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. Author manuscript; available in PMC: 2018 Aug 16.
Published in final edited form as: Phys Med Biol. 2018 Jul 19;63(14):145021. doi: 10.1088/1361-6560/aacb08

Table 1.

Stiffness Contrast Detail Phantom Inclusion Composition and Storage Modulus (SM) Values

%Silicone A341 Gel Inclusion Diameter(mm) Orientation 1 SM Orientation 2 SM Orientation 3 SM Combined Stiffness Contrast vs Background
Mean (Pa) SD (Pa) Mean (Pa) SD (Pa) Mean (Pa) SD (Pa) Mean (Pa) Mean SD (Pa)
50% Background 2488 305 2582 339 2453.2 387 2508 344
55% 8 2769 143 2264 164 3043 93 2692 133 14%
55% 10 2716 91 2482 129 2960 270 2720 163
55% 15 3213 208 3155 125 2857 241 3075 191
55% 20 3257 290 2944 348 2705 227 2969 288
55% 29 3174 223 3136 148 3219 323 3177 231
60% 8 3298 288 3606 186 2920 149 3275 208 33%
60% 10 3009 178 2947 223 2977 175 2978 192
60% 15 3398 232 2950 229 3194 194 3181 218
60% 20 3245 201 3621 313 3373 286 3413 267
60% 29 3376 299 3736 388 3012 254 3375 314
65% 8 3112 204 3631 171 2897 179 3214 184 40%
65% 10 3234 211 3421 279 3172 185 3275 225
65% 15 3616 516 3384 312 3575 461 3525 430
65% 20 3442 363 3613 306 3260 473 3438 381
65% 29 4148 379 3701 314 3747 417 3866 370
70% 8 3211 220 3264 366 3201 256 3225 281 50%
70% 10 3748 526 3914 349 3533 265 3732 380
70% 15 4104 496 3580 398 3559 307 3748 400
70% 20 3836 421 4464 464 3988 483 4096 456
70% 29 4580 666 4361 604 4180 519 4373 596