0 |
Strain (n = 83) | 2.0 ± 0.5 | 3.0 ± 0.9 | 1.9 ± 0.5 | 3.1 ± 0.9 |