Background:Osteosarcoma (OS) is the most common primary malignant tumor of bone. The survival of OS patients has steadily improved from <20% in the early 20th century to around 70% with current treatment. There are very few studies in pediatric OS from India analyzing various aspects of the disease. This study focuses on the clinical profile, treatment options, and their complications and survival outcomes in pediatric osteosarcoma (OS) patients.Materials and Methods:This was a retrospective observational study which included pediatric patients <14 years of age, with newly diagnosed OS confirmed by histological diagnosis. Medical records of all patients were reviewed for clinical profile, treatment data, surgical management, and treatment complications. Patients alive at the end of treatment were followed up and overall (OAS) and disease-free survival (DFS) were analyzed.Results:Sixty-two patients were diagnosed with OS during the study of whom 55 opted for treatment. Cisplatin, adriamycin, and ifosfamide (PAI) was offered as chemotherapy and was completed as planned in the majority of patients. Limb salvage surgery was performed in most patients (87%, n = 40). The local recurrence occurred in 7 patients. The 3 years overall survival for the cohort was 54.6% ± 7.8% and DFS was 43.4% ± 7.9%, with females and those with the localized disease having a significantly better DFS.Conclusions:High dose methotrexate free chemotherapy can give good OAS in localized disease and LSS is feasible in most of the pediatric OS patients. However the modest DFS even for localized disease with PAI chemotherapy and extremely poor outcomes in the metastatic OS, demand further research and innovations in systemic therapy to improve outcomes.

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