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Table 3 Age distribution of patients with primary spine osseous tumors (years)

From: Epidemiological characteristics of primary spinal osseous tumors in Eastern China

Type of tumor 0–10 11–20 21–30 31–40 41–50 51–60 61–70 71–80 81–90 Total no. (%)
No. (%) No. (%) No. (%) No. (%) No. (%) No. (%) No. (%) No. (%) No. (%)
Benign tumors 14(1.2%) 102(8.4%) 122(10.1%) 173(14.3%) 136(11.2%) 138(11.4%) 76(6.3%) 19(1.6%) 0(0.0%) 780(64.5%)
Hemangioma 1(0.0%) 14(1.2%) 18(1.5%) 62(5.1%) 78(6.5%) 96(7.9%) 53(4.4%) 18(1.5%) 0(0.0%) 340(28.1%)
Giant cell tumor 0(0.0%) 27(2.2%) 50(4.1%) 62(5.1%) 32(2.6%) 11(0.9%) 8(0.7%) 0(0.0%) 0(0.0%) 190(15.7%)
Eosinophililc granuloma 3(0.2%) 23(1.9%) 9(0.7%) 5(0.4%) 2(0.2%) 5(0.4%) 0(0.0%) 0(0.0%) 0(0.0%) 47(3.9%)
Osteoblastoma 6(0.5%) 11(0.9%) 14(1.2%) 11(0.9%) 5(0.4%) 6(0.5%) 0(0.0%) 0(0.0%) 0(0.0%) 53(4.4%)
Fibroma 0(0.0%) 0(0.0%) 4(0.3%) 4(0.3%) 2(0.2%) 2(0.2%) 3(0.2%) 1(0.0%) 0(0.0%) 16(1.3%)
Osteoid osteoma 0(0.0%) 5(0.4%) 3(0.2%) 2(0.2%) 2(0.2%) 3(0.2%) 2(0.2%) 0(0.0%) 0(0.0%) 17(1.4%)
Osteochondroma 2(0.2%) 12(1.0%) 8(0.7%) 9(0.7%) 5(0.4%) 5(0.4%) 5(0.4%) 0(0.0%) 0(0.0%) 46(3.8%)
Solitary bone cyst 0(0.0%) 2(0.2%) 3(0.2%) 5(0.4%) 6(0.5%) 6(0.5%) 3(0.2%) 0(0.0%) 0(0.0%) 25(2.1%)
Lipoma 0(0.0%) 0(0.0%) 2(0.2%) 3(0.2%) 1(0.0%) 1(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 7(0.6%)
Aneurysmal bone cyst 2(0.2%) 8(0.7%) 9(0.7%) 8(0.7%) 3(0.2%) 3(0.2%) 2(0.2%) 0(0.0%) 0(0.0%) 35(2.9%)
Fibrous dysplasia 0(0.0%) 0(0.0%) 2(0.2%) 2(0.2%) 0(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 4(0.3%)
Malignant tumors 5(0.4%) 17(1.4%) 36(3.0%) 81(6.7%) 95(7.9%) 79(6.5%) 82(6.8%) 32(2.6%) 2(0.2%) 429(35.5%)
PNET/Ewing’s sarcoma 0(0.0%) 5(0.4%) 7(0.6%) 3(0.2%) 2(0.2%) 0(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 17(1.4%)
Chordoma 0(0.0%) 0(0.0%) 3(0.2%) 17(1.4%) 27(2.2%) 23(1.9%) 32(2.6%) 15(1.2%) 2(0.2%) 119(9.8%)
Malignant fibrous histiocytoma 0(0.0%) 0(0.0%) 2(0.2%) 0(0.0%) 5(0.4%) 6(0.5%) 3(0.2%) 0(0.0%) 0(0.0%) 16(1.3%)
Liposarcoma 0(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 1(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 1(0.0%)
Osteosarcoma 0(0.0%) 6(0.5%) 2(0.2%) 0(0.0%) 3(0.2%) 2(0.2%) 0(0.0%) 0(0.0%) 0(0.0%) 13(1.1%)
Angiosarcoma 0(0.0%) 0(0.0%) 0(0.0%) 2(0.2%) 3(0.2%) 3(0.2%) 1(0.0%) 1(0.0%) 0(0.0%) 10(0.8%)
Malignant neurilemmoma 1(0.0%) 1(0.0%) 1(0.0%) 9(0.7%) 8(0.7%) 5(0.4%) 4(0.3%) 1(0.0%) 0(0.0%) 30(2.5%)
Plasma cell myeloma 2(0.2%) 0(0.0%) 3(0.2%) 17(1.4%) 26(2.2%) 22(1.8%) 24(2.0%) 9(0.7%) 0(0.0%) 103(8.5%)
Leiomyosarcoma 0(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 1(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 1(0.0%)
Malignant lymphoma 2(0.2%) 3(0.2%) 6(0.5%) 9(0.7%) 12(1.0%) 8(0.7%) 8(0.7%) 6(0.5%) 0(0.0%) 54(4.5%)
Chondrosarcoma 0(0.0%) 2(0.2%) 11(0.9%) 24(2.0%) 8(0.7%) 9(0.7%) 9(0.7%) 0(0.0%) 0(0.0%) 63(5.2%)
Fibrosarcoma 0(0.0%) 0(0.0%) 1(0.0%) 0(0.0%) 0(0.0%) 0(0.0%) 1(0.0%) 0(0.0%) 0(0.0%) 2(0.2%)
Total 19(1.6%) 119(9.8%) 158(13.1%) 254(21.0%) 231(19.1%) 217(17.9%) 158(13.1%) 51(4.2%) 2(0.2%) 1209(100%)