The Serious Comphications of Prosthesis After The Treatment of Malignant Bone Tumors of the Distal Femur

after the use of systemic chemotherapy pre- and post surgery the management of malignant bone tumors have been changed and the rate of survival has improved up to more than 65%, and in some studies more than 75%. The Limb Salvage Surgery is now the standard treatment of malignant bone tumors, especially in the lower limb In the last three decades, the use of prosthesis has sharply risen in the world in order to have good functional results and better life Aims: introducing the serious complications of tumor prosthesis by analysing of 342 cases followed for 10 years.