Abstract
Surgical resection with wide margins is pivotal for sarcoma treatment but achieving the same for fibular sarcomas is a surgical challenge. Thus, we decided to evaluate our own institutional database of primary fibular sarcomas for surgical treatment, margins and pattern of relapse. From July 2014 to October 2018, we identified fourteen patients with histologically confirmed fibular sarcomas. Limb salvage surgery (LSS) was performed in thirteen patients included in our study. One patient treated with definitive radiotherapy was excluded from final survival and functional analyses. The proximal third fibula was the most common site of involvement (85.7%). Osteosarcoma was the histological diagnosis in eight (57.1%) and Ewing’s in the remaining six (42.9%). All patients with proximal fibular tumours underwent Malawer type II resection. Margins were reported as free in twelve and involved in one case. The mean follow-up period was 37.15 months. In the operated group (n = 13), distant relapse occurred in 3 patients, combined relapse in 1 patient and 10 patients are alive and disease free until the last follow-up. The Kaplan-Meier survival analyses revealed the EFS (event-free survival-local/distant relapse) probability as 72.7% at 24 months and 53% at the end of 42 months. The OS (overall survival) probability at 24 months was 75.5% and 57.5% at the end of 42 months. Although it is difficult to achieve conventional wide margins in fibular sarcomas, our results suggest no increased incidence of local recurrence rates as compared to sarcomas at other common sites as reported in literature. Our series helps in understanding site-specific behaviour of sarcomas while contributing to the available data.
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Pruthi, M., Virk, J.S., Tiwari, A. et al. Primary Fibular Sarcomas: Do They Behave Differently? An Institutional Review of 14 Patients. Indian J Surg Oncol 12, 298–305 (2021). https://doi.org/10.1007/s13193-021-01286-9
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DOI: https://doi.org/10.1007/s13193-021-01286-9