罗发明,裴福兴,黄思庆,宋跃明.难复性寰枢脱位的影像学表现与前方减压术式选择初探[J].中国脊柱脊髓杂志,2003,(1):.
难复性寰枢脱位的影像学表现与前方减压术式选择初探
Irreducible atlantoaxial dislocation and ventral decompression of medulla and spinal cord
  
DOI:
中文关键词:  术式 寰枢关节 关节脱位 影像学 减压术
英文关键词:Atlantoaxial joint,Dislocation,Image,Decompression,
基金项目:
罗发明  裴福兴  黄思庆  宋跃明
[1]四川大学华西医院骨科610047 [2]四川大学华西医院神经外科610047
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中文摘要:
  目的:研究难复性寰枢脱位的影像学特征,探讨延、脊髓前方减压术式的选择。方法:回顾性分析了36例难复性寰枢脱位患者颅颈区X光片、CT和MRI,其中27例作了经后外侧入路前方减压术。结果:23例为枢椎完整型寰枢脱位,其寰椎侧块前移,有3例并寰椎前下旋转,4例并侧方移位,3例单侧关节脱位较严重;21例合并寰椎桃化,其中2例有枕大孔(即枕化的寰椎孔)不规则狭窄,1例有齿突椎体化畸形。13例为齿突不连型寰枢脱位,其中寰椎后脱位1例;寰椎前脱位为半脱位者8例(其中1例为“齿突骨”),全脱位者4例。术后CT显示,经后外侧入路前方减压的27例中23例骨性减压满意。结论:就前方减压而言,经后外侧入路的治疗有寰椎“旋转”,齿突畸形(如齿突椎体化、“齿突骨”等)或枕大孔不规则狭窄等的寰枢脱位有其优势,经口入路松解并牵引复位治疗齿突不连的寰枢椎全脱位较合理。
英文摘要:
  Objective:To review the imaging study of the irreducible atlantoaxial dislocations and explore the feasibility of transoral or posterolateral approach for ventral decompression of the atlantoaxial dislocation. Method:The X-ray film,MRI and/or CT of cranio
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