CR在双下肢全长投照技术中的应用  

A Study of Application of the Computed Radiography on the Radiography of the Whole Lower Limb

作　　者：白亚妮[1] 贺洪德[1] 邓振生[1] 

机构地区：[1]第四军医大学西京医院放射科,陕西西安710032

出　　处：《实用放射学杂志》2006年第9期1141-1142,共2页Journal of Practical Radiology

摘　　要：目的 探讨计算机X线摄影（computed radiology，CR）技术在双下肢全长投照中的应用。方法用普通500mA X线机对双膝关节畸形（如膝关节内外翻）的病人进行投照，视病人身高情况采用2～3个成像板（IP）连接起来同时投照。经过后处理技术，得到双下肢全长（髋关节至踝关节）的完整图像。结果 所获得的双下肢全长的图像，不仅是从髋关节到踝关节都能清晰地显示．而且图像完整，并可经过后处理的其它一些功能进行长度测量、角度测量、真实放大等的应用。结论 合理应用CR的投照技术和图像后处理技术，就能达到双下肢全长拼接的优质图像。Objective To investigate the application of computed radiography （ CR ） in X - ray projection of whole lower limbs. Methods The radiography in the patient with bilateral knee - malformation was performed using 500 mA X - ray apparatus and several imaging plates （IP） jointed together,then the images including whole both sides of lower limbs were obtained by post - proccesing technique. Results The images not only could show the whole lower limbs on a single film,but be intact. The images also could be used for measuring the length of leg,the angle between the axises of the thigh and the magnifying really. Conclusion The image of whole bilateral lower limbs with a good quality and unity can be acquired using CR and post - processing technique appropriately.

关 键 词：计算机X线摄影术(CR) 图像后处理技术 图像拼接 

分 类 号：R323.722[医药卫生—人体解剖和组织胚胎学] R814.4[医药卫生—基础医学]