Thyroid nodule: score and summation of the predictor | Benign | Low malignancy probability | Moderate malignancy probability | High malignancy probability | |
Hypoechoic | 1 | 0 - 2 | 3 | 4 - 6 | 7 or more |
Predominantly solid | 2 | ||||
Irregular borders | 2 | ||||
Shape taller than wide | 2 | ||||
Microcalcifications | 2 | ||||
Diameter equal to or greater than 1.5 cm | 1 | ||||
Malignant results | 1.9% | 8.7% | 13.6% | 75.7% | |
Recommended action | Habitual follow up | Active vigilance | Recommended FNAB | Mandatory FNAB |