Table 6.
Risk of malignant tumors and their frequency according to B-mode features and combination of B-mode features and sonoelastography (Asteria 3, 4).
| TIRADS–B-mode | Combination B-mode+Sonoelastography | ||||||
|---|---|---|---|---|---|---|---|
| Number of nodules (n = 255) | Number of malignant nodules (n = 94) | Malignancy risk (%) | Number of nodules | Number of malignant nodules | Malignancy risk (%) | ||
| TIRADS 3 | 64 | 4 | 6.25 | 0 | 0 | ||
| Composition >50%Solid/Solid | 55 | 3 | 5.45 | 0 | 0 | x | |
| Tall/wide | 6 | 1 | 16.67 | 0 | 0 | x | |
| “Halo” pattern partial//no | 3 | 0 | 0 | 0 | 0 | x | |
| TIRADS 4 | 94 | 24 | 25.53 | 41 | 14 | 34.14 | |
| Markedly hypoechoic | 20 | 8 | 40 | 12 | 6 | 50 | |
| Microcalcifications | 53 | 12 | 22.64 | 21 | 5 | 23.81 | |
| Capsule:infiltration; deformation | 18 | 4 | 22.22 | 6 | 3 | 50 | |
| Macrocalcifications | 3 | 0 | 0 | 2 | 0 | 0 | |
| TIRADS 5 | 97 | 65 | 67.01 | 75 | 60 | 80 | |
Table does not include 50 tumors (including 5 malignancy) Asteria 4 scores, which were qualified into TIRADS 4 category as a single high risk feature.