Table 5. Time of calcitonin peak value after calcium stimulation in patients with thyroid nodules subdivided by tumor classification and lymph node involvement.
| CCH | MTC | ||||||
|---|---|---|---|---|---|---|---|
|
Minutes after stimulation |
pT1a | pT1b | pT2 | pT3 | N0 | N1 | |
| N (proportion) | N (proportion) | N (proportion) | N (proportion) | N (proportion) | N (proportion) | N (proportion) | |
| 2 | 14 (0.61) | 16 (0.70) | 2 (0.25) | 1 (0.25) | 0 | 18 (0.64) | 1 (0.9) |
| 3 | 7 (0.30) | 4 (0.17) | 4 (0.50) | 1 (0.25) | 1 (0.25) | 7 (0.25) | 3 (0.27) |
| 5 | 2 (0.9) | 3 (0.13) | 2 (0.25) | 2 (0.50) | 3 (0.75) | 3 (0.11) | 7 (0.64) |
| CCH - C-cell hyperplasia. MTC - medullary thyroid cancer. Local tumor stage according to UICC 2010 - pT1a ≤ 10 mm; pT1b = 11 - 20 mm; pT2 = 21 - 40 mm; pT3 > 40 mm or any size with with extrathyroidal extension; pT4 = moderately advanced or very advanced disease. N0 - no lymph node metastasis present. N1 - lymph node metastasis. | |||||||