摘要
To the Editor:Hydatidosis is a parasitic tapeworm infection caused by Echinococcus,which is a rare anthropozoonosis that seldom affects bone.A 35-year-old female patient from Qinghai province was admitted to Peking University First Hospital who complained about progressive paracoxalgia and lower limb weakness of the left leg for about 14 years after falling from a standing height.Pathologic fracture of femoral neck was diagnosed and malunion after conservative treatment was found.
