2、型I型:骨折无移位II型:骨折有分离移位。骨折块有大小,有时小骨折块嵌如关节间隙或游离于肱桡关节外侧缘。III型:桡骨头粉碎性骨折。桡骨头呈粉碎状,移位或无移位IV型:桡骨小头骨折并肘关节脱位Mason Johnson classification of Radial head and neck fracturesI NondisplacedII Minimally displaced with depression, angulation and impactionIII Comminuted and displacedIV Radial head fractur
3、es associated with dislocation of the elbow2.Schatzker-Tile分型I型:楔形骨折;II型:嵌压骨折;III型:粉碎性骨折;3.Hotchkiss分型I型:移位小II型:移位>2mm,可合并机械阻挡,比边缘性骨折严重;III型:粉碎性骨折合并机械阻挡,复位困难;4.Bakalim分型Ⅰ型:桡骨头纵向骨折,关节面无移位;Ⅱ型:桡骨头纵向骨折,关节面有分离;Ⅲ型:桡骨头纵向多骨折线,关节面有或者无分离;Ⅳ型:桡骨颈骨折,桡骨头无移位;Ⅴ型:桡骨颈骨折,桡骨头有移位;11桡骨小头/颈Hotchkiss分类(改良的Mas
4、on分类) Ref: Hotchkiss R. Longitudinal instability of the forearm. From the 67th annual meeting of the American Academy of Orthopaedic Surgeons (ASSH); March 15-19, 2000; Orlando, Fla.桡骨小头骨折治疗选择无移位无阻挡容易复位者,长臂石膏固定2周换铰链式支具活动;移位明显合并机械阻挡,或者粉碎性骨折ORIF,无法修复选择假体桡骨头置换,尽量不要切除,特别是Essex-lopresti损伤时