Table 2.
Two-dimensional ultrasonographic characteristics of papillary thyroid carcinomas
| Variable | Nodule (n = 70) |
|---|---|
| Size, cm | 0.90 ± 0.36 |
| Location | |
| Upper third | 11 (15.7) |
| Middle third | 34 (48.6) |
| Lower third | 15 (2M) |
| Isthmus | 10 (14.3) |
| Degree of cystic change | |
| Solid | 57 (81.4) |
| Predominantly solid | 11 (15.7) |
| Predominantly cystic | 2 (2.9) |
| Echogenicity | |
| Markedly hypoechoic | 32 (45.7) |
| Hypoechoic | 30 (42.9) |
| Isoechoic | 8 (11.4) |
| Shape | |
| Ovoid to round | 19 (27.1) |
| Irregular | 42 (60.0) |
| Taller than wide | 9 (12.9) |
| Margin | |
| Well defined | 9 (12.9) |
| Ill defined | 61 (87.1) |
| Calcification | |
| Absent | 22 (31.4) |
| Macrocalcification | 9 (12.9) |
| Microcalcification | 39 (55.7) |
| Vascularity | |
| Absent | 54 (77.1) |
| Present | 16 (22.9) |
Values are presented as mean ± SD or number (%).