Table 3 Sonographic characteristics between DSVPTC nodules and cPTC nodules in focal group
DSVPTC’s (n = 3) | cPTC’s (n = 184) | P-value | |
|---|---|---|---|
Size | 1.1 ± 0.3 | 1.1 ± 0.7 | 0.493 |
Location | 1.000 | ||
Left lobe | 1 | 92 | |
Right lobe | 2 | 92 | |
Composition | 1.000 | ||
Cystic or almost completely cystic | 0 | 0 | |
Spongiform | 0 | 0 | |
Mixed cystic and solid | 0 | 2 | |
Solid or almost completely solid | 3 | 182 | |
Echogenicity | 0.167 | ||
Anechoic | 0 | 0 | |
Hyperechoic or isoechoic | 0 | 5 | |
Hypoechoic | 2 | 174 | |
Very hypoechoic | 1 | 5 | |
Shape | 0.858 | ||
Wider-than-tall | 2 | 82 | |
Taller-than-wide | 1 | 102 | |
Margin | 1.000 | ||
Smooth or Ill-defined | 0 | 29 | |
Lobulated or irregular | 3 | 149 | |
Extra-thyroidal extension | 0 | 6 | |
Echogenic foci | 0.630 | ||
None or large comet-tail artifacts | 0 | 48 | |
Macrocalcifications | 0 | 7 | |
Peripheral (rim) calcifications | 0 | 3 | |
Punctate echogenic foci | 3 | 126 | |
TI-RADS | 1.000 | ||
4 | 0 | 20 | |
5 | 3 | 164 | |
Border | 0.019 | ||
1 | 0 | 37 | |
2 | 0 | 47 | |
3 | 0 | 66 | |
4 | 3 | 34 | |
Abundant microcalcifications | 2 | 20 | 0.037 |
Vessel number | 0.380 | ||
Grade 0 | 0 | 27 | |
Grade 1 | 0 | 30 | |
Grade 2 | 3 | 78 | |
Grade 3 | 0 | 49 |