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Lisfranc骨折脱位影像学表现
引用本文:练旭辉,陈忠,叶文钦,谭仲伦,文康彦,谢品超. Lisfranc骨折脱位影像学表现[J]. 中国CT和MRI杂志, 2012, 0(5): 98-100
作者姓名:练旭辉  陈忠  叶文钦  谭仲伦  文康彦  谢品超
作者单位:广东省江门市新会区人民医院放射科,广东江门529100
摘    要:目的探讨X线平片、螺旋CT多平面重建(MPR)、表面遮盖显示法(SSD)及最大密度投影法(MIP)在Lisfranc关节骨折脱位诊断中的价值。材料与方法回顾性分析20例Lisfranc骨折脱位患者的X线平片、螺旋CT的MPR、SSD及MIP图像;所有病例均拍摄X线平片,其中有9例行螺旋CT扫描并用MPR、SSD及MIP技术获得多平面重组和三维重建图像。结果 X线平片及螺旋CT检查综合诊断20例Lisfranc骨折脱位,其中A型5例(25%),B型11例(55%),C型4例(20%);20例均有跖骨骨折,其中多发骨折16例(80%),单发骨折4例(20%);粉碎性骨折11例(55%)、横行骨折6例(30%)、斜行骨折3例(15%);伴有楔骨骨折5例(25%)、舟骨骨折3例(15%)、骰骨骨折2例(10%)。20例Lisfranc骨折脱位均影像清晰,诊断明确。结论 X线平片、螺旋CT多平面重组及三维重建在诊断Lisfranc骨折脱位中有重要的价值。

关 键 词:跖跗关节  骨折  脱位  螺旋CT  三维重建  多平面重建

Imaging Findings of Lisfranc Fracture-dis- location
Affiliation:LIAN Xu-hui, CHEN Zhong, YE Wen-qin, et al. (Department of Radiology, Xinhui People's Hospital, Jiangmen Guangdong 529100, China)
Abstract:Objective To evaluate the clinical application value of X-ray film,multiplanar reconstruction(MPR),shaded surface display (SSD) and maximunl intensity projection£MIP£with spiral CT to lisfranc fracture-dislocations. Methods The authors analyzed retrospectively the images of Radiograph, MPR, SSD and MIP in 20 patients of lisfranc fractures-dislocations. These cases were examined by X-ray,and 9 cases were scaned by spiral CT, then the multiplanar and three-dimensional images were obtained by techniques of MPR, SSD and MIP on a workstation. Results On the images of radiograph. MPR, SSD and MIP, 20 cases lisfianc fi'acture-dislocations were found, inclding type A(5 cases,25%), type B(11 cases,55%), type C(4 cases, 20%). 20 cases had metatarsal fractures: multiple fiacture 16 cases(80%),single fracture 4 cases(20%): comminuted fracture II cases(55%), transverse fracture 6 cases(30%), oblique fracture 4 cases(20%); and with cuneifornt fracture 5 cases(20%), navicular fracture 3 cases( 15% ), cuboid fiacturc 2 cases ( 10%).20 cases lisfranc fracture-dislocations were displayed clearly and diagnosis definitely. Conclusion Radiograph,multiplanar reconstruction, shaded surface display and maximum intensity projection with spiral CT are the important methods to diagnose lisfranc fracture- dislocations.
Keywords:Lisfranc joint  Tarsometatarsal joint  Fracture,dislocation  spiral CT  Three-di- mensional reconstruction  Multiplanar reconstruction
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