Table 1 Median survival in GISTs of stomach and small intestine by tumours grouped by mitotic rate and tumour size as proposed by Miettinen et al21 (n = 40)
From: Gastrointestinal Stromal Tumours treated before and after the advent of c-kit immunostaining
| Â | Tumour parameters | Median survival (months) | |||
|---|---|---|---|---|---|
Group | Size | Mitotic rate | Gastric | Small bowel | Other |
1 | ≤2 cm | ≤5 per 50 HPFs |  |  |  |
34 | 2 | 60 | Â | Â | Â |
2 | >2≤5 cm | ≤5 per 50 HPFs |  |  |  |
3a | >5≤10 cm | ≤5 per 50 HPFs |  |  |  |
44 | - | 53 | Â | Â | Â |
3b | >10 cm | ≤5 per 50 HPFs |  |  |  |
4 | ≤2 cm | >5 per 50 HPFs |  |  |  |
- | - | - | Â | Â | Â |
5 | >2≤5 cm | >5 per 50 HPFs |  |  |  |
6a | >5≤10 cm | >5 per 50 HPFs |  |  |  |
44 | 60 | 36 | Â | Â | Â |
6b | >10 cm | >5 per 50 HPFs | Â | Â | Â |