Table.1.
Origin and prevalence of primary and metastatic neuroendocrine tumors G3
| Total NEN N (%) |
NET G3 N |
% Total number of NEN |
% Total number of NET G3 |
|
|---|---|---|---|---|
| Total N [%] | 1513 (100) | 130 | 9 | 100 |
| Primary | 1024 (68) | 40 | 4 | 31 |
| Metastasis | 489 (32) | 90 | 18 | 69 |
| Pancreas | 418 (28) | 54 | 13 | 42 |
| Primary | 279 (67) | 16 | 6 | 30 |
| Metastasis | 135 (33) | 38 | 28 | 70 |
| Stomach | 174 (12) | 10 | 6 | 8 |
| Primary | 165 (95) | 7 | 4 | 70 |
| Metastasis | 9 (5) | 3 | 33 | 30 |
| Duodnum/PoV | 108 (7) | 2 | 2 | 2 |
| Primary | 97 (90) | 2 | 3 | 100 |
| Metastasis | 11 (10) | 0 | 0 | 0 |
| Ileum | 158 (10) | 7 | 4 | 5 |
| Primary | 102 (65) | 1 | 1 | 14 |
| Metastasis | 56 (35) | 6 | 11 | 86 |
| Appendix | 79 (5) | 0 | 0 | 0 |
| Primary | 77 (100) | 0 | 0 | 0 |
| Metastasis | 0 (0) | 0 | 0 | 0 |
| Colon | 82 (5) | 1 | 1 | 1 |
| Primary | 75 (91) | 1 | 1 | 100 |
| Metastasis | 7 (9) | 0 | 0 | 0 |
| Rectum | 71 (5) | 4 | 6 | 3 |
| Primary | 64 (90) | 3 | 5 | 75 |
| Metastasis | 7 (10) | 1 | 14 | 25 |
| Lung | 170 (11) | 26 | 15 | 20 |
| Primary | 87 (51) | 9 | 10 | 35 |
| Metastasis | 81 (49) | 17 | 21 | 65 |
| Other sites | 101 (6)a | 3c | 3 | 2 |
| Primary | 76 (75) | 1 | 1 | 33 |
| Metastasis | 25 (26) | 2 | 8 | 67 |
| Unknown | 152 (10)b | 23 | 15 | 18 |
Abbreviations: NET neuroendocrine tumor, PoV papilla of Vater. aIincluding 5 esophagus, 12 biliary system, 2 liver, 4 kidney, 17 urinary tract, 15 prostate, 10 uterus, 8 ovary, 1 vagina, 9 breast, 3 presacral, 13 head and neck; bAll cases examined in metastatic site, c1 prostate, 1 breast, 1 presacral