Abstract:Background: Limb preservation in musculoskeletal tumor surgery has largely replaced amputation. Biologic reconstructions are now performed as preferred choice; if not feasible options are "megaprostheses", allografts or composites. Endoprosthetic reconstructions usually provide immediate function, but fail at long term. Osteochondral allografts allow for one-to-one restoration and have potential for incorporation; however degeneration of the cartilage requiring revision almost inevitably will occur. In most ca… Show more
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