Mi Sun Chung1, Jung Hwan Baek2, Jeong Hyun Lee1, Young Jun Choi1, Jong Ho Yoon3, Soon Yuhl Nam4, Seong Chul Kim5, Jin Yong Sung6, Seon Mi Baek7, Dong Gyu Na8. 1. 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, Korea. 2. 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, Korea. radbaek@naver.com. 3. Department of Breast and Endocrine Surgery, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Korea. 4. Department of Otorhinolaryngology-Head and Neck Surgery, Head and Neck Cancer Center, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Korea. 5. Department of Pediatric Surgery, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Korea. 6. Department of Radiology and Thyroid Center, Daerim St. Mary's Hospital, Daerim, Korea. 7. Department of Radiology, Sharing and Happiness Hospital, Seoul, Korea. 8. Department of Radiology, Human Medical Imaging & Intervention Center, Seoul, Korea.
Abstract
OBJECTIVE: To compare the efficacy and safety of ethanol ablation (EA) for thyroglossal duct cyst (TGDC) against surgery. METHODS: This study included 345 patients (289, surgery; 56, EA) treated for TGDC at four institutions between May 2005 and June 2014. Surgery (whole surgery and Sistrunk operation which is the current standard surgical method) and EA were compared with respect to the treatment failure and complication rates. The cost of EA and surgery was also compared. The Cox regression hazard model and linear regression were used for the adjustment of covariates. RESULTS: EA demonstrated higher treatment failures (19.6% vs. 2.4%, p < 0.001[whole surgery] and 1.2%, p = 0.004 [Sistrunk operation]), but fewer complications (1.8% vs. 10.0%, p = 0.04 [whole surgery] and 10.2%, p = 0.06 [Sistrunk operation]), and lower cost (₩423,801 vs. ₩1,435,707 [whole surgery]) than surgery. EA achieved 85.7% of treatment success up to second session. The mean volume reduction rate after EA was 82.3% at last follow-up. Young age and EA were correlated with treatment failure (p = 0.01 and 0.001, respectively). CONCLUSION: Both surgery and EA had acceptable treatment efficacy in the management of TGDC. Although there is a higher likelihood of treatment failure with EA, it has a better safety profile than surgery. KEY POINTS: • Both surgery and ethanol ablation show acceptable treatment efficacy for TGDC. • Considering treatment failure, surgery manages TGDC more effectively than EA. • EA is safer than surgery and presents no major complications. • EA could be an alternative treatment for TGDC in selected patients.
OBJECTIVE: To compare the efficacy and safety of ethanol ablation (EA) for thyroglossal duct cyst (TGDC) against surgery. METHODS: This study included 345 patients (289, surgery; 56, EA) treated for TGDC at four institutions between May 2005 and June 2014. Surgery (whole surgery and Sistrunk operation which is the current standard surgical method) and EA were compared with respect to the treatment failure and complication rates. The cost of EA and surgery was also compared. The Cox regression hazard model and linear regression were used for the adjustment of covariates. RESULTS:EA demonstrated higher treatment failures (19.6% vs. 2.4%, p < 0.001[whole surgery] and 1.2%, p = 0.004 [Sistrunk operation]), but fewer complications (1.8% vs. 10.0%, p = 0.04 [whole surgery] and 10.2%, p = 0.06 [Sistrunk operation]), and lower cost (₩423,801 vs. ₩1,435,707 [whole surgery]) than surgery. EA achieved 85.7% of treatment success up to second session. The mean volume reduction rate after EA was 82.3% at last follow-up. Young age and EA were correlated with treatment failure (p = 0.01 and 0.001, respectively). CONCLUSION: Both surgery and EA had acceptable treatment efficacy in the management of TGDC. Although there is a higher likelihood of treatment failure with EA, it has a better safety profile than surgery. KEY POINTS: • Both surgery and ethanol ablation show acceptable treatment efficacy for TGDC. • Considering treatment failure, surgery manages TGDC more effectively than EA. • EA is safer than surgery and presents no major complications. • EA could be an alternative treatment for TGDC in selected patients.
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