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Table 1 CT showed pathologic changes of the underlying bone

From: The choice of endoscopic surgical approach and four steps of operation of inverted papilloma of the maxillary sinus

Pathologic changes

N = 83

Hyperostosis

21 (25.3%)

Focal osteitis

39 (47.0%)

Osteoneogenesis

7(8.4%)

Osteolysis

4 (4.8%)