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目的总结关节滑膜骨软骨瘤的X线及CT表现特征,探讨两者的诊断效果。方法选择2007年10月至2012年1月收治的60例拟诊断为关节滑膜骨软骨瘤患者,所有患者都进行X线、CT与病理观察。结果 X线表现为关节间隙、关节周围滑囊有1枚或多枚游离体。CT表现为关节内不同程度积液,可见大小不一、数目不等、形态不规则的钙化体。X线诊断的敏感性和特异性为96.4%和100.0%,CT诊断的敏感性和特异性为100.0%和75.0%,两种方法诊断效果对比差异无统计学意义(P>0.05)。结论关节滑膜骨软骨瘤多数具有较特征性的影像学表现,X线与CT表现都比较敏感与特异,但CT可以能发现X线检查不能发现的征象,具有更好的诊断价值。
Objective To summarize the X-ray and CT findings of the synovial osteochondroma and to explore the diagnostic value of both. Methods Sixty patients who were diagnosed as synovial osteochondroma were selected from October 2007 to January 2012. All the patients were examined by X-ray, CT and pathology. Results X-ray showed joint space, synovial joint around one or more free body. CT showed different degrees of effusion within the joint, showing different sizes, ranging from the number of irregular calcifications. The sensitivity and specificity of X-ray diagnosis were 96.4% and 100.0%. The sensitivity and specificity of CT diagnosis were 100.0% and 75.0%. There was no significant difference between the two methods in diagnosis (P> 0.05). Conclusion Most of the synovial osteochondroma have characteristic imaging features. X-ray and CT are more sensitive and specific, but CT can find the signs that X-ray examination can not find, which has a better diagnostic value.