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目的:探讨小儿先天性髋关节脱位的CT诊断价值。方法:选择2011年2月~2012年12月我院收治的先天性髋关节脱位小儿30例(55髋)作为观察组,同期选取因其他疾病进行盆腔CT扫描的患儿30例(55髋)作为对照组,2组都进行多排螺旋CT扫描。结果:观察组各脱位类型的髋臼前倾角度与股骨颈前倾角均与正常组对比差异明显(P<0.05).并且脱位程度越重,髋臼前倾角与股骨颈前倾角越大。结论:多排螺旋CT对小儿先天性髋关节脱位的髋臼前倾角度与股骨颈前倾角的精确测定,对于诊断有重要的指导作用。
Objective: To investigate the diagnostic value of CT in children with congenital dislocation of the hip. Methods: Thirty children (55 hips) with congenital dislocation of the hip in our hospital from February 2011 to December 2012 were selected as the observation group. 30 children (55 hips) undergoing pelvic CT scan due to other diseases were enrolled in this study. As a control group, two groups were performed multi-slice spiral CT scan. Results: The acetabular anteversion and femoral neck anteversion were significantly different among the dislocation types in the observation group compared with the normal group (P <0.05), and the more dislocations, the greater the anterior and posterior femoral neck angles. Conclusion: The accurate measurement of acetabular anteversion and femoral neck anteversion in children with congenital dislocation of the hip by multi-detector row spiral CT is an important guide for the diagnosis.