Shear wave elastography for differentiating parathyroid neoplasms with malignant diagnosis or uncertain malignant potential from parathyroid adenomas: initial experience

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 SWV^a/ Young’s modulus^b	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; SWV^a: the median value of the shear wave velocity(m/s); Young’s modulus^b: the median value of the Young’s modulus (kPa)

ISSN: 1470-7330