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目的:通过对眼眶爆裂骨折CT表现的探讨,达到对本病早期诊断的目的。方法:79例眼眶爆裂骨折的临床表现、CT征象及好发部位。结果:眼眶骨折的直接征象是眶壁骨质连续性中断、粉碎、移位及曲度失常。根据骨折的特点将眼眶骨折分为三类,即单眶壁骨折,多眶壁骨折,并发其他面部直接骨折的眼眶骨折。眼眶爆裂骨折最好发于眼眶内侧壁和底壁,占96.2%。副鼻窦内“泪滴”征是诊断眼眶下壁骨折的特异性间接征象。结论:CT诊断眼眶爆裂骨折有重要的临床价值。
Objective: To explore the CT manifestations of orbital blowout fractures to achieve the purpose of early diagnosis of this disease. Methods: The clinical manifestations, CT signs and the incidence sites of 79 cases of orbital blowout fracture. RESULTS: The direct signs of orbital fractures were discontinuity, comminution, dislocation and curvature of the orbital bone. According to the characteristics of fractures orbital fractures will be divided into three categories, namely, single orbital wall fracture, orbital fracture, or other face fractures of the orbital fracture. Orbital blowout fractures occur best in the medial orbital wall and the bottom wall, accounting for 96.2%. Paranasal sinus “teardrop” sign is the diagnosis of orbital fracture of the specific indirect signs. Conclusion: CT has important clinical value in the diagnosis of orbital blowout fracture.