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GIST phenotypes according to the presence and type of KIT mutations
|
Differentiation |
|||||
| Epithelioid (%) | Spindle cells (%) | Mixed type 1 (%) | Mixed type 2 (%) | P | |
| KIT mutation | |||||
| Positive | 10.5 | 73.3 | 15.8 | NS | |
| Negative | 9.1 | 54.5 | 9.1 | 27.3 | |
| Exon 9 | 66.7 | 33.3 | NS | ||
| Exon 11 | 12.5 | 75 | 12.5 | ||
| Insertions | 100 | 0.03 | |||
| Deletions | 80.0 | 20.0 | |||
| Substitutions | 100 | ||||
