Patient Characteristics
| Patient no. | Scan no. | Time from TT to PET (mo) | Calcitonin (pg/mL) | CEA (ng/mL) | PET findings (with maximum SUV of representative regions in parentheses) | Correlative imaging | Bx/Ex | PET classification |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 16 | 994 | 5.3 | — | None | None | FN |
| 2 | 26 | 8,330 | NA | R neck (3.2) | None | Ex+ | TP | |
| 2 | 1 | 9 | 316 | NA | — | CT neck/chest− SRS− | None | FN |
| 3 | 1 | 17 | 3,687 | NA | R neck (4.1), R hilum (4.2) | CT neck/chest+ | Ex+ | TP |
| 2 | 26 | 514 | NA | Bil hilum (3.3) | CT chest+ | None | TP | |
| 4 | 1 | 13 | 54,945 | 535.1 | Med (2.7) | CT chest+ SRS− | None | TP |
| 5 | 1 | 4 | 15,430 | 6.4 | Med (3.0), L neck (3.0) | SRS+ | None | TP |
| 2 | 14 | 21,300 | 6.8 | Med (4.0) | None | Ex+ | TP | |
| 6 | 1 | 67 | 5,000 | NA | — | None | None | FN |
| 2 | 72 | 10,790 | NA | Thyroid bed (4.6) | None | Ex+ | TP | |
| 3 | 76 | 36,670 | NA | — | None | None | FN | |
| 4 | 88 | 55,200 | 137.6 | — | SRS− | None | FN | |
| 5 | 102 | 176,000 | 802.2 | L neck (3.4) | CT neck+ | Ex+ | TP | |
| 6 | 108 | 541,000 | NA | Liver (3.5), ab node (5.5) | CT neck/chest/ab+ | None | TP | |
| 7 | 1 | 6 | 862 | 1 | — | CT neck− | None | FN |
| 2 | 16 | 1,420 | 1.4 | — | CT neck− | None | FN | |
| 8 | 1 | 60 | 1,330 | NA | R neck (4.8), L neck (3.9) | US+ SRS− | None | TP |
| 9 | 1 | 48 | 15,300 | NA | L neck (2.7) | CT neck+ | None | TP |
| 10 | 1 | 6 | 6,190 | 2.3 | — | US+ | Ex+ | FN |
| 11 | 1 | 6 | 106 | 4.3 | — | CT neck− | None | FN |
| 12 | 1 | 27 | 16,600 | 57.1 | R neck (2.0), med (3.0) | US+ | Ex+ | TP |
| 13 | 1 | 34 | 189,100 | 907 | Bone (3.3), liver (4.2) | CT neck/chest/ab+ | None | TP |
| 14 | 1 | 144 | 48,800 | NA | — | CT chest/ab+ | None | FN |
| 15 | 1 | 33 | 1,960 | 4.5 | Thyroid bed (3.9), R neck (3.4) | CT neck+ | Ex+ | TP |
| 16 | 1 | 46 | 47,850 | NA | L neck (3.7), med (5.5), lung (3.8), liver (8.3) | CT neck+ | Bx+ | TP |
| 17 | 1 | 3 | 49,600 | 133.7 | Thyroid bed (11.5), bil neck (15.1), med (15.9), bone (6.4) | None | None | TP |
| 18 | 1 | >240 | 130,300 | 306.2 | Thyroid bed (6.0), bone (6.3), liver (4.2) | CT neck/chest+ MRI spine+ | Ex+ | TP |
| 19 | 1 | >144 | 518 | NA | Thyroid bed (3.3), R neck (4.8), bil axilla (7.8), med (5.2), lung (4.8) | CT neck/chest+ | None | TP |
| 20 | 1 | 16 | 4,520 | 10.4 | Thyroid bed (4.6) | CT neck+ | Ex+ | TP |
| 21 | 1 | 72 | 931 | NA | — | None | None | FN |
| 22 | 1 | 4 | 509 | 3.3 | — | CT neck/chest/ab− | None | FN |
| 23 | 1 | 1 | 1,212 | NA | R neck (4.8) | MRI neck+ | Ex+ | TP |
| 2 | 10 | 381 | NA | — | None | None | FN | |
| 24 | 1 | 1 | 230 | NA | — | CT neck− | None | FN |
| 25 | 1 | 1 | 36,300 | 4.8 | Bil neck (15.0), med (7.8) | CT neck+ | Ex+ | TP |
| 26 | 1 | 10 | 25,000 | 5.4 | L neck (2.5), med (2.9) | CT neck/chest+ | Ex+ | TP |
| 27 | 1 | 12 | 119,000 | 7.6 | Bil neck (7.0), L hilum (5.3), bil lung (5.0), bone (5.4) | MRI spine+ | Bx+ | TP |
| 28 | 1 | >132 | 563 | 5.9 | Liver (5.9) | CT ab: HCC | Ex: HCC | FP |
ab = abdomen; bil = bilateral; bx = biopsy; CEA = carcinoembryonic antigen; ex = excision; FN = false-negative; FP = false-positive; HCC = hepatocellular carcinoma; med = mediastinum; NA = not available; SRS = somatostatin receptor scintigraphy; TP = true-positive; TT = total thyroidectomy; US = ultrasound neck.