Table 3.
Relationships between 18F-FDG PET/CT and immunohistochemical results (n = 38)
| Biologic marker (staining intensities) | PET (+) | PET (-) | p-value |
|---|---|---|---|
| Thyroglobulin | |||
| 2, 3 (n = 31) | 14 (45 %) | 17 (55 %) | |
| 0, 1 (n = 7) | 7 (100 %) | 0 (0 %) | 0.01 |
| Glut-1 (Memb) | |||
| 2 with luminal accentuation (n = 8) | 6 (75 %) | 2 (25 %) | |
| 1 with luminal accentuation (n = 14) | 9 (64 %) | 5 (36 %) | |
| No luminal accentuation (n = 16) | 6 (38 %) | 10 (62 %) | 0.06 |
| Glut-1 (Memb) | |||
| Positive (1, 2) (n = 28) | 17 (61 %) | 11 (39 %) | |
| Negative (0) (n = 10) | 4 (40 %) | 6 (60 %) | 0.3 |
| Glut-1 (Cyt) | |||
| 1 (n = 36) | 20 (56 %) | 16 (44 %) | |
| 2 (n = 2) | 1 (50 %) | 1 (50 %) | 1.0 |
| NIS | |||
| H-score >50 (n = 17) | 11 (65 %) | 6 (35 %) | |
| H-score ≤50 (n = 21) | 10 (48 %) | 11 (52 %) | 0.3 |
| SSTR1 | |||
| H-score >100 (n = 20) | 12 (60 %) | 8 (40 %) | |
| H-score ≤100 (n = 18) | 9 (50 %) | 9 (50 %) | 0.8 |
| SSTR2A | |||
| H-score >50 (n = 26) | 16 (62 %) | 10 (38 %) | |
| H-score ≤50 (n = 12) | 5 (42 %) | 7 (58 %) | 0.4 |
Memb cytoplasmic membrane, Cyt cytoplasm, Glut-1 glucose transporter 1, NIS sodium-iodide symporter, SSTR somatostatin receptor