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Difference between revisions of "Osteosarcoma"
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| Micro = cells with malignant features (e.g. nuclear membrane irregularities, marked nuclear size differences, mitoses) surrounded by delicate strands of osteoid | | Micro = cells with malignant features (e.g. nuclear membrane irregularities, marked nuclear size differences, mitoses) surrounded by delicate strands of osteoid | ||
| Subtypes = conventional osteosarcoma (osteoblastic osteosarcoma, [[fibroblastic osteosarcoma]], [[chondroblastic osteosarcoma]]), [[small cell osteosarcoma]], [[telangiectatic osteosarcoma]], [[parosteal osteosarcoma]], periosteal osteosarcoma, [[low-grade central osteosarcoma]], high-grade surface osteosarcoma, [[secondary osteosarcoma]], gnathic osteosarcoma | | Subtypes = conventional osteosarcoma (osteoblastic osteosarcoma, [[fibroblastic osteosarcoma]], [[chondroblastic osteosarcoma]]), [[small cell osteosarcoma]], [[telangiectatic osteosarcoma]], [[parosteal osteosarcoma]], periosteal osteosarcoma, [[low-grade central osteosarcoma]], high-grade surface osteosarcoma, [[secondary osteosarcoma]], gnathic osteosarcoma | ||
| LMDDx = [[chondrosarcoma]] | | LMDDx = [[chondrosarcoma]], [[phosphaturic mesenchymal tumour, mixed connective tissue type]], [[undifferentiated pleomorphic sarcoma]] (for fibroblastic osteosarcoma), [[aneurysmal bone cyst]] (for telangiectatic osteosarcoma), [[fibrous dysplasia]], [[small round cell tumours]] (for small cell osteosarcoma) | ||
| Stains = | | Stains = | ||
| IHC = | | IHC = | ||