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

Kim, Seon-Jeong MD*†; Chung, Hye Won MD, PhD*; Baek, Jung Hwan MD*; Lee, Jong-Seok MD, PhD; Lee, Sang Hoon MD, PhD*; Lee, Min Hee MD, PhD*; Shin, Myung Jin MD, PhD*

doi: 10.1097/RUQ.0000000000000062
Original Research

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.

*Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul; †Department of Radiology, University of Inje College of Medicine, Haeundae Paik Hospital, Busan; and ‡Department of Orthopedic Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.

Received for publication September 28, 2013; accepted November 26, 2013.

The authors declare no conflict of interest.

Reprints: Hye Won Chung, MD, PhD, Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 138-736, Republic of Korea (e-mail: chung@amc.seoul.kr).

© 2014 by Lippincott Williams & Wilkins