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Table 3 Age distribution of sacral malignant tumors

From: Epidemiological characteristics of 1385 primary sacral tumors in one institution in China

Histology 0–10 11–20 21–30 31–40 41–50 51–60 61–70 71–80 81–90 Total
Malignant tumors 9(1.3%) 54(7.5%) 88(12.3%) 96(13.4%) 139(19.4%) 151(21.1%) 122(17.0%) 52(7.3%) 5(0.7%) 716
Chordoma 0(0) 1(0.3%) 17(5.4%) 29(9.2%) 58(18.4%) 85(26.9%) 82(25.9%) 39(12.3%) 5(1.6%) 316
Chondrosarcoma 0(0) 5(6.8%) 14(18.9%) 16(21.6%) 19(25.7%) 16(21.6%) 4(5.4%) 0(0) 0(0) 74
Myeloma 0(0) 0(0) 2(3.8%) 7(13.2%) 13(24.5%) 13(24.5%) 12(22.6%) 6(11.3%) 0(0) 53
Malignant peripheral nerve sheath tumor 1(2.1%) 5(10.6%) 10(21.3%) 5(10.6%) 11(23.4%) 9(19.1%) 5(10.6%) 1(2.1%) 0(0) 47
Ewing sarcoma 5(10.6%) 19(40.4%) 9(19.1%) 9(19.1%) 4(8.5%) 1(2.1%) 0(0) 0(0) 0(0) 47
Osteosarcoma 1(2.5%) 15(37.5%) 13(32.5%) 5(12.5%) 3(7.5%) 3(7.5%) 0(0) 0(0) 0(0) 40
Lymphoma 0(0) 2(5.7%) 4(11.4%) 5(14.3%) 9(25.7%) 9(25.7%) 4(11.4%) 2(5.7%) 0(0) 35
Solitary fibrous tumor 0(0) 0(0) 4(20%) 5(25%) 4(20%) 2(10%) 4(20%) 1(5%) 0(0) 20
Undifferentiated pleomorphic sarcoma 0(0) 0(0) 1(5.9%) 2(11.8%) 3(17.6%) 5(29.4%) 4(23.5%) 2(11.8%) 0(0) 17
Malignant giant cell tumor 0(0) 2(11.8%) 6(35.3%) 4(23.5%) 2(11.8%) 2(11.8%) 1(5.9%) 0(0) 0(0) 17
Malignant teratoma 0(0) 0(0) 2(18.2%) 4(36.4%) 1(9.1%) 2(18.2%) 2(18.2%) 0(0) 0(0) 11
Liposarcoma 0(0) 0(0) 0(0) 2(20.0%) 4(40.0%) 1(10.0%) 3(30.0%) 0(0) 0(0) 10
Ependymoma 0(0) 0(0) 1(25.0%) 0(0) 2(50.0%) 0(0) 0(0) 1(25.0%) 0(0) 4
Angiosarcoma 0(0) 0(0) 0(0) 0(0) 1(33.3%) 2(67.7%) 0(0) 0(0) 0(0) 3
Fibrosarcoma 0(0) 1(33.3%) 0(0) 0(0) 2(67.7%) 0(0) 0(0) 0(0) 0(0) 3
Hemangioendothelima 1(33.3%) 0(0) 0(0) 1(33.3%) 0(0) 0(0) 1(33.3%) 0(0) 0(0) 3
Myelocytic sarcoma 0(0) 0(0) 1(33.3%) 2(67.7%) 0(0) 0(0) 0(0) 0(0) 0(0) 3
Yolk sac tumor 1(33.3%) 2(67.7%) 0(0) 0(0) 0(0) 0(0) 0(0) 0(0) 0(0) 3
Leiomyosarcoma 0(0) 0(0) 1(50.0%) 0(0) 1(50.0%) 0(0) 0(0) 0(0) 0(0) 2
Alveolar soft part sarcoma 0(0) 0(0) 2(100.0%) 0(0) 0(0) 0(0) 0(0) 0(0) 0(0) 2
Leukemia 0(0) 1(50.0%) 0(0) 0(0) 1(50.0%) 0(0) 0(0) 0(0) 0(0) 2
Epithelioid sarcoma 0(0) 1(100.0%) 0(0) 0(0) 0(0) 0(0) 0(0) 0(0) 0(0) 1
Granulocyte sarcoma 0(0) 0(0) 0(0) 0(0) 1(100.0%) 0(0) 0(0) 0(0) 0(0) 1
Myofibroblastic sarcoma 0(0) 0(0) 0(0) 0(0) 0(0) 1(100.0%) 0(0) 0(0) 0(0) 1
Synovial sarcoma 0(0) 0(0) 1(100.0%) 0(0) 0(0) 0(0) 0(0) 0(0) 0(0) 1