Table 1.
Sequence results of chondrosarcoma (n = 43)
| Gene | Mutation | n (%) of Mutation-positive cases |
| IDH1 | R132C | 12 (60) |
| IDH1 | R132G | 5 (25.0) |
| IDH1 | R132L | 1 (5.0) |
| IDH1 | R132H | 1 (5.0) |
| IDH1 | R132Q | 1 (5.0) |
| Total | 20 (100) |
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