[Total body irradiation: techniques and main indications].

: The radiotherapy department at Salah Azaiz institute had started, in March 2000, a new sophisticated technique of irradiation consisting in total body irradiation (TBI). TBI is used in many preparative regimens before bone marrow transplantation in the treatment of haematological malignancies. TBI aims to destroy immunocompetent tissues in order to avoid graft rejection and to eradicate residual tumor cells. In this article, we review different TBI techniques and its main indications. We also describe the acute and late effects of TBI.