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Ultrasonography-Guided Radiofrequency Ablation of Malignant Musculoskeletal Soft-Tissue Tumors Using the “Moving-Shot” Technique at a Single-Institution Experience

Abstract The present study describes the use of the “moving-shot” technique for successful radiofrequency ablation (RFA) of malignant musculoskeletal soft-tissue tumors. Ultrasonography-guided RFA was performed in 6 malignant soft-tissue tumors in 5 patients. Short-term follow-up after RFA (8–27 weeks) showed that complete necrosis was achieved in all lesions, and 5 lesions (83%) decreased in size. Discomfort caused by the tumors decreased subjectively in all patients after ablation. Our results indicate that ultrasonography-guided RFA using the moving-shot technique can be an effective treatment option for locoregional control of malignant soft-tissue tumors. Long-term follow-up studies with a larger number of patients are necessary.