Tumors in the lower extremity with a critical size of over 5 cm diameter should principally be tested for being malignant soft-tissue sarcomas. If a soft-tissue sarcoma is present, radical oncological resection with sufficiently wide surgical margins is the most important cornerstone of curative therapy. No neoadjuvant or adjuvant treatment (radiotherapy or chemotherapy) can replace this treatment approach. Modern techniques of tumor resection as well as plastic-reconstructive surgery permit one to perform radical tumor excision in more than 95% of cases and to close large defects and to largely preserve function of the extremity by transplantation of muscles, tendons and bones as well as transplantations of nerves and blood vessels. The plastic reconstructions after radical tumor resection are often demanding and complex and require intensive interdisciplinary cooperation. This consists of the full spectrum of plastic surgical options, which should be performed in specialized centers and be specifically adapted to the patient and case profile. In this review different options for functional reconstruction after radical oncological removal of soft-tissue sarcomas are presented.
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