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目的:观察额窦、筛窦气房向眶顶气化情况。方法:对60具成人尸体头部标本额窦、筛窦向眶顶气化进行解剖观察,并结合全部标本的鼻窦冠状位CT扫描了解气化情况。结果:120侧标本气化眶顶骨板的有36.7％(44侧),其中气化整个眶顶者36.4％(16侧),气化部分眶顶者63.6％(28侧),气化眶顶的前颅底骨质内侧缘及外侧缘骨壁厚度分别为(0.3±0.1)mm(0.1-0.4mm)和(0.2±0.1)mm(0.1-0.3mm),无气化的前颅底骨质骨壁厚度为(0.9±0.3)mm(0.4-1.8 mm);CT扫描显示额窦、筛窦向眶顶气化结果与解剖观察一致。结论:了解额窦、筛窦气房向眶顶气化情况对预防鼻微创手术颅内及眶内并发症有重要的临床意义。
Objective: To observe the frontal sinus, ethmoid sinus to the orbital roof vaporization. Methods: Sixty adult cadaver heads were dissected with gasification of the frontal sinus and ethmoid sinus to the orbital roof, and the coronal CT scan of all the specimens was used to understand the gasification situation. Results: There were 36.7% (44 sides) of the 120 cases with gasification of the orbital plate, including 36.4% (16 sides) of gasification of the entire orbital roof, 63.6% (28 sides) of the gasification part of the orbital roof, gasification of the orbital roof (0.3 ± 0.1) mm (0.1-0.4 mm) and (0.2 ± 0.1) mm (0.1-0.3 mm) in the medial and lateral margins of the anterior skull base bone, respectively The thickness of the mass bone wall was (0.9 ± 0.3) mm (0.4-1.8 mm). The CT scan showed that the frontal sinus and ethmoid sinus were consistent with the anatomy. Conclusion: Understanding of the frontal sinus, ethmoid sinus to the orbital roof gasification situation in the prevention of intracranial and orbital complications of minimally invasive surgery has important clinical significance.