| |
|
Risk of Progressive Disease (%) |
|
| Mitotic Index |
Size, cm |
Gastric |
Duodenum |
Jejunum and Ileum |
Rectum |
| <5/50-HPFs |
<2cm |
None |
None |
None |
None |
| <5/50-HPFs |
>2 to <5 cm |
Very Low(1.9) |
Low (8.3) |
Low (4.3) |
Low (8.5) |
| <5/50-HPFs |
>5 to <10 cm |
Low (3.6) |
Insufficient data |
Moderate (24) |
Insufficient data |
| <5/50-HPFs |
>10 cm |
Moderate (12) |
High (34) |
High (52) |
High (57) |
| <5/50-HPFs |
<2 cm |
None† |
Insufficient data |
High† |
High (54) |
| <5/50-HPFs |
>2 to <5 cm |
Moderate (16) |
High (50) |
High (73) |
High (52) |
| <5/50-HPFs |
>5 to 10 cm |
High (55) |
Insufficient data |
High (85) |
Insufficient data |
| <5/50-HPFs |
>10 cm |
High (86) |
High (86) |
High (90) |
High (71) |
*Adapted from Miettinen M, Lasota RJ. Gastrointestinal stromal tumours: pathology and prognosis at different sites. Semin Diagn Pathol. 2006;23:70–8326.
Abbreviations: GIST: Gastrointestinal Stromal Tumor ; HPF: high-power field. |
|
