Case Report
Identifying an Ectopic Parathyroid Adenoma Using 4DCT in a Pediatric Patient with Persistent Primary Hyperparathyroidism
Table 1
Intraoperative PTH values via venous sampling during second surgical exploration.
| Sample number | Location | PTH value |
| 1 | Left high internal jugular vein | 200.8 | 2 | Left mid internal jugular vein | 207.0 | 3 | Left low internal jugular vein | 219.9 | 4 | Left innominate vein | 280.3 | 5 | Right high internal jugular vein | 241.1 | 7 | Right low internal jugular vein | 231.9 | 8 | Right innominate vein | 234.0 | 9 | Superior vena cava | 316.7 | 10 | Right atrium | 203.5 | 11 | High IVC | 140.8 | 12 | Mid IVC | 166.8 | 13 | Low IVC | 176.3 |
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