Clinical outcomes of limb salvage surgery with postoperative intensity-modulated radiation therapy for soft-tissue sarcoma and metastasis

Katsuhisa Kawanami, Toshihiro Matsuo, Shintaro Yuki, Shoji Shimose, Ryosuke Takahashi, Masataka Deie

Indian Journal of Cancer 2018 55(2):176-178

OBJECTIVE: The primary aim of intensity-modulated radiation therapy (IMRT) for treating soft tissue sarcoma of an extremity is the reduction of morbidity and maintenance of local control. METHODS: We evaluated the outcomes and toxicity of adjuvant IMRT following function-preserving surgery to treat patients with soft tissue sarcoma and metastasis of the extremities. We retrospectively reviewed prospective databases at Kure Medical Center and Aichi Medical University between 2013 and 2016 and identified 10 patients with lower extremity soft tissue sarcoma who underwent both limb-sparing surgery and postoperative IMRT at one of our institutions. RESULTS: There were 7 men and 3 women (mean age, 67.2 years; range, 48–87 years) included in the study. Of these, four patients were continuously disease-free, two showed no evidence of disease, and four died due to disease. The average functional score was 82% (range, 53–100%). Among the 10 patients, 2 (22%) had grade 1–2 edema and 1 (11%) had grade 2 joint stiffness. Another patient developed grade 2 acute dermatitis. There were no severe complications such as infection, tissue necrosis, fracture, or nerve palsy. CONCLUSION: Although the number of patients in this study was small, our results show that adjuvant IMRT following function-preserving surgery for soft tissue sarcoma of the extremity can be valuable for treating unmanageable tumors.

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