Table 1.
EC | CS | OC | PCS | DDCS | CCS | MCS | |
---|---|---|---|---|---|---|---|
Total number of tumors | 3 | 46 | 10 | 28 | 42 | 23 | 23 |
Grade I | - | 16 | - | 12 | - | - | - |
Grade II | - | 18 | - | 13 | - | - | - |
Grade III | - | 12 | - | 3 | - | - | - |
Male | 1 | 22 | 6 | 17 | 21 | 17 | 8 |
Female | 2 | 23 | 4 | 10 | 21 | 6 | 15 |
Enchondromatosis/MO | 0 | 1 | 5 | 10 | - | - | - |
Median age yrs (range) | 38 (37-50) | 51 (20-79) | 14.5 (6-24) | 38 (16-61) | 66 (26-85) | 43 (20-79) | 29.5 (15-70) |
Abbreviations: enchondroma (EC), conventional central and peripheral chondrosarcoma (CS and PCS), osteochondroma (OC), dedifferentiated chondrosarcoma (DDCS), clear cell chondrosarcoma (CCS), and mesenchymal chondrosarcoma (MCS).