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Table 1 Frequency, age, and gender distribution of primary spine osseous tumors

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

Type of tumor Number (%) Male Female Male vs female Age range (years) Mean ± SD (age)
No. %a No. %a No. %a Male Female Total
Benign tumors 780 64.5 409 33.8 371 30.7 52.4 vs 47.6% 9–79 33.7 ± 19.2 35.9 ± 20.6 34.7 ± 19.8
Hemangioma 340 28.1 174 14.4 166 13.7 51.2 vs 48.8% 12–79 47.1 ± 14.3 51.5 ± 12.9 49.2 ± 13.7
Giant cell tumor 190 15.7 91 7.5 99 8.2 47.9 vs 52.1% 15–66 34.5 ± 11.0 32.9 ± 12.1 33.6 ± 11.5
Eosinophililc granuloma 47 3.9 36 3.0 11 0.9 76.6 vs 23.4% 10–56 23.7 ± 14.3 29 ± 17.6 23.7 ± 14.7
Osteoblastoma 53 4.4 28 2.3 25 2.1 52.8 vs 47.2% 9–54 32.6 ± 10.5 26.5 ± 15.0 28.7 ± 13.2
Fibroma 16 1.3 10 0.8 6 0.5 62.5 vs 37.5% 26–76 41.6 ± 18.2 50.5 ± 15.0 44.9 ± 17.1
Osteoid osteoma 17 1.4 8 0.7 9 0.7 47.1 vs 52.9% 16–67 31.2 ± 22.3 39.0 ± 16.8 34.6 ± 19.8
Osteochondroma 46 3.8 28 2.3 18 1.5 60.9 vs 39.1% 13–64 34.0 ± 16.6 38.7 ± 20.8 36.1 ± 18.4
Solitary bone cyst 25 2.1 8 0.7 17 1.4 32.0 vs 68.0% 15–64 29.5 ± 15.2 48.8 ± 11.9 41.1 ± 16.2
Lipoma 7 0.6 5 0.4 2 0.2 71.4 vs 28.6% 23–63 41.8 ± 16.5 31.0 ± 11.3 38.7 ± 15.2
Aneurysmal bone cyst 35 2.9 19 1.6 16 1.3 54.3 vs 45.7% 10–62 25 ± 12.5 36.4 ± 15.3 30.4 ± 14.8
Fibrous dysplasia 4 0.3 2 0.2 2 0.2 50.0 vs 50.0% 25–32 29.5 ± 3.5 27 ± 2.8 28.3 ± 3.0
Malignant tumors 429 35.5 286 23.7 143 11.8 66.7 vs 33.3% 8–81 48.3 ± 16.7 46.3 ± 16.3 47.4 ± 16.5
PNET/ Ewing’s sarcoma 17 1.4 9 0.7 8 0.7 52.9 vs 47.1% 11–46 26 ± 13.3 25.8 ± 7.9 25.9 ± 10.9
Chordoma 119 9.8 79 6.5 40 3.3 66.4 vs 33.6% 27–81 56.6 ± 15.0 53.3 ± 13.3 55.5 ± 14.1
Malignant fibrous histiocytoma 16 1.3 11 0.9 5 0.4 68.8 vs 31.2% 29–67 51 ± 14.5 50.7 ± 1.9 50.9 ± 11.3
Liposarcoma 1 0.0 1 0.0 0 0.0 NA 44 44 NA 44
Osteosarcoma 13 1.1 5 0.4 8 0.7 38.5 vs 61.5% 14–60 40.2 ± 21.0 25.8 ± 11.7 33.6 ± 18.2
Angiosarcoma 10 0.8 7 0.6 3 0.2 70.0 vs 30.0% 36–73 54.3 ± 11.3 45.0 ± 7.8 51.5 ± 10.9
Malignant neurilemmoma 30 2.5 15 1.2 15 1.2 50.0 vs 50.0% 8–71 40.4 ± 16.3 50.3 ± 12.1 45.3 ± 15.0
Plasma cell myeloma 103 8.5 75 6.2 28 2.3 72.8 vs 27.2% 10–76 49.8 ± 15.3 57.2 ± 12.6 52.0 ± 14.8
Malignant lymphoma 54 4.5 30 2.5 24 2.0 55.6 vs 44.4% 10–77 47.2 ± 21.0 46.5 ± 18.7 46.9 ± 19.6
Leiomyosarcoma 1 0.0 1 0.0 0 0.0 NA 55 55 NA 55
Chondrosarcoma 63 5.2 52 4.3 11 0.9 82.5 vs 17.5% 20–68 46.1 ± 14.5 37.3 ± 14.8 44.0 ± 14.7
Fibrosarcoma 2 0.2 1 0.0 1 0.0 50.0 vs 50.0% 30–61 61 30 45.5 ± 21.9
Total 1209 100 695 57.5 514 42.5 57.5 vs 42.5% 8–81 39.1 ± 16.9 39.6 ± 16.7 39.3 ± 16.8
  1. NA not applicable
  2. a% in all tumors