Also found in: Acronyms.
well-differentiated liposarcomaA well-circumscribed, slow-growing, low-grade malignancy of fat cells, which arises de novo (i.e., not from pre-existing lipomas) in deep soft tissue of thighs, retroperitoneum, and groin of middle-aged adults. As a general rule, the deeper the tumour, the more likely it is to recur.
5000 new cases/year (US), which is 20% of all soft-tissue tumours; average age 50, slightly more common in males.
Mass, history of trauma, swelling, reduced range of motion, increased varicose veins, fatigue, abdominal pain, nausea, vomiting, weight loss, compartment syndrome.