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ORIGINAL ARTICLE
Year : 2019  |  Volume : 2  |  Issue : 2  |  Page : 145-151

Life and limb after limb salvage surgery for osteosarcoma in an Indian tertiary cancer center


1 Department of General Surgery, S Nijalingappa Medical College, Bagalkot, Karnataka, India
2 Department of Surgical Oncology, Malabar Cancer Center, Thalassery, Kerala, India
3 Department of Biostatistics and Cancer Registry, Malabar Cancer Center, Thalassery, Kerala, India
4 Department of Physiotherapy, Malabar Cancer Center, Thalassery, Kerala, India

Correspondence Address:
Nizamudheen Mangalasseri Pareekutty
Department of Surgical Oncology, Malabar Cancer Center, Thalassery - 670 103, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/CRST.CRST_44_19

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Background: Limb salvage surgery (LSS) is the current surgical standard for malignant bone tumors. The advancements in imaging, surgical techniques, chemotherapy, and biomedical engineering have made LSS oncologically safe and with improved functional outcome. In this retrospective study, we report our experience with LSS and perioperative chemotherapy for osteosarcoma in a tertiary cancer center in India. Materials and Methods: A total of 41 LSS were performed from January 2009 to January 2015. Perioperative chemotherapy was administered to all patients after histopathological confirmation of osteosarcoma. The functional outcome of the patients was evaluated using the musculoskeletal tumor society (MSTS) scoring system at regular intervals. Statistical analysis involved the use of descriptive and inferential statistics for data analysis. Kaplan–Meier method was used for calculating the recurrence free and overall survival (OS) and log-rank test for comparing survival functions. Spearman and Karl Pearson's methods were used for correlation analysis. Results: The mean age was 19.3 years (range, 8–49 years). Twenty-five (61%) patients were males. Thirty-six (88%) patients had conventional high-grade osteosarcoma. Five-year relapse-free survival and OS were 56.1% ± 7.8% (95% confidence interval [CI], 53.7–58.5) and 58.5% ± 7.7% (95% CI, 56.1–60.9), respectively. The mean MSTS scores at 1 year for tumors of the upper tibia and distal femur were 64 and 75.9, respectively. Patients with high rate of chemotherapy-induced tumor necrosis (>99%) had significantly better median OS (85.70 ± 8.22 months) compared to those with less (<99%) tumor necrosis (58.15 ± 11.77 months), P = 0.030. Conclusion: The oncological and functional outcomes in osteosarcoma patients in the present study are comparable to those from the world literature. Chemotherapy-induced tumor necrosis is a favorable prognostic factor for patients treated for osteosarcoma with curative intent.


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