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Distribution of different vascular patterns among benign and malignant thyroid nodules.
| Flow type | Benign | Malignant | Total |
|---|---|---|---|
| Central | 1(0.66%) | 36 (83.72%) | 37 |
| Peripheral | 119 (78.83%) | 2 (4.65%) | 121 |
| Mixed | 28 (18.5%) | 5 (11.62%) | 33 |
| No flow | 3 (1.9%) | 0 | 3 |
| Total | 151 | 43 | 194 |
