Table 4 Correlation of ACR TI-RADS and Bethesda system of thyroid classification
BETHESDA system of thyroid classification | ||||||||
|---|---|---|---|---|---|---|---|---|
ACR-TIRADS categorization | 1 | 2 | 3 | 4 | 5 | 6 | Total n (%) | Proportion of malignancy (%) |
TIRADS 1 | 1 | 13 | 0 | 0 | 0 | 0 | 14 (8.7) | 0 |
TIRADS 2 | 1 | 55 | 0 | 0 | 0 | 0 | 56 (34.8) | 0 |
TIRADS 3 | 0 | 68 | 0 | 1 | 0 | 0 | 69 (42.9) | 1.4 |
TIRADS 4 | 0 | 4 | 0 | 2 | 8 | 1 | 15 (9.3) | 73.3 |
TIRADS 5 | 0 | 1 | 0 | 0 | 0 | 6 | 7 (4.3) | 85.7 |
Total n (%) | 2 (1.2) | 141(85.5) | 0(0) | 3(1.8) | 8(4.9) | 7(4.3) | 161 | |