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2021 年韩国甲状腺影像报告和数据系统在儿科甲状腺结节中的诊断性能。

Diagnostic performance of the 2021 Korean thyroid imaging reporting and data system in pediatric thyroid nodules.

机构信息

Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.

University of Ulsan Foundation for Industry Cooperation, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.

出版信息

Eur Radiol. 2023 Jan;33(1):172-180. doi: 10.1007/s00330-022-09037-2. Epub 2022 Aug 17.

Abstract

OBJECTIVES

To evaluate the diagnostic performance of 2021 K-TIRADS biopsy criteria for detecting malignant thyroid nodules in a pediatric population, making comparisons with 2016 K-TIRADS.

METHODS

This retrospective study included pediatric patients with histopathologically confirmed diagnoses. The diagnostic performance of 2021 K-TIRADS was compared with that of 2016 K-TIRADS. Simulation studies were performed by changing biopsy cut-off sizes for K-TIRADS 5 to 1.0 cm (K-TIRADS) and 0.5 cm (K-TIRADS), and for K-TIRADS 4 to 1.0 cm (K-TIRADS) and 1.0-1.5 cm (K-TIRADS). Subgroup analysis was performed in small (< 1.5 cm) and large nodules (≥ 1.5 cm).

RESULTS

Two hundred seventy-seven thyroid nodules (54.9% malignant) from 221 pediatric patients were analyzed. All simulated 2021 K-TIRADS showed higher accuracy than 2016 K-TIRADS. Compared with 2021 K-TIRADS, 2021 K-TIRADS showed lower specificity (51.6% vs. 47.9%; p = 0.004) but higher sensitivity (77.2% vs. 90.3%; p < 0.001) and accuracy (62.7% vs. 68.9%; p < 0.001). Compared with 2021 K-TIRADS, 2021 K-TIRADS showed higher specificity (44.9% vs. 47.9%; p = 0.018) without significant difference in other diagnostic measures. Compared with 2016 K-TIRADS, 2021 K-TIRADS (biopsy cut-offs, 0.5 cm for K-TIRADS 5; 1.0-1.5 cm for K-TIRADS 4) showed higher sensitivity (34.0% vs. 67.3%; p < 0.001) while maintaining specificity (89.4% vs. 88.2%; p = 0.790) in small nodules, and higher specificity (5.9% vs. 25.4%; p < 0.001) while maintaining sensitivity (100% vs. 98.7%; p = 0.132) in large nodules.

CONCLUSIONS

In pediatric patients, 2021 K-TIRADS showed superior diagnostic accuracy to 2016 K-TIRADS, especially with a biopsy cut-off of 0.5 cm for K-TIRADS 5 and 1.0-1.5 cm for K-TIRADS 4.

KEY POINTS

• All simulated 2021 K-TIRADS showed higher accuracy than 2016 K-TIRADS. • 2021 K-TIRADS with cut-off size for K-TIRADS 5 of 0.5 cm showed lower specificity but higher sensitivity and accuracy than that of 1.0 cm. • Compared with 2016 K-TIRADS, 2021 K-TIRADS (biopsy cut-offs, 0.5 cm for K-TIRADS 5; 1.0-1.5 cm for K-TIRADS 4) showed higher sensitivity while maintaining specificity in small nodules, and higher specificity while maintaining sensitivity in large nodules.

摘要

目的

评估 2021 年 K-TIRADS 活检标准在儿科人群中检测恶性甲状腺结节的诊断性能,并与 2016 年 K-TIRADS 进行比较。

方法

本回顾性研究纳入了经组织病理学证实的儿科患者。比较了 2021 年 K-TIRADS 与 2016 年 K-TIRADS 的诊断性能。通过将 K-TIRADS 5 的活检截止大小从 1.0 cm 更改为 0.5 cm(K-TIRADS)和 0.5 cm(K-TIRADS),以及将 K-TIRADS 4 的活检截止大小从 1.0 cm 更改为 1.0-1.5 cm(K-TIRADS),对 2021 年 K-TIRADS 进行了模拟研究。在小(< 1.5 cm)和大(≥ 1.5 cm)结节中进行了亚组分析。

结果

共分析了 221 例儿科患者的 277 个甲状腺结节(54.9%为恶性)。所有模拟的 2021 年 K-TIRADS 显示出比 2016 年 K-TIRADS 更高的准确性。与 2021 年 K-TIRADS 相比,2021 年 K-TIRADS 显示出较低的特异性(51.6% vs. 47.9%;p = 0.004),但具有更高的敏感性(77.2% vs. 90.3%;p < 0.001)和准确性(62.7% vs. 68.9%;p < 0.001)。与 2021 年 K-TIRADS 相比,2021 年 K-TIRADS 显示出更高的特异性(44.9% vs. 47.9%;p = 0.018),而其他诊断措施没有显著差异。与 2016 年 K-TIRADS 相比,2021 年 K-TIRADS(活检截止大小,K-TIRADS 5 为 0.5 cm;K-TIRADS 4 为 1.0-1.5 cm)在小结节中显示出更高的敏感性(34.0% vs. 67.3%;p < 0.001),同时保持特异性(89.4% vs. 88.2%;p = 0.790),在大结节中显示出更高的特异性(5.9% vs. 25.4%;p < 0.001),同时保持敏感性(100% vs. 98.7%;p = 0.132)。

结论

在儿科患者中,2021 年 K-TIRADS 显示出比 2016 年 K-TIRADS 更高的诊断准确性,尤其是 K-TIRADS 5 的活检截止大小为 0.5 cm 和 K-TIRADS 4 的活检截止大小为 1.0-1.5 cm 时。

关键点

  • 所有模拟的 2021 年 K-TIRADS 均显示出比 2016 年 K-TIRADS 更高的准确性。

  • 与 1.0 cm 相比,K-TIRADS 5 的截止大小为 0.5 cm 的 2021 年 K-TIRADS 显示出较低的特异性,但具有更高的敏感性和准确性。

  • 与 2016 年 K-TIRADS 相比,2021 年 K-TIRADS(活检截止大小,K-TIRADS 5 为 0.5 cm;K-TIRADS 4 为 1.0-1.5 cm)在小结节中显示出更高的敏感性,同时保持特异性,在大结节中显示出更高的特异性,同时保持敏感性。

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