Detection of the Single-Session Complete Ablation Rate by Contrast-Enhanced Ultrasound during Ultrasound-Guided Laser Ablation for Benign Thyroid Nodules: A Prospective Study

Author:

Ma Shuhua1,Zhou Ping1ORCID,Wu Xiaomin1,Tian Shuangming1,Zhao Yongfeng1

Affiliation:

1. Department of Ultrasound, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China

Abstract

This study aimed to investigate the single-session complete ablation rate of ultrasound-guided percutaneous laser ablation (LA) for benign thyroid nodules. LA was performed in 90 patients with 118 benign thyroid nodules. Contrast-enhanced ultrasound (CEUS) was used to evaluate complete nodule ablation one day after ablation. Thyroid nodule volumes, thyroid functions, clinical symptoms and complications were evaluated 1, 3, 6, 12, and 18 months after ablation. Results showed that all benign thyroid nodules successfully underwent LA. The single-session complete ablation rates for nodules with maximum diameters ≤2 cm, 2-3 cm and ≥3 cm were 93.4%, 70.3% and 61.1%, respectively. All nodule volumes significantly decreased than that one day after ablation (P<0.05); at the final evaluation, the volume decreased from6.16±5.21 mL to0.05±0.01 mL. Thyroid functions did not show significant differences at one month after ablation compared with that before (P>0.05). Three patients had obvious pain during ablation; one (1.1%) had recurrent laryngeal nerve injury, but the voice returned to normal within 6 months after treatment. Thus, ultrasound-guided LA can effectively inactivate benign thyroid nodules. LA is a potentially viable minimally invasive treatment that offers good cosmetic effects.

Funder

Science and Technology Project of Hunan Province

Publisher

Hindawi Limited

Subject

General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine

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