intraosseous low-grade osteosarcoma

intraosseous low-grade osteosarcoma
a well-differentiated osteosarcoma of low malignancy arising within a bone, composed of spindle cells arranged in interlacing bundles separated by collagen fibers, with invasion of fatty marrow or extraosseous soft tissue.

Medical dictionary. 2011.

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  • Osteosarcoma — Classification and external resources Intermediate magnification micrograph of an osteosarcoma (center and right of image) adjacent to non malignant bone (left bottom of image). The top right of the image has poorly differentiated tumor. Osteoid… …   Wikipedia

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