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Table 2 Histopathological diagnosis of 669 patients with sacral benign tumors and tumor-like lesions

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

Primary benign tumor

No.(percentage) in BT/TLL

No.(percentage) in all patients

Giant cell tumor

205 (30.6%)

205 (14.8%)

Neurofibroma

155 (23.2%)

155 (11.2%)

Schwannoma

119 (17.8%)

119 (8.6%)

Tuberculosis

24 (3.6%)

24 (1.7%)

Teratoma

23 (3.4%)

23 (1.7%)

Sacral canal cysts

22 (3.3%)

22 (1.6%)

Epidermoid cyst

21 (3.1%)

21 (1.5%)

Hemangioma

14 (2.1%)

14 (1.0%)

Meningeal cysts

13 (1.9%)

13 (0.9%)

Primary aneurysmal bone cyst

12 (1.8%)

12 (0.9%)

Fibrous dysplasia

9 (1.3%)

9 (0.6%)

Osteoblastoma

9 (1.3%)

9 (0.6%)

Eosinophilic granuloma

7 (1.0%)

7 (0.5%)

Simple bone cyst

5 (0.7%)

5 (0.4%)

Spinal meningioma

5 (0.7%)

5 (0.4%)

Gut-tail cyst

4 (0.6%)

4 (0.3%)

Benign fibrous histiocytoma

4 (0.6%)

4 (0.3%)

Fibromatosis

3 (0.4%)

3 (0.2%)

Diffuse giant cell tumor of tendon sheath

3 (0.4%)

3 (0.2%)

Chondroblastoma

3 (0.4%)

3 (0.2%)

Lipoma

2 (0.3%)

2 (0.1%)

Phosphouria stromal tumor

2 (0.3%)

2 (0.1%)

Osteoidosteoma

2 (0.3%)

2 (0.1%)

Leiomyoma

1 (0.1%)

1 (0.07%)

Paget disease

1 (0.1%)

1 (0.07%)

Osteochondroma

1 (0.1%)

1 (0.07%)

  1. BT/TLL benign tumor and tumor-like lesions