骨旁骨肉_____骨旁骨肉瘤；放射摄影术；诊断，鉴别

骨旁骨肉瘤的X线表现(附31例报告)

http://www.100md.com 《中华现代影像学杂志》 2006年第2期

骨旁骨肉,,骨旁骨肉瘤；放射摄影术；诊断，鉴别,1材料与方法,2结果,3讨论,【参考文献】

     【摘要】目的探讨骨旁骨肉瘤的X线表现，提高诊断水平。方法搜集骨旁骨肉瘤31例，其中常规骨旁骨肉瘤(CPOS)18例，去分化骨旁骨肉瘤(DDPOS)13例，对其临床、X线表现进行回顾性分析，并进行统计学处理。结果 31例中，年龄范围为12～50岁，平均30岁；女性多见(20/31)，股骨下端好发(22/31)；肿瘤大小：CPOS为7cm2(1～15cm2)，DDPOS为9cm2(2～20cm2)，经t检验(α=0.05)，P=0.09。线状间隙出现率：CPOS为55.56%(10/18),DDPOS为38.46%(5/13)；肿瘤密度均匀者：CPOS为7例(38.89%，7/18),DDPOS为2例(15.48%，2/13)；髓腔侵犯：CPOS为8例(44.44%，8/18)；DDPOS为6例(46.15%，6/13)；上述三者，经χ2检验(α=0.05)，P值分别为0.68，0.50，0.76，CPOS与DDPOS之间无显著性差异。结论 X线能术前正确诊断骨旁骨肉瘤，并与骨膜骨肉瘤，高度恶性表面骨肉瘤鉴别；X线很难鉴别CPOS与DDPOS，CT、MRI及血管造影有助于CPOS与DDPOS的鉴别。

    【关键词】骨旁骨肉瘤；放射摄影术；诊断，鉴别

    X-ray findings in parosteal osteosarcomas(a report of 31 cases)

    LONG Haiqing,CHENG Xiaoqi,HE Wei.Department of Radiology,The First People’s Hospital,Xiangtan 411101,China

    【Abstract】 Objective To explore Xray findings in parosteal osteosarcomas to raise diagnostic accuracy of parosteal osteosarcomas.Methods 31 cases of parosteal osteosarcomas,out of which conventional parosteal osteosarcomas(CPOS) and dedifferentiated parosteal osteosarcomas(DDPOS) respectively were 18 cases and 13 cases,authors retrospectively reviewed their clinical features and Xray findings,and performed statistical analysis.Results 31 cases averagely aged 30(12～50)years were enrolled in which women were prevalent(20/31);distal femur was prevalent site of parosteal osteosarcoma(22/31).Tumor size:CPOS was 7cm2(1～15cm2) and DDPOS was 9cm2(2～20cm2) with P>0.05.Lucent zone:CPOS was 55.56%(10/18),DDPOS was 38.46%(5/13);tumor denseness(uniform denseness):CPOSS were 7cases(38.89% ......

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