创伤性膝关节骨折在临床并不少见,但由于膝关节结构复杂,骨块相互重叠,普通X线平片和轴位CT图像很难全面客观地显示骨折全貌,尤其对骨折移位、塌陷程度及关节腔内碎骨块显示欠佳,容易造成临床医师术前对复杂骨折的损伤 Traumatic knee fractures are not uncommon in clinical practice. However, due to the complex structure of the knee joint and the overlapping of the bones, it is difficult to show the fracture picture in a comprehensive and objective way in general plain radiographs and axial CT images, especially for fracture displacement, collapse degree And intra-articular bone fragments show poor, easily lead to preoperative clinicians of complex fracture injury