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Published in: Endocrine 3/2018

01-12-2018 | Original Article

Safety and efficiency of ultrasound-guided low power microwave ablation in the treatment of cervical metastatic lymph node from papillary thyroid carcinoma: a mean of 32 months follow-up study

Authors: Dengke Teng, Lei Ding, Yu Wang, Caimei Liu, Yongxu Xia, Hui Wang

Published in: Endocrine | Issue 3/2018

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Abstract

Purpose

To evaluate the safety and efficiency of microwave ablation (MWA) with low power of 20 w, respectively, in the treatment of cervical metastatic lymph node (CMLN) from papillary thyroid carcinoma (PTC) with a mean of 32-month follow-up.

Methods

Eleven patients in total with 24 cervical lymph nodes (LNs) diagnosed with CMLN from PTC underwent MWA at a power of 20 w. We recorded images of the LNs under ultrasound first before MWA and 1, 3, 6, 12, months after MWA, and then every 6 months, respectively. The volumes of the LNs were compared before MWA and at each follow-up point after MWA. The thyroglobulin (Tg) test was performed before MWA and 3 months after MWA.

Results

All patients were successfully treated, and they showed no major complications. Before MWA, the mean volume of the LNs was 364.15 ± 306.89 mm3, which decreased to 234.10 ± 230.34 mm3, 107.51 ± 129.47 mm3, 20.88 ± 39.27 mm3, 3.38 ± 12.74 mm3, and completely disappeared at the follow-up point of 1, 3, 6, 12, and 18 months after MWA, respectively. The mean Tg was 11.81 ± 7.50 ng/ml, a data significantly decreased to 0.43 ± 0.11 ng/ml 3 months after MWA (P = 0.000). In the follow-up period, no recurrent lesions were found.

Conclusions

For the treatment of CMLN from PTC, low power MWA showed good safety and efficacy. MWA is likely to be a candidate for patients with high risks or who refuse reoperation.
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Metadata
Title
Safety and efficiency of ultrasound-guided low power microwave ablation in the treatment of cervical metastatic lymph node from papillary thyroid carcinoma: a mean of 32 months follow-up study
Authors
Dengke Teng
Lei Ding
Yu Wang
Caimei Liu
Yongxu Xia
Hui Wang
Publication date
01-12-2018
Publisher
Springer US
Published in
Endocrine / Issue 3/2018
Print ISSN: 1355-008X
Electronic ISSN: 1559-0100
DOI
https://doi.org/10.1007/s12020-018-1711-4

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