involucrum

involucrum

1. involucrum alarum

后胸背叶(革翅目)

2. involucrum (involucra)

总苞

3. Involucrum Castaneae Mollissimae

板栗壳

4. 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.

结果鼻窦骨化纤维瘤的CT表现为鼻窦内单发类圆形或不规则性高密度肿块,部分区域可见低密度影,其周边出现完整骨性包壳,呈膨胀性生长,周边组织受压变形但分界清楚。