Abstract
In recent years, the incidence of thyroid cancer (TC) patients has gradually increased, and it ranks first among all endocrine tumors. TC has no obvious characteristics at the initial stage of onset. Thyroid tumors (TT) have formed when they are discovered, and they are easy to see when they are diagnosed. The disease is confused, so it is necessary to rely on imaging methods for tumor diagnosis. Contrast-enhanced ultrasound (CEUS), as the most commonly used imaging method in current clinical testing, is simple, safe, highly sensitive, can accurately display tumor conditions, and has high clinical value in the judgment of TC tumors. This article uses meta-analysis to select 63 published studies on CEUS to determine benign and malignant (BAM) TT to analyze and explore its clinical application value. This article understands the analysis of BAM TT and its diagnostic methods, clarifies the diagnostic efficiency of CEUS for TT, imaging methods, and imaging characteristics, and uses statistical analysis to analyze its heterogeneity. In this paper, the meta-analysis of CEUS in judging BAM TT is mainly based on references. The sensitivity, specificity, and difference of CEUS in diagnosing BAM TT are analyzed. Real-time elastography (RTE) is the comparison experiment object, and CEUS is used to compare the diagnostic efficiency, pathological results, and diagnostic efficiency of thyroid nodules in CEUS mode. The results of the study show that the nodule with higher diagnostic sensitivity is the echo feature, with a sensitivity of 97.73%, followed by the halo feature, with a sensitivity of 86.36%. In terms of diagnostic specificity, the boundary feature is the most specific. The specificity is 89.47%. In the judgment of BAM tumor nodules, the most obvious difference is the echo feature, which is as high as 14.09, followed by the acoustic halo feature, and the difference is 10.65.
Highlights
thyroid cancer (TC) is the most common malignant endocrine tumor in clinic, and it is the most common disease with the highest incidence in endocrinology [1, 2]
Contrast-enhanced ultrasonography stands out in the judgment of TC tumors, but the traditional ultrasound examination of thyroid nodules has a large overlap in the image of benign and malignant (BAM) thyroid nodules, which makes the clinical practice of ultrasound diagnosis of BAM thyroid nodules facing major challenges [7, 8]
In the diagnosis of BAM Thyroid tumors (TT) by Contrast-enhanced ultrasound (CEUS), there are documents that judge tumor nodules based on the CEUS mode
Summary
TC is the most common malignant endocrine tumor in clinic, and it is the most common disease with the highest incidence in endocrinology [1, 2]. Some scholars pointed out that CEUS is the only imaging technology that can continuously observe the contrast-enhanced phase It utilizes its unique high contrast and spatial resolution, uses the blood pool microbubble contrast agent to dynamically evaluate the tumor enhancement intensity in real time, and filter the background tissue. Some scholars pointed out that in CEUS, attention should be paid to the location, shape, size, number, echo, capsule, boundary, relationship with pancreatic duct and bile duct, early and late enhancement, and regression of the lesion [12]. These studies on CEUS in judging BAM TT have certain theoretical support for the realization of meta-analysis in this paper. No matter what method is used, an ultrasound device that can perform contrast must have sufficient bandwidth and high dynamic range and provide sufficient parameters [14]
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