liposarcoma

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liposarcoma

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

lip·o·sar·co·ma

(lip'ō-sar-kō'mă),
A malignant neoplasm of adults that occurs especially in the retroperitoneal tissues and the thigh, usually deep in the intermuscular or periarticular planes; histologically, liposarcoma is a large tumor that may be composed of well-differentiated fat cells or may be dedifferentiated, either myxoid, round-celled, or pleomorphic, usually in association with a rich network of capillaries; recurrences are common, and dedifferentiated liposarcoma metastasizes to the lungs or serosal surfaces.
[lipo- + sarx, flesh, + -oma, tumor]

lip·o·sar·co·ma

(lip'ō-sahr-kō'mă)
A malignant neoplasm of adults that occurs especially in the retroperitoneal tissues and the thigh; planes composed of well-differentiated fat cells, or may be dedifferentiated, either myxoid, round celled, or pleomorphic; recurrences are common, and dedifferentiated liposarcomas metastasize to the lungs or serosal surfaces.
Synonym(s): lipoblastoma (1) .
[lipo- + sarx, flesh, + -oma, tumor]

liposarcoma

A very rare malignant tumour of fatty tissue. Liposarcomas usually occur in the fat on the inside of the back wall of the abdomen or in the MEDIASTINUM of elderly people.