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目的探讨多排螺旋CT对齿状突骨折的诊断价值。方法对16例X线平片显示为齿状突骨折或X线平片正常而临床高度怀疑骨折者行多层螺旋CT检查,并分别行矢状位、冠状位多平面重组和VR三维重建。结果根据多平面重组及三维重建结果,排除诊断骨折者2例,明确诊断骨折者4例,修正齿状突骨折类型及移位情况者10例;14例骨折病例中,II型骨折(Anderson和D’Alonzo分类)10例,III型骨折4例;齿状突向后移位者8例,无移位者4例,向前移位者2例。结论多排螺旋CT多平面重建及三维重建对明确齿状突骨折以及临床治疗方案的确定具有重要的指导作用。
Objective To investigate the diagnostic value of multislice spiral CT in diagnosis of odontoid fracture. Methods 16 cases of X-ray showed odontoid fracture or plain X-ray and highly suspected fracture of the clinical multi-slice spiral CT, respectively sagittal, coronal multiplanar reconstruction and VR three-dimensional reconstruction. Results According to the results of multiplanar reconstruction and three-dimensional reconstruction, 2 cases of diagnosis of fracture, 4 cases of definite diagnosis of fracture, 10 cases of correction of type and displacement of odontoid fracture, 14 cases of fracture type II fracture (Anderson and D’Alonzo classification) in 10 cases, type III fracture in 4 cases; odontoid backward displacement in 8 cases, no displacement in 4 cases, forward displacement in 2 cases. Conclusion Multiplanar spiral CT multiplanar reconstruction and three-dimensional reconstruction of clear odontoid fracture and clinical treatment program has an important guiding role.