Table 1: Results tabulated from the seven patients show no preferential uptake of MIBI in glandular or fatty breast tissue. Average measured uptake values are noisy due to count limitations of in vivo SPECT measurements.

Subject Total breast Adipose tissue Glandular tissue Minimum Cross-point 95% interval Minimum Cross-point 95% interval Mean (μCi/mL) Mean (μCi/mL) Mean (μCi/mL) Mean (μCi/mL) Mean (μCi/mL) Mean (μCi/mL) Mean (μCi/mL) 1 0.176 ± 0.486 0.154 ± 0.624 0.155 ± 0.623 0.158 ± 0.624 0.20 ± 0.753 0.196 ± 0.747 0.196 ± 0.745 2 0.061 ± 0.388 0.055 ± 0.458 0.054 ± 0.451 0.053 ± 0.471 0.09 ± 0.579 0.082 ± 0.555 0.084 ± 0.552 3 0.168 ± 0.506 0.175 ± 0.601 0.176 ± 0.601 0.179 ± 0.611 0.120 ± 0.492 0.139 ± 0.547 0.129 ± 0.504 4 0.069 ± 0.299 0.066 ± 0.366 0.065 ± 0.360 0.063 ± 0.347 0.077 ± 0.380 0.078 ± 0.394 0.079 ± 0.394 5 0.117 ± 0.520 — — — — — — 6 0.038 ± 0.206 — — — — — — 7 0.064 ± 0.385 — — — — — — Total 0.10 ± 0.16 0.11 ± 0.26 0.11 ± 0.26 0.11 ± 0.26 0.12 ± 0.27 0.12 ± 0.27 0.12 ± 0.27