Conclusion The ethmoid bone of CRS patients shows marked fibrosis, bone remodeling, structure of woven bone, and pathologic changes similar to those of chronic osteomyelitis, especially bone absorption, new bone formation, etc. 结论CRS筛骨的组织学观察发现筛骨有显著的纤维化,重新塑型和编织骨结构的特征。CRS筛骨发生了类似于慢性骨髓炎的病理学改变,其中突出的是骨吸收,新骨形成和纤维化。