Table 1 Characteristics of cases with an SN in neck region by FN
Thyroid SN | Any other neck SN (8 HL, 1 NHL, 3 STS) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
ICCC group | First neoplasm type | Cases n | RT+ n | Median age at diagnosis of FN (range) | Median age at diagnosis of SN (range) | Median time interval FN to SN in years (range) | Cases n | RT+ n | Median age at diagnosis of FN (range) | Median age at diagnosis of SN (range) | Median time interval FN to SN in years (range) |
I | Leukaemias | 8 | 8 | 4.5 (1–14) | 15.5 (8–30) | 11.5 (7.4-16.6) | 7 | 5 | 4 (2–13) | 8(4–17) | 4 (1.6-6.1) |
II | Lymphomas | 5 | 4 | 10 (7–13) | 19 (14–25) | 7.3 (4.0-17.6) | 3 | 3 | 12 (8–14) | 20 (18–24) | 12.5 (4.2-12.9) |
III | CNS tumours | 2 | 2 | 3.5 (2–5) | 13 (11–15) | 9.1 (8.9-9.3) | 0 | - | - | - | - |
IV | Neuroblastomas | 0 | - | - | - | - | 1 | 0 | 0 (−) | 4 (−) | 3.6 (−) |
VI | Renal tumours | 1 | 1 | 3 (−) | 12 (−) | 8.5 (−) | 1 | 1 | 0 (−) | 15 (−) | 14.5 (−) |
IX | Soft tissue sarcomas | 1 | 1 | 1 (−) | 13 (−) | 11.5 (−) | 0 | - | - | - | - |
Total | All FN | 17 | 16 | 5 (1–14) | 15 (8–30) | 9.3 (4.0-17.6) | 12 | 9 | 4.5 (0–14) | 12 (4–24) | 4.3 (1.6-14.5) |