Anatomic radial axis
Anatomic radial axis
定义
解剖桡骨轴是用于评估桡骨角度畸形并指导矫正的解剖标志。
在额状面上,解剖桡骨轴由桡骨的颅尾位X线片或多平面重建图像确定。在桡骨全长的25%、50%和75%处各作一条垂直于骨干的直线,解剖桡骨轴连接这三条直线的中点。
在矢状面上,解剖桡骨轴由桡骨的内外侧位X线片或多平面重建图像确定。由于犬桡骨存在正常的前弓(procurvatum),解剖桡骨轴无法以单一直轴表示,因此将其分为两段:近端解剖桡骨轴和远端解剖桡骨轴。
參考資料
Fox et al. (2006). Principles of Uniapical and Biapical Radial Deformity Correction Using Dome Osteotomies and the Center of Rotation of Angulation Methodology in Dogs. Veterinary Surgery;35:67–77. doi:10.1111/j.1532-950X.2005.00114.x
Fox J, Tomlinson JL. Principles of Angular Limb Deformity Correction. In: Tobias KM, Johnston SA, editors. Veterinary Surgery Small Animal. St Louis (MI): Elsevier Saunders; 2012. p.657-668.
Kwon et al. (2022). Evaluation of the radial procurvatum using the center of rotation of angulation methodology in chondrodystrophic. Dogs Front Vet Sci; 8:774993. doi: 10.3389/fvets.2021.774993