The Clinical Features of Cystic Parathyroid Adenoma in Chinese Population: A Single-Center Experience
Table 1
Comparison of the clinicopathological features between patients with solid parathyroid adenomas and patients with cystic parathyroid adenomas.
Feature
Solid parathyroid adenomas ()
Cystic parathyroid adenomas ()
value
Male-to-female ratio
1 : 2.9
1 : 1.3
0.022
Age at diagnosis (years)
52.8 ± 13.9
54. 6 ± 14.2
0.417
Serum iPTH level (pg/mL)
408.7 ± 503.9
620.0 ± 501.3
0.001
Serum calcium level at diagnosis (mmol/L)
2.89 ± 0.35
3.13 ± 0.48
0.002
Serum inorganic phosphorus (mmol/L)
0.84 ± 0.19
0.73 ± 0.22
0.001
Alkaline phosphatase (U/L)
207.9 ± 385.5
209.6 ± 325.0
0.224
Serum creatinine (μmol/L)
68.8 ± 28.7
93.2 ± 114.1
0.137
Hypercalcemic crisis (%)
4.4
13.5
0.027
Urolithiasis (%)
34.7
51.4
0.052
Acute pancreatitis (%)
2.2
5.4
0.210
Bone fracture (%)
15.4
13.5
1.000
Multiglandular disease (%)
4.5
8.1
0.242
MEN (%)
4.5
2.7
1.000
Accuracy of US scanning (%)
96.8
70.3
0.001
Accuracy of MIBI scintigraphy (%)
95.7
80.6
0.001
Mediastinal ectopic parathyroid adenoma (%)
1.3
2.7
0.395
Maximum tumor diameter (mm)
21.6 ± 9.6
40.5 ± 13.9
0.001
Atypical adenoma (%)
5.4
24.3
0.001
Asterisks () indicate statistically significant differences between the two groups ( and ). iPTH: intact parathyroid hormone; MEN: multiple endocrine neoplasia.
