Clinical and biochemical characteristics of patients wiht intestinal carcinoid tumours
| Sorbin positive tumours | Sorbin negative tumours | |
| Number of patients | 5 | 9 |
| Sex | ||
| Men | 2 | 6 |
| Women | 3 | 3 |
| Age (years) | 69.8 (2.4) | 63.8 (2.6) |
| Symptoms | ||
| Carcinoid syndrome | 2 | 5 |
| Occlusion | 0 | 1 |
| Abdominal tumour | 1 | 0 |
| Colonic disease | 2 | 1 |
| Unknown | 0 | 2 |
| Biological results | ||
| Serotonin (μmol/l)2-150 | 10.3 (1.9) | 6.5 (1.3) |
| 5HIAA (μmol/day)2-151 | 278 (143) | 549 (114) |
| Extension | ||
| Lymph node metastasis | 5 | 8 |
| Liver metastasis | 4 | 6 |