陈旧性骨折不愈合、四肢骨髓炎并骨皮缺损和肢体骨肿瘤等是骨科中的常见病 ,其中对骨缺损范围较大或需行瘤段切除重建的患者 ,目前临床多采用带血管骨肌皮瓣移植手术进行治疗。为确保手术的成功 ,术前常规需行肢体动脉造影 ,以了解病变部位及骨肌皮瓣供区动脉血液供应情况。以 Old fracture nonunion, limb osteomyelitis and bone defect and limb bone tumors are common diseases in orthopedics, of which a larger range of bone defects or tumor resection and reconstruction of patients, the current clinical use of vascular calcification Skin flap surgery for treatment. In order to ensure the success of surgery, preoperative routine need arterial angiography to understand the lesion and bone myocutaneous flap for regional arterial blood supply. To