Table 3 Summary of clear cell sarcoma of the kidney (CCSK) cases.
| Case no. | Diagnosis | Treatment | Age (months) | Stage | KIT IHC | KIT CISH | KIT mutation |
|---|---|---|---|---|---|---|---|
| RMH0471 | CCSK | Preoperative chemotherapy | NA | NA | Strong, 10–33% | NA | Negative |
| RMH0751 | CCSK | Immediate nephrectomy | 19 | 2 | Strong, 10–33% | Not amplified | Negative |
| RMH0753 | CCSK | Immediate nephrectomy | 20 | 2 | Strong, >70% | Not amplified | Negative |
| RMH1226 | CCSK | Preoperative chemotherapy | 22 | 3 | Negative | Not amplified | NA |
| RMH1278 | CCSK | Preoperative chemotherapy | 28 | 3 | Negative | Not amplified | NA |
| RMH1286 | CCSK | Preoperative chemotherapy | 12 | 3 | Negative | Not amplified | NA |
| RMH1330 | CCSK | Preoperative chemotherapy | 28 | 3 | Negative | NA | NA |
| RMH1518 | CCSK | Preoperative chemotherapy | 7 | 3 | Negative | Not amplified | NA |
| RMH1826 | CCSK | Preoperative chemotherapy | 24 | 2 | Negative | Not amplified | NA |
| RMH1880 | CCSK | Immediate nephrectomy | NA | NA | Negative | Not amplified | NA |
| RMH1910 | CCSK | Immediate nephrectomy | 15 | NA | Weak, 10–33% | Not amplified | NA |
| RMH1931 | CCSK | Immediate nephrectomy | 14 | NA | Weak, 33–66% | Not amplified | NA |
NA, not applicable.
No gene amplification or activating mutations were observed.