Table 3.
Differentiation of benign and malignant lymph nodes in pediatric patients on ferumoxytol-enhanced 18F- FDG-PET/MRI scans
|
Sizes |
ADCmean [10-6 mm2/s] | SUV-ratio | R2* [Hz] | |||
|---|---|---|---|---|---|---|
| benign | malignant | benign | malignant | benign | malignant | |
| < 5 mm | 1521.0 ± 416.6 | 851.7 ± 121.0 | 0.5 ± 0.2 | 1.2 ± 0.5 | 123.5 ± 45.9 | 92.3 ± 23.7 |
| ≥ 5 - < 10 mm | 1614.1 ± 418.9 | 818.2 ± 188.1 | 0.57 ± 0.3 | 2.3 ± 1.2 | 130.9 ± 47.9 | 91.7 ± 27.9 |
| ≥ 10 mm | 1539.3 ± 432.7 | 884.2 ± 227.4 | 0.7 ± 0.3 | 3.4 ± 1.4 | 128.3 ± 32.5 | 76.7 ± 17.9 |
| All | 1578.7 ± 419.8 | 851.7 ± 206.2 | 0.5 ± 0.3 | 2.8 ± 1.5 | 127.8 ± 46.3 | 84.4 ± 23.4 |
Mean +/- standard deviation; ADCmean: Mean apparent diffusion coefficient; SUV: standardized uptake value; SUV-ratio: SUVmax lesion/SUVmean liver; R2*: R2*-relaxation rate