超声造影在甲状腺结节中的应用:现状与未来展望

Performance of Contrast-Enhanced Ultrasound in Thyroid Nodules: Review of Current State and Future Perspectives.

作者信息

Radzina Maija, Ratniece Madara, Putrins Davis Simanis, Saule Laura, Cantisani Vito

机构信息

Radiology Research Laboratory, Riga Stradins University, LV-1007 Riga, Latvia.

Medical Faculty, University of Latvia, LV-1004 Riga, Latvia.

出版信息

Cancers (Basel). 2021 Oct 30;13(21):5469. doi: 10.3390/cancers13215469.

Abstract

Ultrasound has been established as a baseline imaging technique for thyroid nodules. The main advantage of adding CEUS is the ability to assess the sequence and intensity of vascular perfusion and hemodynamics in the thyroid nodule, thus providing real-time characterization of nodule features, considered a valuable new approach in the determination of benign vs. malignant nodules. Original studies, reviews and six meta-analyses were included in this article. A total of 624 studies were retrieved, and 107 were included in the study. As recognized for thyroid nodule malignancy risk stratification by US, for acceptable accuracy in malignancy a combination of several CEUS parameters should be applied: hypo-enhancement, heterogeneous, peripheral irregular enhancement in combination with internal enhancement patterns, and slow wash-in and wash-out curve lower than in normal thyroid tissue. In contrast, homogeneous, intense enhancement with smooth rim enhancement and "fast-in and slow-out" are indicative of the benignity of the thyroid nodule. Even though overlapping features require standardization, with further research, CEUS may achieve reliable performance in detecting or excluding thyroid cancer. It can also play an operative role in guiding ablation procedures of benign and malignant thyroid nodules and metastatic lymph nodes, and providing accurate follow-up imaging to assess treatment efficacy.

摘要

超声已成为甲状腺结节的一种基线成像技术。添加超声造影(CEUS)的主要优势在于能够评估甲状腺结节内血管灌注的顺序和强度以及血流动力学,从而实时表征结节特征,这被认为是判定良性与恶性结节的一种有价值的新方法。本文纳入了原始研究、综述及六项荟萃分析。共检索到624项研究,其中107项被纳入本研究。正如超声用于甲状腺结节恶性风险分层所公认的那样,为了在判定恶性方面达到可接受的准确性,应综合应用多个CEUS参数:低增强、不均匀、周边不规则增强并结合内部增强模式,以及慢进慢出曲线且低于正常甲状腺组织。相比之下,均匀、强烈增强且边缘光滑以及“快进慢出”则提示甲状腺结节为良性。尽管存在重叠特征需要标准化,但随着进一步研究,CEUS在检测或排除甲状腺癌方面可能会取得可靠的表现。它还可在指导良性和恶性甲状腺结节及转移性淋巴结的消融手术中发挥作用,并提供准确的随访成像以评估治疗效果。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d814/8582579/2ece22f880b9/cancers-13-05469-g001.jpg

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