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目的:为鼻内镜下视神经管减压术的临床运用提供解剖学依据。方法:成人尸头湿性标本15例(30侧)视神经管,经鼻内镜下观察视神经管的局部解剖情况。结果:鼻内镜下测得前鼻棘到视神经管眶口内侧壁中点距离为(61.02±5.83)mm,前鼻棘到视神经管眶口内侧壁中点的角度为(45.1±4.81)°,视神经管的内侧壁最长,平均为(11.61±1.58)mm;视神经管外侧壁骨质最厚,内侧壁骨质最薄,内侧壁中又以眶口最厚。并且将观察所见应用于10例外伤性失明患者,效果满意。结论:鼻内镜下了解视神经管的局部解剖情况,对临床开展鼻内镜下视神经管减压术具有非常重要的意义。鼻内镜下视神经管减压术具有手术范围小,组织损伤轻,视野清晰,进路直接,术后处理简单,面部不留瘢痕等优点,值得临床推广应用。
Objective: To provide anatomical basis for the clinical application of optic canal decompression under nasal endoscopy. Methods: Fifteen cases (30 sides) of adult cadaveric eyes were treated with optic canal. Local anatomy of the optic canal was observed under nasal endoscopy. Results: The distance between the anterior nasal spine and the medial wall of the orbital orbital wall measured by endoscopy was (61.02 ± 5.83) mm and the angle between the anterior nasal spine and the midpoint of the medial orbital wall was (45.1 ± 4.81) ° , The longest inner wall of the optic canal, with an average of (11.61 ± 1.58) mm; the outer side of the optic canal was the thickest in the lateral wall, the thinnest in the medial wall, and the thickest in the medial wall. And the observation of the application of 10 cases of traumatic blindness patients with satisfactory results. Conclusion: The endoscopic anatomy of the optic canal to understand the local anatomy of the endoscopic sinus surgery to carry out decompression has a very important significance. Nasal endoscopic decompression of optic canal has the advantages of small operation scope, light tissue injury, clear vision, direct approach, simple postoperative treatment and no scar on the face, which is worthy of clinical application.