Abstract
Purpose
We propose to study a group of patients with primary bone sarcoma of the pelvis treated with limb salvage surgery and analyze overall survival, local recurrence rates and functional outcomes.
Methods
A retrospective review was performed, and all patients diagnosed with pelvic primary bone sarcomas between 1990 and 2012 were analyzed. Patients treated with limb salvage surgery and with a minimum of 12-month follow-up for patients alive were included. The overall survival and the local recurrence rate were calculated for the assessment of oncological results. The associations with gender, age, histological grade, type of surgery, margins chemotherapy response and use of navigation were examined.
Results
Fifty-two patients were included in the study. The mean age was 37 years (range 10–82), and mean follow-up was 44 months (range 8–189). Forty-five (86 %) tumors were histologically classified as high-grade sarcomas, four (8 %) as low-grade sarcomas and three (6 %) as dedifferentiated sarcomas. Cancer-specific overall survival was 37.5 % for 5 years and 31 % for 10 years. Local recurrence rate was 30 %. High-grade tumors and chemotherapy necrosis below 90 % were negative prognosis factor. Postoperative complication rate was 34.5 % (n:18), being deep infection the most prevalent (n:13). Reconstruction of the pelvis after an oncology resection for primary pelvic sarcomas increased the incidence of complication significantly (p < 0.001).
Conclusion
Primary bone sarcomas involving the pelvis are suggestive of a high-grade tumor and present poor oncologic outcomes. Pelvic reconstruction after a limb salvage surgery is associated with a high risk of complication.
Level of evidence
Case series, Level IV.
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All ICMJE Conflict of Interest Forms for authors are on file with the publication and can be viewed on request. Each author certifies that his institution has approved the reporting of this case report and that all investigations were conducted in conformity with ethical principles of research. One of the authors certifies that he (LAA-T) or she, or a member of his or her immediate family, has or may receive payments or benefits, during the study period, an amount of USD (USD 10,000-USD 100,000) from Stryker Americas (3000 SW 148th Avenue, Miramar, Florida 33027, USA).
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Farfalli, G.L., Albergo, J.I., Ritacco, L.E. et al. Oncologic and clinical outcomes in pelvic primary bone sarcomas treated with limb salvage surgery. Musculoskelet Surg 99, 237–242 (2015). https://doi.org/10.1007/s12306-015-0379-7
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DOI: https://doi.org/10.1007/s12306-015-0379-7