Liposarcoma A study of 55 cases with a reassessment of its classification

Fifty-five cases of liposarcoma were reviewed. The cases were classified on the basis of histopathologic findings as follows: myxoid, 29 cases; well-differentiated, 11 cases; dedifferentiated, eight cases; pleomorphic, four cases; combined well-differentiated and pleomorphic, two cases; and unclassified, one case. The term “dedifferentiated liposarcoma” is proposed for tumors containing distinct a…