The MPR and3D,as supplyments of the transaxial CT,were helpful to assess the inner or outer traumatic change of joint and to display the3D spatial relationship of multiple fragmented trauma.

• MPR和3D有助于弥补轴位CT的不足,较全面评价关节内外的损伤改变,显示多发粉碎性骨折的三维空间关系。