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COMPARATIVE STUDY
JOURNAL ARTICLE
Treatment and outcome of parosteal osteosarcoma: biological versus endoprosthetic reconstruction.
Journal of Surgical Oncology 2011 June
BACKGROUND AND OBJECTIVES: Due to its good prognosis despite local recurrence, more and less invasive methods for surgical treatment of parosteal osteosarcoma (POS) have been described. Aim of this retrospective single-center study was to investigate differences in outcome after biological and prosthetic reconstruction.
METHODS: A total of 28 patients with POS, 14 females, 14 males, mean age of 27 years (median, 24 years; range 15-59 years), mean follow-up of 130 months (median, 104 months; range, 9-383 months), underwent wide tumor resection and prosthetic reconstruction (12 patients, 42.9%), less extensive resection and biological reconstruction (11 patients, 39.3%), rotationplasty (three patients, 10.7%), or amputation (two patients, 7.1%).
RESULTS: There were two cases of local recurrence in patients with biological reconstruction and three cases of pulmonary metastases, leading to death of disease in two. Ten-year disease-specific survival was 91.1%. There was no significant difference between prosthetic and biological reconstruction in terms of local recurrence, metastasis, or functional outcome (mean MSTS Score, 85%). There were significantly more revisions in prosthetic reconstructions.
CONCLUSIONS: Given that the resection of the tumor has clear margins, both prosthetic and biological reconstruction show similar results; prostheses allow better local tumor control, however, require more revisions over time.
METHODS: A total of 28 patients with POS, 14 females, 14 males, mean age of 27 years (median, 24 years; range 15-59 years), mean follow-up of 130 months (median, 104 months; range, 9-383 months), underwent wide tumor resection and prosthetic reconstruction (12 patients, 42.9%), less extensive resection and biological reconstruction (11 patients, 39.3%), rotationplasty (three patients, 10.7%), or amputation (two patients, 7.1%).
RESULTS: There were two cases of local recurrence in patients with biological reconstruction and three cases of pulmonary metastases, leading to death of disease in two. Ten-year disease-specific survival was 91.1%. There was no significant difference between prosthetic and biological reconstruction in terms of local recurrence, metastasis, or functional outcome (mean MSTS Score, 85%). There were significantly more revisions in prosthetic reconstructions.
CONCLUSIONS: Given that the resection of the tumor has clear margins, both prosthetic and biological reconstruction show similar results; prostheses allow better local tumor control, however, require more revisions over time.
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