[Prolonged survival in retroperitoneal liposarcoma. Apropos of a case with 27 years' survival. Prognostic value of the histological type and role of repeat surgery].

: The authors report a case of differentiated myxoid liposarcoma with a survival of 27 years as a result of repeated resections. They emphasise the value of a precise study of the histological type and grade: well differentiated and/or myxoid forms of liposarcomas appear to have a more favourable long term prognosis. This prognosis justifies repeated operations. The post-operative follow-up by computed tomography ensures earlier detection of recurrences. The time of re-operation depends on the volume of the tumour, the rate of growth, the possibilities of resection and the request for relief by the patient.