Table 2.
Preoperative biochemical findings of patients with cardiac paraganglioma
| Urinea | Plasmab | ||||||
|---|---|---|---|---|---|---|---|
| Patient no. | NE (μg/24 hours) (16.69-40.65) | E (μg/24 hours) (1.74-6.42) | DA (μg/24 hours) (120.93-330.59) | NMN (μg/24 hours) (<1464) | MN (μg/24 hours) (<394) | NMN (nmol/L) (<0.9) | MN (nmol/L) (<0.5) |
| 1 | 973.92 | 1.84 | 1020.46 | NA | NA | NA | NA |
| 2 | 100.56 | 2.86 | 326.76 | NA | NA | NA | NA |
| 3 | 1243.96 | 16.03 | 926.89 | NA | NA | NA | NA |
| 4 | 2347.71 | 2.83 | 1023.94 | NA | NA | NA | NA |
| 5 | 226.29 | 10.25 | 451.76 | NA | NA | NA | NA |
| 6 | 297.92 | 4.26 | 450.68 | NA | NA | NA | NA |
| 7 | 127.68 | 0.78 | 364.96 | NA | NA | NA | NA |
| 8 | 294.58 | 9.9 | 332.54 | NA | NA | NA | NA |
| 9 | 939.6 | 5.55 | 742.89 | NA | NA | NA | NA |
| 10 | 721.29 | 5.09 | 879.43 | NA | NA | NA | NA |
| 11 | 231.94 | 1.98 | 492.17 | NA | NA | NA | NA |
| 12 | 259.2 | 2.88 | 362.88 | NA | NA | NA | NA |
| 13 | 35.55 | 3.56 | 327.06 | 310 | 57 | NA | NA |
| 14 | 90.68 | 3.49 | 60.68 | NA | NA | NA | NA |
| 15 | 117.09 | 5.85 | 189.69 | 3195 | 238 | NA | NA |
| 16 | 98.39 | 6.75 | 160.24 | 672 | 364 | NA | NA |
| 17 | 2180.38 | 6.77 | 2645.78 | NA | NA | NA | NA |
| 18 | 839.76 | 3.15 | 226.45 | NA | NA | NA | NA |
| 19 | 91.45 | 2.54 | 203.23 | 1171 | 184 | NA | NA |
| 20 | 243.18 | 9.35 | 374.12 | NA | NA | 2.62 | 0.26 |
| 21 | 566.09 | 4.04 | 323.48 | NA | NA | 4.29 | 0.12 |
| 22 | NA | NA | NA | NA | NA | NA | NA |
| 23 | 161.18 | 2.91 | 260.37 | NA | NA | 2.95 | 0.12 |
| 24b | 808.1 | 16 | 1499.9 | NA | NA | 5.29 | 0.15 |
Abbreviations: DA, dopamine; E, epinephrine; LC-MS/MS, liquid chromatography tandem mass spectrometry; MN, metanephrine; NA, not available; NE, norepinephrine; NMN, normetanephrine; ref, reference.
a
24-hour urinary catecholamines were measured by high-performance liquid chromatography-electrochemical detection (patients nos. 1 to 23) or LC-MS/MS (patient no. 24).
b
The reference ranges for 24-hour urinary catecholamines measured by LC-MS/MS are NE <76.9 μg, E < 11.0 μg, DA < 459.9 μg.