RESULTS The CTfeathures of ossifying fibroma inparanasal sinus were similar torotundity or unregular single high density lump in sinus, partarea of low density, integrity bone involucrum around it.

结果骨化纤维瘤的CT表内单发类圆形或不规则性高密度块,部分区域可见低密度影,其周边整骨性包壳,呈膨胀性生长,周边组织受压变形但分界清楚。