Table 3. Imaging Features and ADC values of Histologically Confirmed Metastatic Axillary LNs.
| Patient | Length on US (mm) | Width on US (mm) | Cortical thickness on US (mm) | Cortical thickness on MRI (mm) | Morphology a | Location b | Observer 1 ADC mean x 10–3 (mm2/s) | Observer 2 ADC mean x 10–3 (mm2/s) |
|---|---|---|---|---|---|---|---|---|
| 1 | 13.0 | 7.0 | 2.4 | 2.4 | 2 | LN1 | 0.464 | 0.502 |
| 2 | 13.0 | 5.0 | 3.0 | 3.8 | 1 | LN1 | 0.447 | 0.666 |
| 3 | 28.0 | 21.0 | 18.0 | 21.0 | 3 | LN1 | 0.392 | 0.401 |
| 4 | 18.0 | 10.0 | 3.1 | 4.0 | 2 | LN1 | 0.597 | 1.011 |
| 5 | 31.0 | 11.0 | 2.6 | 3.0 | 3 | LN1 | 0.861 | 0.842 |
| 6 | 35.0 | 7.0 | 4.5 | 7.0 | 3 | LN2 | 0.966 | 0.800 |
| 7 | 6.0 | 5.0 | 6.0 | 3.0 | 3 | LN1 | 0.644 | 0.759 |
| 8 | 24.0 | 18.0 | 9.0 | 11.0 | 3 | LN1 | 0.553 | 0.435 |
| 9 | 16.0 | 7.0 | 4.6 | 4.3 | 2 | LN1 | 0.520 | 0.671 |
| 10 | 29.0 | 12.0 | 9.0 | 10.0 | 3 | LN1 | 0.789 | 0.436 |
| 11 | 20.0 | 15.0 | 8.8 | 10.0 | 3 | LN1 | 1.323 | 1.065 |
| 12 | 26.0 | 10.0 | 4.0 | 3.0 | 2 | LN1 | 0.655 | 0.664 |
| 13 | 18.0 | 9.0 | 6.6 | 8.0 | 3 | LN1 | 0.647 | 0.591 |
| 14 | 28.0 | 20.0 | 9.3 | 11.0 | 3 | LN1 | 0.706 | 0.718 |
| 15 | 22.0 | 14.0 | 11.0 | 14.0 | 3 | LN1 | 1.144 | 1.021 |
| 16 | 16.0 | 9.0 | 2.3 | 9.0 | 3 | LN1 | 0.583 | 0.492 |
| 17 | 26.0 | 18.0 | 9.3 | 11.0 | 3 | LN1 | 0.488 | 0.488 |
| 18 | 28.0 | 8.0 | 4.0 | 4.0 | 2 | LN1 | 0.399 | 0.451 |
| 19 | 12.0 | 8.0 | 2.6 | 2.4 | 1 | LN1 | 0.428 | 0.650 |
| 20 | 18.0 | 6.0 | 3.0 | 3.0 | 1 | LN1 | 0.659 | 0.499 |
| 21 | 15.0 | 8.0 | 3.5 | 3.5 | 2 | LN2 | 0.749 | 0.408 |
| 22 | 9.0 | 4.0 | 2.5 | 2.0 | 1 | LN1 | 1.104 | 1.025 |
| Mean | 19 | 10 | 5.9 | 6.8 | 0.676 | 0.663 |
a Morphology of the analyzed LN;
1 = smooth cortex, 2 = lobulated cortex, 3 = dislocated hilum
b Location in the ipsilateral axilla;
LN1 = lowest visual LN, LN2 = other ipsilateral position