fibrosarcoma

fibrosarcoma /fi·bro·sar·co·ma/ (-sahr-ko´mah) a malignant, locally invasive, hematogenously spreading tumor derived from collagen-producing fibroblasts that are otherwise undifferentiated.

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ameloblastic fibrosarcoma  an odontogenic tumor that is the malignant counterpart to an ameloblastic fibroma, within which it usually arises.

odontogenic fibrosarcoma  a malignant tumor of the jaws, originating from one of the mesenchymal components of the tooth or tooth germ.

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fi·bro·sar·co·ma (fbr-sär-km)

n.

A malignant tumor derived from fibrous connective tissue and characterized by immature proliferating fibroblasts or undifferentiated anaplastic spindle cells.

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fibrosarcoma (fī´brōsärkō´m),

n a malignant mesenchymal tumor, the basic cell type being a fibroblast. Most fibrosarcomas are locally infiltrative and persistent but do not metastasize.

Fibrosarcoma.

fibrosarcoma, odontogenic,

n an extremely rare malignant form of odontogenic fibroma.

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fibrosarcoma

a sarcoma arising from collagen-producing fibroblasts. They occur in many organs and cause well-identified syndromes, e.g. oral, nasal, gastric.

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odontogenic fibrosarcoma

a malignant tumor of the jaws, originating from one of the mesenchymal components of the tooth or tooth germ.