Tumors of uncertain histogenesis

16. McCormick 0, Mentzel T, Beham A et al. Dedifferentiated liposarcoma. Clinicopathologic analysis of 32 cases suggesting a batter prognostic subgroup among pleomorphic sarcomas. Am J Surg Pathol 1994; 18:1213-1223. 17. Fletcher CDM, Akerman M, Dal Cin P et al. Correlation between clinicopathological features and karyotype in lipomatous tumors. Am J Pathol 1996; 148: 623-630. 18. Dei Tos AP, Doglioni C, Piccinin S et al. Molecular abnormalities of the p53 pathway indedifferentiated liposarcoma. J Pathol 1997; 181: 8-13. 19. Knight JC, Renwick PJ, Dal Cin P et al. Translocation t(12;16)(q13:p 11) inmyxoidliposarcoma and round cell liposarcoma: Molecular and cytogeneticanalysis. Cancer Res 1995; 55: 24-27. 20. Dal Cin P, Sciot R. Panagopoulos I et al. Additional evidence of a variant translocation t(12;22) with EWS/CHOP fusion in myxoid liposarcoma: Clinicopathologic features. J Pathol 1997; 182: 437-441 . 21. Kilpatrick SE, Doyon J, Choong PFM et al. The clinicopathologic spectrum of myxoid and round cell liposarcoma. A study of 95 cases. Cancer 1996; 77: 1450-1458. 22. Dei Toa AP, Mentzel T, Fletcher CDM, Primary liposarcoma of the skin: A are neoplasm with unusual high grade features. Am J Dermatopathol 1998; 20: 332-338.