ethmoid

There were statistical differences between the adult group and the pediatric group in ethmoid bulla hypertrophy and middle nasal concha etherealization.

泡肥大和中甲气化出现率在成年和未成年差异有统计学意义。

Performation of surgical procedures anterior to ethmoid bulla can avoid risks of the other models, therefore, endoscopic frontal sinusotomy in the route anterior to ethmoid bulla is a safe model.

结论通过对额窦开口及周围解剖结构观察，认为星状裂作为恒定解剖标志是识别额窦开口关键区域。泡前径路是下额窦开放安全入路，能避免其他径路存在某些风险。