6.P.10 LIPOSARCOMA IN CHILDREN AND ADOLESCENTS: AN ANALYSIS OF PROSPECTIVELY COLLECTED MULTICENTRIC DATA IN THE FRAMEWORK OF THE CWS STUDY GROUP

Liposarcoma (LPS) is among the most common soft tissue sarcoma (STS) in adults, accounting for > 10% of all STS. In children and adolescents, however, LPS are a rarity. Limited data about best treatment of pediatric LPS are derived from the scarce single-centre reports encompassing no more than a dozen patients.Between 10/1980-6/2008, 18 of > 3,500 patients 5cm. Thirteen LPS were completely resected at best surgery, and microscopically residual disease remained in two more tumours. Six individuals received radiation with a...