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Treatment efficacy of radiofrequency ablation for recurrent tumor at the central compartment after hemithyroidectomy

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Abstract
OBJECTIVE. The aim of this study was to evaluate the efficacy of ultrasound (US)-guided radiofrequency ablation (RFA) for recurrent tumor in the central compartment after hemithyroidectomy. MATERIALS AND METHODS. The medical records of patients who underwent RFA for recurrent tumor after hemithyroidectomy between January 2008 and December 2018 were reviewed. Eight patients who underwent RFA for 10 recurrent tumors after hemithyroidectomy were included in our study population. Patients underwent follow-up US 1, 6, and 12 months after treatment and annually thereafter. The tumor volume reduction rate (VRR) was calculated as follows: VRR = ([initial volume - final volume] × 100) / initial volume. All patients were advised to undergo contrast-enhanced CT after tumor ablation. Complete tumor disappearance was defined as no visible treated tumor on follow-up US or CT. RESULTS. Mean tumor VRR was 97.8% ± 7.0% (SD) (range, 77.8?100%). Complete tumor ablation was achieved for all 10 recurrent tumors. Complete disappearance was confirmed in nine recurrent tumors, and one recurrent tumor showed a VRR of 77.8% on US but there was no enhancement on CT. All eight patients achieved no evidence of disease during mean follow-up of 33.0 months. RFA was tolerated by all patients; there were no major complications or procedure-related deaths. One patient experienced transient voice change during RFA. CONCLUSION. RFA can be considered to be an effective and safe alternative treatment method for recurrent tumor in the central compartment after hemithyroidectomy.
Author(s)
김태용백정환성태연송동은이정현정새롬최영준
Issued Date
2021
Type
Article
Keyword
local neoplasm recurrenceneoplasm recurrencepapillary thyroid cancerradiofrequency ablationsonographythyroid cancertreatment outcome
DOI
10.2214/AJR.20.23434
URI
https://oak.ulsan.ac.kr/handle/2021.oak/7970
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_crossref_primary_10_2214_AJR_20_23434&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Treatment%20efficacy%20of%20radiofrequency%20ablation%20for%20recurrent%20tumor%20at%20the%20central%20compartment%20after%20hemithyroidectomy&offset=0&pcAvailability=true
Publisher
AMERICAN JOURNAL OF ROENTGENOLOGY
Location
미국
Language
영어
ISSN
0361-803X
Citation Volume
216
Citation Number
6
Citation Start Page
1574
Citation End Page
1578
Appears in Collections:
Medicine > Medicine
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