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liposarcoma
(redirected from liposarcomas)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
liposarcoma /lipo·sar·co·ma/ (lip″o-sahr-ko´mah) a malignant mesenchymal tumor usually occurring in the intermuscular fascia in the upper thigh, characterized by primitive lipoblastic cells with varying degrees of lipoblastic or lipomatous differentiation, sometimes with foci of normal fat cells.
lip·o·sar·co·ma (lp-sär-km)
n.
A malignant tumor consisting chiefly of immature, anaplastic lipoblasts of varying sizes, usually occurring in association with a rich network of capillaries. Also called lipoblastoma.

liposarcoma
[lip′ōsärkō′mə] pl. liposarcomas, liposarcomata
Etymology: Gk, lipos + sarx, flesh, oma, tumor
a malignant growth of primitive fat cells that occurs in the deep soft tissue of the extremities and retroperitoneum. It is the most common soft tissue sarcoma. Also called lipoma sarcomatodes.

liposarcoma [lip″o-sahr-ko´mah]
a malignant tumor characterized by large anaplastic lipoblasts, sometimes with foci of normal fat cells.

liposarcoma (liˈ·pō·sar·kōˑ·m),
n a malignant tumor that comprises immature fat cells.
Enlarge picture
Liposarcoma.

liposarcoma
a malignant tumor characterized by large anaplastic lipoblasts, sometimes with foci of normal fat cells.


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DIAGNOSIS Well-differentiated liposarcoma of the groin DISCUSSION Liposarcomas account for 16% to 18% of malignant soft tissue tumors and are the second most common soft tissue sarcoma behind malignant fibrous histiocytoma.
Intraoral liposarcomas represent a particularly interesting subset of this tumor in that (1) they are exceedingly rare and (2) affected patients tend to have a better prognosis than do patients with a similar lesion located elsewhere in the head and neck.
Most liposarcomas have well-defined and mostly lobulated margins.
 
 
 
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