晚期髋关节结核髋臼骨破坏三维形态观察Three-dimensional characteristics of acetabular bone loss in advanced hip tuberculosis
郑润龙;黄迅悟;彭伟;李超;徐宏伟;吴霄;
摘要(Abstract)：
[目的]研究晚期髋关节结核髋臼骨破坏三维特点。[方法]2010年11月~2016年12月确诊的晚期髋关节结核病患者73例,男性39例,女性34例,平均年龄(47.95±16.61)(19~85)岁。所有患者采用320排CT行骨盆容积扫描,将DICOM格式数据应用Mimics软件行骨盆三维重建。应用镜像技术还原变病髋臼破坏前三维结构,将正常髋臼设定为标准半球,应用球面拟合技术确定髋臼中心,根据标记点将病变髋臼分为上区、前区、下区和后区。计算出正常髋臼容积、髋臼骨破坏总容积及各分区骨破坏容积。将髋臼骨破坏容积值及各区破坏容积值换算成占正常髋臼容积百分比。根据骨破坏容积占髋臼容积百分比将髋臼骨破坏程度划分为3度,轻度:<50%;中度:50%~100%;重度:>100%。根据单一区骨破坏占总破坏容积百分比将髋臼骨破坏分为2型,弥漫型:<50%;节段型:≥50%。[结果]73例患者髋臼破坏容积占髋臼容积比例平均为(0.62±0.48)(0.06~1.68);髋臼破坏程度:轻度破坏36例(50%),中度破坏25例(36%),重度破坏12例(14%);髋臼骨破坏分型:弥漫型骨破坏56例(77%),节段型骨破坏17例(23%);上区骨破坏容积大于前区、后区骨破坏容积(P<0.05),前区、后区骨破坏容积大于下区骨破坏容积(P<0.05),前区骨破坏容积与后区比较差异无统计学意义(P>0.05)。[结论]采用320排CT行骨盆容积扫描,数据用Mimics软件三维重建,髋臼骨破坏进行分区容积计算,确定晚期髋关节结核髋臼骨破坏形态、方位、程度及类型,可全面反映晚期髋关节结核髋臼骨破坏的三维特点,有助于治疗计划的制定。
关键词(KeyWords)： 髋关节结核;髋臼;骨缺失;三维重建
基金项目(Foundation):
作者(Author): 郑润龙;黄迅悟;彭伟;李超;徐宏伟;吴霄;
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