The detection of the sentinel lymph node is one of the most significant surgical advance in cancer research. This technique allow to decrease the morbidity of a surgical gesture which can be noxious in itself even without bringing a profit in survival. In the gynaecological cancers the detection of the sentinel lymph node is still at the stage of feasibility. An evaluation of the technique and the applicability in these cancers is mandatory in view of the prognostic value of the nodal involvement in these patients.