گزارش یک مورد جسم خارجی بیولوژیک در ناحیه زانو

Introduction: Biologic foreign body had been rarely reported. Reported cases are mainly due to the explosion but there are few cases in the traffic road accidents. Methods: Our report is due to a case of motorcycle to motorcycle road accident. The victim was 18 years old man with femoral shaft open fracture and Pease of diaphyseal bone in the knee region. The bone segment was biologic foreign body that was transmitted from the counterpart of the accident that had open femoral shaft fracture and was died at the scene. Conclusion:  Biological foreign bodies beside the physical damages to the body had the risk of transmitting blood borne diseases that should be managed perfectly.