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Bone tumor
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===Surgical treatment=== {{Main|Amputation}} Treatment for some bone cancers may involve [[surgery]], such as limb [[amputation]], or limb sparing surgery (often in combination with [[chemotherapy]] and [[radiation therapy]]). [[limb-sparing techniques|Limb sparing surgery]], or limb salvage surgery, means the [[Limb (anatomy)|limb]] is spared from [[amputation]]. Instead of amputation, the affected bone is removed and replaced in one of two ways: (a) [[bone graft]], in which bone is taken from elsewhere on the body or (b) [[artificial bone]] is put in. In upper leg surgeries, limb salvage prostheses are available.{{citation needed|date=June 2021}} There are other joint preservation surgical reconstruction options, including allograft, tumor-devitalized autograft, vascularized fibula graft, [[distraction osteogenesis]], and custom-made implants.<ref>{{cite journal | vauthors = Takeuchi A, Yamamoto N, Hayashi K, Matsubara H, Miwa S, Igarashi K, Tsuchiya H | title = Joint-preservation surgery for pediatric osteosarcoma of the knee joint | journal = Cancer and Metastasis Reviews | volume = 38 | issue = 4 | pages = 709β722 | date = December 2019 | pmid = 31807972 | doi = 10.1007/s10555-019-09835-z | s2cid = 208650189 }}</ref> An analysis of massive knee replacements after resection of primary bone tumours showed patients did not score as highly on the Musculoskeletal Tumour Society Score and Knee Society Score as patients who had undergone intra-articular resection.<ref>{{cite journal | vauthors = Kendall SJ, Singer GC, Briggs TW, Cannon SR | title = A functional analysis of massive knee replacement after extra-articular resections of primary bone tumors | journal = The Journal of Arthroplasty | volume = 15 | issue = 6 | pages = 754β760 | date = September 2000 | pmid = 11021451 | doi = 10.1054/arth.2000.8104 }}</ref>
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