odontogenic fibrosarcoma

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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, and histologically identical with other fibrosarcomas; the malignant counterpart of odontogenic fibroma …   Medical dictionary

• fibrosarcoma — A malignant neoplasm derived from deep fibrous tissue, characterized by bundles of immature proliferating fibroblasts arranged in a distinctive herringbone pattern with variable collagen formation, which tends to invade locally and metastasize by …   Medical dictionary

• ameloblastic fibrosarcoma — an odontogenic tumor that is the malignant counterpart to an ameloblastic fibroma, within which it usually arises. Called also ameloblastic sarcoma …   Medical dictionary

• International Classification of Diseases for Oncology — The International Classification of Diseases for Oncology (ICD O) is a domain specific extension of the International Statistical Classification of Diseases and Related Health Problems for tumor diseases. This classification is widely used by… …   Wikipedia