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Table 1 Comparison of demographic, clinical and ultrasound parameters between parathyroid carcinoma/atypical parathyroid tumor and parathyroid adenoma

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

 

parathyroid carcinoma/atypical parathyroid tumor

(n = 16)

parathyroid adenoma (n = 20)

p-value

Mean age (years)

46.9 ± 12.7

52.9 ± 13.1

0.178

Gender (male/female)

6/10

8/12

0.878

Median PTH (pg/ml)

1384.4(441–1881)

241.3(108–529)

<  0.001

Median Ca (mMol/L)

3.39(2.96–3.61)

2.91(2.89–3.57)

0.005

Median P (mMol/L)

0.61(0.50–0.78)

0.82(0.50–0.94)

0.017

Median ALP (IU/L)

225.5(157–281)

107.5(90–136)

0.003

Symptoms

  

<  0.001

 0

1 (6.3%)

12 (60%)

 

 1

9 (56.2%)

8 (40%)

 

 2

6 (37.5%)

0 (0%)

 

Size (cm)

3.07 ± 1.32

2.85 ± 1.16

0.600

DR*

2.11 ± 0.60

2.71 ± 0.81

0.018

Location

  

0.053

 Right

9 (56.3%)

9 (45%)

 

 Left

7 (43.7%)

11 (55%)

 

Shape

  

<  0.001

 Oval/round

1 (6.3%)

16 (80.0%)

 

 Irregular

15 (93.7%)

4 (20.0%)

 

Echogenicity

  

0.009

 Homogeneous

1 (6.3%)

10 (50%)

 

 Heterogeneous

15 (93.7%)

10 (50%)

 

 Calcification

3 (18.8%)

0 (0%)

0.078

 Cystic change

9 (56.3%)

11 (55%)

0.650

 Infiltration

13 (81.3%)

6 (30.0%)

0.002

  1. DR*: the ratio between the maximum size and the minimum size of parathyroid lesions in longitudinal and transverse dimensions