Characteristic | Value | Normal value |
---|---|---|
Sex (M/F) | 16/37 | |
Age (y) | 58 ± 16 | |
Body mass index (kg/m2) | 28.2 ± 5.5 | |
Prior parathyroidectomy | 7 (13) | |
Prior | ||
99mTc-MIBI SPECT/CT | ||
Negative | 38 (72) | |
Inconclusive | 15 (28) | |
Ultrasonography | 35 (66) | |
Other | 9 (17) | |
Baseline laboratory values | ||
PTH (ng/L) | 72.0 (54–101) | 4–49 |
Calcium (mmol/L) | 2.67 (2.62–2.69) | 2.12–2.62 |
Phosphorus (mmol/L) | 0.75 ± 0.17 | 0.81–1.45 |
25-hydroxycholecalciferol (ng/mL) | 24.74 ± 8.97 | 30–80 |
11C-MET results | ||
Positive | 25 (47) | |
Negative* | 28 (53) | |
18F-FCH results | ||
Positive | 39 (74) | |
Negative* | 14 (26) | |
Surgical results (n = 26) | ||
Pathologic parathyroid tissue found | 24 (92) | |
Biologic normalization during follow-up | 21 (81)† |
* Negative imaging includes negative or inconclusive results.
↵†2 patients were lost to follow-up.
Qualitative data are number and percentage; continuous data are mean ± SD; nonnormal continuous data are median and 25th–75th percentiles (D’Agostino–Pearson omnibus test).