【摘要】 目的　探讨体层 X线片和 CT在髁状突骨折诊断及分类中的价值 ,对髁状突骨折重新分类。方法　 5 8例髁状突骨折行下颌关节体层 X线和冠状 CT检查 ,按骨折线部位分为四类 ,按骨折片位置分为三型 ;2 3例行手术治疗 ,对术中发现与术前诊断及分类进行对比。结果　 、 、 、 类骨折分别占 15 %、71%、7%和 7% ;一、二、三型骨折片位置分别为 9%、2 4%和 6 7% ;手术中发现与术前诊断及分类一致。结论　影像学检查是髁状突骨折诊断与分类的重要依据 ,冠状 CT较体层 X线片有更大的诊断价值 ;本分类法较全面地反映了骨折的实际情况 ,有助于临床治疗方法的选择。更多还原

【Abstract】 WT5”BZ]Objective To evaluate the value of tomography and CT scanning in the diagnosis and classification of the mandibular condylar fractures and try to set a new classification about condylar fracture according to the imaging results.Methods Tomography and CT coronal scanning were done in 58 cases with the condylar fracture. The fractures were classified as 4 types by the fractured position and 3 subtypes by the displacement of the fractured pieces. 23 cases among this group patients were operated. Results Type Ⅰ,Ⅱ,Ⅲ and Ⅳ fracture were 15, 71, 7 and 7% respectively, subtype 1,2 and 3 were 9, 24 and 67% correspondingly. The findings from operation confirmed the imaging diagnosis. The results operative findings proved in accordance with the imaging diagnosis and classification. Conclusions The imaging exams are essential to the diagnosis and classification of condylar fractures, and CT scanning is more valuable than tomography. The author thinks this new classification according to imaging could comprehensively reflect the real situation for variety of condylar fractures and give a guide to choose a proper therapy. [WT5”HZ]更多还原