Osteosarcoma
Cancerous tumour in a bone / From Wikipedia, the free encyclopedia
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An osteosarcoma (OS) or osteogenic sarcoma (OGS) (or simply bone cancer) is a cancerous tumor in a bone. Specifically, it is an aggressive malignant neoplasm that arises from primitive transformed cells of mesenchymal origin (and thus a sarcoma) and that exhibits osteoblastic differentiation and produces malignant osteoid.[1]
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Osteosarcoma | |
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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 with a high density of malignant cells is seen between the non-malignant bone and poorly differentiated tumor (H&E stain). | |
Specialty | Oncology |
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Osteosarcoma is the most common histological form of primary bone sarcoma.[2] It is most prevalent in teenagers and young adults.[3]