myxofibrosarcomaEtymologyBy surface analysis, myxo- + fibro- + sarc- + -oma.myxofibrosarcoma means A kind of malignant histiocytoma that is often myxoid and fibrous. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounA kind of malignant histiocytoma that is often myxoid and fibrous.