水平骶椎的临床X线分析  

X-ray findings of horizontal sacral vertebrae

作　　者：张洪业[1] 邹红梅[1] 孟庆梅[1] 丁甫成 

机构地区：[1]山东省青岛市第三人民医院放射科,山东青岛266041

出　　处：《实用医学影像杂志》2007年第5期309-310,共2页Journal of Practical Medical Imaging

摘　　要：目的分析水平骶椎的影像表现。方法12例临床怀疑水平骶椎患者(男2例,女10例;年龄23～25岁)均摄腰骶椎正侧位片,并在患者直立侧位片上,利用CR后处理功能测量第一骶椎上面与水平线所交的角。其中,3例又经CT检查。结果本组12例中,腰骶角在45～55°之间5例,腰骶角在56～65°之间6例,腰骶角在66°以上1例。腰骶正位片示骶骨投影变短,结构重叠,腰骶侧位片示腰骶部极度侧弯。CT片上有椎间盘突出2例,椎间盘膨出3例,以及椎骨狭窄2例。结论侧位片上腰骶部极度侧弯和腰骶角大于45°是水平骶椎的特征性X线表现。CT扫描可发现一些继发病变。Objective To analyze the imaging findings of horizontal sacral vertebrae. Methods Twelve patients（2 men, 10 women; aged 23 - 58 years） with clinically suspected horizontal sacral vertebrae underwent postero - anterior and lateral radiography. The angle of first sacral upper surface versus level llne was measured by CR postprocessing function on erect - lateral films. Of whom, three patients underwent additional CT scanning. Results Among 12 cases, lumbesacral angles ranged between 45° and 55° were found in 5, those between 56° and 65° in 6, and that over 66° in 1. Anterio - posterior films of lumbosacral vertebrae showed sacral shadow shortening and structure overlap, while lateral films of lumbesacral vertebrae showed high lateral bending of affected locations. On CT images, protrusion of intervertebral disk was found in 2 cases, expansion out of intervertebral disk in 3 cases, and secondary lesions in 2 cases. Conclusion The high lateral bending of lumbesacral parts and lumbesacral angle more than 45° are characteristic findings of horizontal sacral vertebrae. CT scans can find some secondary lesions invisible on X - ray films.

关 键 词：水平骶椎 X线 腰骶角测量 

分 类 号：R816.8[医药卫生—放射医学]