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Treated osteosarcoma, light micrograph
Treated osteosarcoma. Light micrograph showing necrosis of tumour cells in a treated osteosarcoma; however, the osteoid matrix persists. The current treatment protocols for osteosarcoma consist of neoadjuvant chemotherapy followed by surgical resection. Limb-sparing procedures are used whenever feasible. The degree of necrosis following chemotherapy indicates prognosis; the greater the necrosis, the better the prognosis., by WEBPATHOLOGY/SCIENCE PHOTO LIBRARY
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