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Table 4 Age distribution of sacral benign tumors and tumor-like lesions

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
Primary benign tumor 11(1.6%) 58(8.7%) 131(19.6%) 141(21.1%) 141(21.1%) 108(16.1%) 60(9.0%) 16(2.4%) 3(0.4%) 669
Giant cell tumor 0(0) 24(11.7%) 61(29.8%) 62(30.2%) 40(19.5%) 12(5.9%) 6(2.9%) 0(0) 0(0) 205
Neurofibroma 1(0.6%) 6(3.9%) 18(11.6%) 24(15.5%) 39(25.2%) 41(26.5%) 20(12.9%) 5(3.2%) 1(0.6%) 155
Schwannoma 0(0) 2(1.7%) 16(13.4%) 24(20.2%) 33(27.7%) 24(20.2%) 16(13.4%) 4(3.4%) 0(0) 119
Tuberculosis 1(4.2%) 2(8.3%) 4(16.7%) 5(20.8%) 4(16.7%) 4(16.7%) 1(4.2%) 3(12.5%) 0(0) 24
Teratoma 1(4.3%) 3(13.0%) 8(34.8%) 6(26.1%) 3(13.0%) 1(4.3%) 1(4.3%) 0(0) 0(0) 23
Sacral canal cysts 0(0) 1(4.5%) 3(13.6%) 4(18.2%) 3(13.6%) 4(18.2%) 6(27.3%) 0(0) 1(4.5%) 22
Epidermoid cyst 0(0) 2(9.5%) 3(14.3%) 2(9.5%) 5(23.8%) 4(19.0%) 2(9.5%) 3(14.3%) 0(0) 21
Hemangioma 1(7.1%) 2(14.3%) 1(7.1%) 2(14.3%) 1(7.1%) 4(28.6%) 1(7.1%) 1(7.1%) 1(7.1%) 14
Meningeal cysts 0(0) 1(7.7%) 1(7.7%) 1(7.7%) 1(7.7%) 6(46.2%) 3(23.1%) 0(0) 0(0) 13
Primary aneurysmal bone cyst 2(16.7%) 8(66.7%) 1(8.3%) 0(0) 1(8.3%) 0(0) 0(0) 0(0) 0(0) 12
Fibrous dysplasia 0(0) 1(11.1%) 2(22.2%) 3(33.3%) 2(22.2%) 1(11.1%) 0(0) 0(0) 0(0) 9
Osteoblastoma 3(33.3%) 3(33.3%) 1(11.1%) 0(0) 1(11.1%) 1(11.1%) 0(0) 0(0) 0(0) 9
Eosinophilic granuloma 1(14.3%) 1(14.3%) 1(14.3%) 2(28.6%) 0(0) 2(28.6%) 0(0) 0(0) 0(0) 7
Simple bone cyst 0(0) 0(0) 1(20.0%) 1(20.0%) 1(20.0%) 2(40.0%) 0(0) 0(0) 0(0) 5
Spinal meningioma 0(0) 0(0) 1(20.0%) 2(40.0%) 2(40.0%) 0(0) 0(0) 0(0) 0(0) 5
Gut-tail cyst 0(0) 0(0) 3(75.0%) 0(0) 1(25.0%) 0(0) 0(0) 0(0) 0(0) 4
Benign fibrous histiocytoma 0(0) 0(0) 1(25.0%) 1(25.0%) 1(25.0%) 0(0) 1(25.0%) 0(0) 0(0) 4
Fibromatosis 0(0) 0(0) 0(0) 0(0) 2(66.7%) 1(33.3%) 0(0) 0(0) 0(0) 3
Diffuse giant cell tumor of tendon sheath 0(0) 1(33.3%) 1(33.3%) 1(33.3%) 0(0) 0(0) 0(0) 0(0) 0(0) 3
Chondroblastoma 1(33.3%) 0(0) 2(66.7%) 0(0) 0(0) 0(0) 0(0) 0(0) 0(0) 3
Lipoma 0(0) 0(0) 0(0) 0(0) 0(0) 1(50.0%) 1(50.0%) 0(0) 0(0) 2
Phosphouria stromal tumor 0(0) 0(0) 1(50.0%) 0(0) 0(0) 0(0) 1(50.0%) 0(0) 0(0) 2
Osteoidosteoma 0(0) 1(50.0%) 1(50.0%) 0(0) 0(0) 0(0) 0(0) 0(0) 0(0) 2
Leiomyoma 0(0) 0(0) 0(0) 0(0) 1(100.0%) 0(0) 0(0) 0(0) 0(0) 1
Paget disease 0(0) 0(0) 0(0) 0(0) 0(0) 0(0) 1(100.0%) 0(0) 0(0) 1
Osteochondroma 0(0) 0(0) 0(0) 1(100.0%) 0(0) 0(0) 0(0) 0(0) 0(0) 1