摘要
目的分析不同程度颈椎过屈性损伤的影像表现，评价ＭＲＩ表现的意义。方法３１例颈椎过屈性损伤，平均年龄３２岁，外伤史明确。全部病例在伤后不同时间行ＭＲＩ扫描，ＭＲＩ扫描前常规摄颈椎平片，部分行ＣＴ扫描。结果３１例中１７例伤及Ｃ４～６椎体，占５５％，同时累及２个椎体４例，占１３％。影像表现为棘突骨折、椎体前脱位、椎体宽界面压缩骨折、双侧关节突关节脱位、屈曲泪滴样骨折５种类型。ＭＲＩ同时显示２４例后部复合韧带撕裂，３例后纵韧带和５例前纵韧带撕裂，１６例椎间盘受压或碎裂变形，２３例颈髓受压、形态信号异常，其中３例横断。结论ＭＲＩ能反映不同程度不同方向的屈曲外力引起的颈椎和脊髓不同程度的病理变化，ＭＲＩ对脊髓、间盘、韧带等软组织损伤的评价，是判断不同程度颈椎过屈性损伤椎体稳定性及预后的依据。
Purpose To analyse the imaging findings of cervical vertebral hyperflexion injuries of diffierent degree and evaluate MRI in diagnosis and prognosis of these injuries. Methods 31 cases were studied.All patients underwent cervical radiography before undergoing MR imaging. Some had CT study as well. Results The C4-6 vertebral of 17 cases (55%) were involved in 31 cases with cervical injuries, two vertebral were injuried at the same time in 4 cases (13%). On the basis of MRI and X ray features, the cervical injuries were classified into 5 types: simple spine fracture, anterior subluxation, simple wedge compression fracture, bilateral interfacetal dislocation, flexion and teardrop fracture. MRI demonstrated disruption of the posterior ligament complex in 24 cases, disk compression and fragmentation in 16 cases and spinal cord compression in 23 cases with transection in 3. Conclusion The force of various degrees in different directions can result in different types of injuries to the cervical spine and cord. MRI can assess the stability of cervical vertebrae and hyperflexion injuries, demonstrating the mechanism and pathologic basis of the injury.
出处
《中华放射学杂志》
CAS
CSCD
北大核心
1998年第7期446-448,共3页
Chinese Journal of Radiology
关键词
颈椎飞鞭损伤
磁共振成像
颈椎损伤
Whiplash injuries Hyperflexion injury Magnetic resonance imaging
