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Am J Clin Pathol. 2006 Apr;125(4):555-81.

Osteosarcoma: anatomic and histologic variants.

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  • 1Department of Pathology, University of Alabama at Birmingham and the Birmingham Veterans Affairs Medical Center 35233, USA.

Abstract

Osteosarcoma is the most common primary tumor of bone, yet its absolute incidence among malignant tumors is low. Within its strict histologic definition, osteosarcoma comprises a family of lesions with considerable diversity in histologic features and grade. Its prognosis is dependent not only on these parameters, but also on its anatomic site. It may occur inside the bones (in the intramedullary or intracortical compartment), on the surfaces of bones, and in extraosseous sites. Information of diagnostic or prognostic significance has not been elucidated from studies of its cytogenetics. This review summarizes the anatomic and histologic variations of osteosarcoma and offers a schema for its subclassification.

PMID:
16627266
[PubMed - indexed for MEDLINE]
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