螺旋CT三维重建诊断骨病的方法及技术  

The Method and Technique in Diagnosis of Bony Disease by Using Three Dimensional Reconstruction of Spiral CT

作　　者：武毅红[1] 王耀程[1] 梁国民[1] 宋立军[1] 孙巧黎[1] 

机构地区：[1]第四军医大学唐都医院放射科,陕西西安710038

出　　处：《实用放射学杂志》2003年第7期645-646,共2页Journal of Practical Radiology

摘　　要：目的　探讨螺旋CT三维重建的实用方法和技巧。方法　选择成功地进行了三维重建的 15 0例骨病变。扫描层厚 3～ 5mm ,重建间隔 2～ 3mm ,螺距 0 .5～ 1,数据输入工作站 ,用表面遮盖显示法进行处理。结果　全部病例的三维立体显示良好 ,病变整体形态、与周围结构的关系从不同位置和角度得以观察。结论　高质量的三维图像依赖于技术参数的合理选择和匹配、医技人员的操作技巧和熟练程度以及扫描机器的质量。Objective To explore the practical method and skill in three dimensional reconstruction of spiral CT. Methods The bony lesions in 150 cases were selected for three dimensional reconstruction. Collimation was 3～5 mm, reconstruction interval 2～3 mm and pitch 0.5～1. All date were transferred to work station and processed with shaded surface display method. Results The stereoscopic three dimensional images were clearly demonstrated in all cases. The entire morphology of lesions and the relation to surrounding structures could be observed from different views and angles. Conclusion A high quality three dimensional image depends on parameters properly selected and matched, the operator's techniue and skill as well as the quality of scanner.

关 键 词：螺旋CT 三维重建 影像学诊断 骨病 扫描参数 

分 类 号：R814.42[医药卫生—影像医学与核医学] R681[医药卫生—放射医学]