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Tumor Histology
| Histology Type | n | % |
|---|---|---|
| Malignant tumors | ||
| Squamous cell carcinoma | 5 | 13 |
| Sarcoma | 4 | 10 |
| Esthesioneuroblastoma | 4 | 10 |
| Chordoma | 1 | 2.5 |
| Hemangiopericytoma | 1 | 2.5 |
| Adenocarcinoma | 1 | 2.5 |
| Sinonasal undifferentiated carcinoma | 1 | 2.5 |
| Benign tumors | ||
| Osteoma | 8 | 20.5 |
| Inverted papilloma | 4 | 10 |
| Meningoencephalocele | 3 | 8 |
| Fibrous dysplasia | 2 | 5 |
| Meningioma | 2 | 5 |
| Juvenile angiofibroma | 2 | 5 |
| Mucocele | 1 | 2.5 |
