Table 2 Summary of immunohistochemical staining for KPNA2 in bone tumors
Bone tumors | No. of cases | No. (%) of positive cases | No. (%) of negative cases |
|---|---|---|---|
Malignant bone tumors | |||
Osteosarcomas | 81 | 67 (82.7) | 14 (17.3) |
Chondrosarcomas | 42 | 0 (0) | 42 (100) |
Ewing sarcoma | 15 | 1 (6.7) | 14 (93.3) |
Benign bone tumors | |||
Osteoid osteoma | 28 | 0 (0) | 28 (100) |
Osteochondroma | 20 | 0 (0) | 28 (100) |
Chondroblastoma | 37 | 0 (0) | 37 (100) |