1　病例报告　患者,男,58岁,1年前因行走不慎跌倒致左大腿肿痛、活动障碍。曾求诊于当地医院,Ｘ线提示:左股骨不完全性骨折。当地医院医生考虑左股骨不完全性骨折并血肿,入院后予以制动、镇痛、止血、消炎等治疗3周后出院。6个月后下地行走无疼痛。但1年后仍呈跛行,左大腿逐渐 1 Case report The patient, male, 58 years old, suffered from swelling and pain of the left thigh and movement disorder caused by accidental fall due to walking a year ago. He was consulted at a local hospital. X-rays indicated incomplete fracture of the left femur. Local hospital doctors considered incomplete fracture of the left femur and hematoma. After hospitalization, they were discharged after 3 weeks of treatment including braking, analgesia, hemostasis, and anti-inflammatory treatment. There was no pain in walking down after 6 months. However, one year later, it was still limp and the left thigh gradually