Management of primary malignant bone and soft tissue tumors of foot and ankle: Is it worth salvaging?

Background and Objective

Performing limb salvage with safe margins and preserving meaningful function is very difficult in the setting of primary malignant bone and soft tissue tumors due to the complex and constrained anatomy of the foot and ankle. The study aims to evaluate the efficacy of limb salvage procedures in terms of functional and oncological outcomes.

Methods

Clinical data of 48 patients, who underwent surgical treatment between 1992 and 2015 in our institution, were retrospectively analyzed. Twenty-one (43.7%) patients had unplanned resections elsewhere previously. Limb salvage surgery (LSS) was the index surgery in 43 (89.6%) patients. In the LSS group, 28 (65.1%) received preoperative radiotherapy and 13 (30.2%) underwent complex reconstruction. The functional outcomes were assessed with Musculoskeletal Tumor Society (MSTS) scores. Limb survival and oncological outcomes were evaluated according to Kaplan-Meier curves.

Results

The mean follow-up time was 32.7 (3-115) months. Mild deformities and wound healing problems were the most common problems. While the functional scores were significantly higher in the LSS group, no significant difference was detected between amputation and LSS patients in terms of survival rates.

Conclusion

LSS performed in specialized centers is an effective treatment method for malignant tumors of the foot and ankle.

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