Table 4. Risk assessment of GIST, 2006 by miettinen and lasota (ref 140).
| Mitotic rate (50 HPF) | Tumor size (cm) | Stomach | Duodenum | Jejunum or ileum | Rectum |
|---|---|---|---|---|---|
| 5 |
2 |
None |
None |
None |
None |
| >25 |
Very low |
Low |
Low |
Low |
|
| >510 |
Low |
Moderate |
Insufficient data |
Insufficient data |
|
| >10 |
Moderate |
High |
High |
High |
|
| >5 |
2 |
None* |
High* |
Insufficient data |
High |
| >25 |
Moderate |
High |
High |
High |
|
| >510 |
High |
High |
Insufficient data |
Insufficient data |
|
| >10 | High | High | High | High |
Adopted from Miettinen and Lasota (140). Abbreviation: HPF, high-power field; *Very small number of cases