Long-Term Efficacy of Ultrasound-Guided Laser Ablation for Papillary Thyroid Microcarcinoma : Results of a 10-Year Retrospective Study
Background: The aim of this study was to evaluate the 10-year efficacy and safety of laser ablation (LA) for the treatment of solitary papillary thyroid microcarcinoma (PTMC). Methods: LA was performed on patients with low-risk PTMC (diagnosed using fine-needle aspiration cytology) who refused or were ineligible for surgery between 2008 and 2011. Ultrasonography was performed to evaluate the ablated volumes and potential recurrences on the day after the procedure, as well as at 1 week, 1, 3, and 6 months, and every 6 months thereafter for 10 years. Computed tomography (CT) with contrast enhancement and positron emission tomography/CT was performed to evaluate local recurrences and distant metastases. Results: A total of 90 PTMCs in 90 patients were treated in a single session of LA, and the procedure was well tolerated by the patients. The mean follow-up duration was 112 months. By 3-10 months after the LA, all the ablation areas had disappeared or presented as scars. The disappearance rate was 100% after 12 months. Thyroid hormone and autoantibody levels did not change significantly after the treatment. Three patients experienced transient voice changes, but each recovered within 1 month. Additional PTMC foci were subsequently detected in previously untreated areas in five patients (5.5%) 17-56 months after the treatment. A metastatic lymph node was detected in one patient (1.1%) within two months of the treatment; however, it was determined to be an undetected cancer metastasis, rather than a recurrence. All the patients with recurrence underwent surgery, and there were no instances of recurrence after >5 years. Conclusions: LA is effective and safe for the treatment of low-risk PTMCs. A thorough examination of multifocality and lymph node metastasis status is required before considering LA treatment.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:31 |
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| Enthalten in: |
Thyroid : official journal of the American Thyroid Association - 31(2021), 11 vom: 17. Nov., Seite 1723-1729 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kim, Ho Jin [VerfasserIn] |
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| Links: |
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| Themen: |
Efficacy |
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| Anmerkungen: |
Date Completed 17.03.2022 Date Revised 17.03.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1089/thy.2021.0151 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM329887920 |
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| 245 | 1 | 0 | |a Long-Term Efficacy of Ultrasound-Guided Laser Ablation for Papillary Thyroid Microcarcinoma |b Results of a 10-Year Retrospective Study |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Background: The aim of this study was to evaluate the 10-year efficacy and safety of laser ablation (LA) for the treatment of solitary papillary thyroid microcarcinoma (PTMC). Methods: LA was performed on patients with low-risk PTMC (diagnosed using fine-needle aspiration cytology) who refused or were ineligible for surgery between 2008 and 2011. Ultrasonography was performed to evaluate the ablated volumes and potential recurrences on the day after the procedure, as well as at 1 week, 1, 3, and 6 months, and every 6 months thereafter for 10 years. Computed tomography (CT) with contrast enhancement and positron emission tomography/CT was performed to evaluate local recurrences and distant metastases. Results: A total of 90 PTMCs in 90 patients were treated in a single session of LA, and the procedure was well tolerated by the patients. The mean follow-up duration was 112 months. By 3-10 months after the LA, all the ablation areas had disappeared or presented as scars. The disappearance rate was 100% after 12 months. Thyroid hormone and autoantibody levels did not change significantly after the treatment. Three patients experienced transient voice changes, but each recovered within 1 month. Additional PTMC foci were subsequently detected in previously untreated areas in five patients (5.5%) 17-56 months after the treatment. A metastatic lymph node was detected in one patient (1.1%) within two months of the treatment; however, it was determined to be an undetected cancer metastasis, rather than a recurrence. All the patients with recurrence underwent surgery, and there were no instances of recurrence after >5 years. Conclusions: LA is effective and safe for the treatment of low-risk PTMCs. A thorough examination of multifocality and lymph node metastasis status is required before considering LA treatment | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a efficacy | |
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| 650 | 4 | |a long-term | |
| 650 | 4 | |a papillary thyroid microcarcinoma | |
| 650 | 4 | |a safety | |
| 650 | 4 | |a ultrasound | |
| 700 | 1 | |a Chung, Seung Min |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Hanbyul |e verfasserin |4 aut | |
| 700 | 1 | |a Jang, Ju Young |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Jae Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Moon, Jun Sung |e verfasserin |4 aut | |
| 700 | 1 | |a Son, Gitak |e verfasserin |4 aut | |
| 700 | 1 | |a Oh, Jong-Ryool |e verfasserin |4 aut | |
| 700 | 1 | |a Bae, Jong Yup |e verfasserin |4 aut | |
| 700 | 1 | |a Yoon, Hyundae |e verfasserin |4 aut | |
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