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n. pl. sar·co·mas also sar·co·ma·ta (-mə-tə)
A malignant tumor arising from bone or from soft tissues such as muscle, cartilage, fat, or blood or lymph vessels.

[New Latin, from Greek sarkōma, sarkōmat-, fleshy excrescence, from sarkoun, to produce flesh, from sarx, sark-, flesh.]

sar·co′ma·toid′ (-mə-toid′), sar·co′ma·tous (-təs) adj.
References in periodicals archive ?
Leiomyomatosis peritonealis disseminate complicated by sarcomatous transformation and ovarian torsion: presentation of two cases and review of the literature.
The authors concluded that TGFBR3 and MGEA5 rearrangements are much more common in hybrid HFTL-MIFS tumors than in classic MIFS, that HFLT and pure MIFS are unrelated, and that hybrid HFTL-MIFS tumors most likely represent HFLT with sarcomatous progression rather than a neoplasm strictly related to MIFS.
5] In view of rarity of bladder sarcoma, any malignant spindle cell tumour in urinary bladder of an adult is considered sarcomatous carcinoma until proven otherwise.
Intracranial sarcomatous tumors of leptomeningeal origin.
Prostatic carcinosarcoma is a rare malignancy composed of sarcomatous and carcinomatous elements.
The basis of the agency's decision was the concern about inadvertent spread of sarcomatous tissue.
Sarcomatous de- differentiation (osteosarcoma, fibrosarcoma, malignant fibrous histiocytoma or rarely chondrosarcoma) is occasionally seen (<1%) and is more common in the polyostotic form8.
It is typically identified following radiation therapy of primary tumors or as recurrences, and with its additional high-grade sarcomatous elements, i.
The differential diagnosis for an invasive anterior mediastinal mass includes invasive thymoma, thymic carcinoma, lymphoma, metastasis, malignant germ cell tumors, and primary sarcomatous tumors.
The sarcomatous component did not express CD99, CD34, CD56, and CDK4.
Two malignant variants are known--first, the primary malignant GCT that was found in up to 10% of cases; and second, the rare sarcomatous proliferation appears inside the lesion previously documented as a benign GCT.
Mikuz, "Adult type granulosa cell tumor of the testis with a heterologous sarcomatous component: case report and review of the literature," Diagnostic Pathology, vol.