{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T10:25:32Z","timestamp":1791973532815,"version":"4.4.0"},"reference-count":23,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2010,1,27]],"date-time":"2010-01-27T00:00:00Z","timestamp":1264550400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cancer"],"published-print":{"date-parts":[[2010,3,15]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>BACKGROUND:<\/jats:title><jats:p>The objective of the current study was to formulate a scoring system to enable decision making for prophylactic stabilization of the femur after surgical resection of a soft tissue sarcoma (STS) of the thigh.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS:<\/jats:title><jats:p>A logistic regression model was developed using patient variables collected from a prospectively collected database. The study group included 22 patients who developed a radiation\u2010related pathological fracture of the femur after surgery and radiotherapy for an STS of the thigh. The control group of 79 patients received similar treatment but did not sustain a fracture. No patients received chemotherapy. The mean follow\u2010up was 8.6 years. The variables examined were age, gender, tumor size, radiation dose (low [50 grays (Gy)] vs high [\u226560 Gy]), extent of periosteal stripping (&lt;10 cm, 10\u201020 cm, and &gt;20 cm), and thigh compartment involvement (posterior, adductor, anterior or other [ie, abductors and groin]).<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS:<\/jats:title><jats:p>On the basis of an optimal regression model, the ability to predict radiation\u2013associated fracture risk was 91% sensitive and 81% specific. The area under the receiver operating characteristic curve was 0.9, which supports this model as a very accurate predictor of fracture risk.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSIONS:<\/jats:title><jats:p>Radiation\u2010related fractures of the femur after combined surgery and radiotherapy for STS are uncommon, but are difficult to manage and their nonunion rate is extremely high. The results of the current study suggest that it is possible to predict radiation\u2010associated pathological fracture risk using patient and treatment variables with high sensitivity and specificity. This would allow for the identification of high\u2010risk patients and treatment with either close follow\u2010up or prophylactic intramedullary nail stabilization. The presentation of this model as a nomogram will facilitate its clinical use. Cancer 2010. \u00a9 2010 American Cancer Society.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cncr.24949","type":"journal-article","created":{"date-parts":[[2010,1,27]],"date-time":"2010-01-27T14:49:27Z","timestamp":1264603767000},"page":"1553-1559","source":"Crossref","is-referenced-by-count":75,"title":["Prediction of pathologic fracture risk of the femur after combined modality treatment of soft tissue sarcoma of the thigh"],"prefix":"10.1002","volume":"116","author":[{"given":"Yair","family":"Gortzak","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gina A.","family":"Lockwood","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashish","family":"Mahendra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ying","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter W. 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