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WHO Classification of Tumours
Mixed liposarcoma
Connective, subcutaneous and other soft tissues


Definition

Mixed liposarcoma is a rare malignant neoplasm, characterized by the presence of a combination of liposarcomatous morphologic subtypes: myxoid /round cell and well differentiated /dedifferentiated liposarcoma or myxoid /round cell and pleomorphic liposarcoma .
Mixed-type liposarcomas appear to arise mainly in retroperitoneal or intraabdominal locations. Tumours are generally large, often multinodular masses; cystic and solid areas are common

Click for details
Fletcher CDM, Unni KK, Mertens F (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of Soft Tissue and Bone.
3rd Edition
IARC Press: Lyon 2002



. They are exteremely rare and affect predominantly elderly patients
Click to access Pubmed
Mentzel T, Fletcher CD (1997)
Dedifferentiated myxoid liposarcoma: a clinicopathological study suggesting a closer relationship between myxoid and well-differentiated liposarcoma.
Histopathology 30: 457-63




Click for details
Fletcher CDM, Unni KK, Mertens F (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of Soft Tissue and Bone.
3rd Edition
IARC Press: Lyon 2002



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