Effect of Breast Thickness on Tumor Contrast
| Breast thickness (cm) | Tumor diameter | ||||||
|---|---|---|---|---|---|---|---|
| 9.4 mm | 7.0 mm | 4.6 mm | 2.6 mm | ||||
| 6.0 | 1.59/1.53 | 1.41/1.30 | 1.20/1.20 | 1.14/1.16 | |||
| 4.5 | 1.76/1.68 | 1.44/1.36 | 1.23/1.21 | 1.16/1.20 | |||
| 3.0 | 2.04/1.95 | 1.61/1.54 | 1.33/1.29 | 1.15/1.23 | |||
Tumor depth = 2 cm; T/B ratio = 6:1. Results are shown for CZT/Helix systems for each breast thickness and average tumor diameter.