Table 2.
The B-mode ultrasound and shear wave elastography findings of atypical parathyroid tumors and parathyroid carcinomas in our cohort
| DR* | Irregular shape | Infiltration | Heterogeneous Echogenicity |
Calcification | Cystic change | Min SWVa/ Young’s modulusb |
Mean SWV/ Young’s modulus |
Max SWV/ Young’s modulus |
|
|---|---|---|---|---|---|---|---|---|---|
| Atypical parathyroid tumors (n = 8) | 2.02 | 8/8(100%) | 5/8(62.5%) | 8/8(100%) | 3/8(37.5%) | 4/8(50%) | 1.45/6.2 | 2.35/18.7 | 3.0/27.2 |
| Parathyroid carcinomas(n = 8) | 2.19 | 7/8(87.5%) | 8/8(100%) | 7/8(87.5%) | 0/8(0%) | 2/8(25%) | 1.45/6.1 | 2.5/20.7 | 3.45//35.4 |
| p-value | 0.753 | 1.0 | 0.2 | 1.0 | 0.2 | 0.608 | 0.574/0.645 | 0.195/0.234 | 0.505/0.505 |
DR*: the ratio between the maximum size and the minimum size of parathyroid lesions in longitudinal and transverse dimensions; SWVa: the median value of the shear wave velocity(m/s); Young’s modulusb: the median value of the Young’s modulus (kPa)