Inter-reader agreement of LI-RADS treatment response algorithm among three readers with different seniorities for hepatocellular carcinoma after locoregional therapy.

IF 1.1 4区 医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Acta radiologica Pub Date : 2024-11-03 DOI:10.1177/02841851241289130
Yuxin Wang, Himeko Asayo, Wei Wang, Hui Xu, Dawei Yang, Lixue Xu, Siwei Yang, Zhenghan Yang
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引用次数: 0

Abstract

Background: The accurate evaluation of tumor response after locoregional therapy is crucial for adjusting therapeutic strategy and guiding individualized follow-up.

Purpose: To determine the inter-reader agreement of the LR-TR algorithm for hepatocellular carcinoma treated with locoregional therapy among radiologists with different seniority.

Material and methods: A total of 275 treated observations on 249 MRI scans from 99 patients were retrospectively collected. Three readers of different seniorities (senior, intermediate, and junior with 10, 6, and 2 years of experience in hepatic imaging, respectively) analyzed the presence or absence of features (arterial-phase hyperenhancement and washout) and evaluated LR-TR category.

Results: There were substantial inter-reader agreements for overall LR-TR categorization (kappa = 0.704), LR-TR viable (kappa = 0.715), and LR-TR non-viable (kappa = 0.737), but fair inter-reader agreement for LR-TR equivocal (kappa = 0.231) among three readers. The inter-reader agreement was substantial for arterial-phase hyperenhancement (kappa = 0.725), but moderate for washout (kappa = 0.443) among three readers. The inter-reader agreements between two readers were substantial for overall LR-TR categorization (kappa = 0.734, 0.727, 0.652), LR-TR viable (kappa = 0.719, 0.752, 0.678), and LR-TR non-viable (kappa = 0.758, 0.760, 0.694), which were at the same level as the inter-reader agreements among three readers. In addition, the inter-reader agreements between two readers were substantial for arterial-phase hyperenhancement (kappa = 0.733, 0.766, 0.678), but moderate for washout (kappa = 0.473, 0.422, 0.446), which were at the same level as the inter-reader agreements among three readers.

Conclusion: LR-TR algorithm demonstrated overall substantial inter-reader agreement among radiologists with different seniority.

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三位不同资历的读者对局部区域治疗后肝细胞癌的 LI-RADS 治疗反应算法的读者间一致性。
背景:准确评估局部治疗后的肿瘤反应对于调整治疗策略和指导个体化随访至关重要:目的:确定不同资历的放射科医生对肝细胞癌局部治疗后LR-TR算法的阅片者间一致性:回顾性收集了99名患者的249次核磁共振扫描共275个治疗观察结果。三位不同资历的读者(高级、中级和初级,分别有 10 年、6 年和 2 年的肝脏成像经验)分析了有无特征(动脉期高增强和冲刷)并评估了 LR-TR 类别:三位读者在LR-TR总体分类(kappa = 0.704)、LR-TR存活(kappa = 0.715)和LR-TR不存活(kappa = 0.737)方面的读者间一致性很高,但在LR-TR等效(kappa = 0.231)方面的读者间一致性一般。三位读者在动脉期高增强方面的读数一致性很好(kappa = 0.725),但在冲洗方面的读数一致性一般(kappa = 0.443)。在整体 LR-TR 分类(kappa = 0.734、0.727、0.652)、LR-TR 可行(kappa = 0.719、0.752、0.678)和 LR-TR 不可行(kappa = 0.758、0.760、0.694)方面,两名读者之间的读数差异很大,与三名读者之间的读数差异处于同一水平。此外,在动脉期高增强方面,两名读者之间的读数一致性很好(kappa = 0.733, 0.766, 0.678),但在冲洗方面,读数一致性一般(kappa = 0.473, 0.422, 0.446),与三名读者之间的读数一致性处于同一水平:结论:LR-TR 算法在不同资历的放射科医生之间表现出了很高的读片者间一致性。
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来源期刊
Acta radiologica
Acta radiologica 医学-核医学
CiteScore
2.70
自引率
0.00%
发文量
170
审稿时长
3-8 weeks
期刊介绍: Acta Radiologica publishes articles on all aspects of radiology, from clinical radiology to experimental work. It is known for articles based on experimental work and contrast media research, giving priority to scientific original papers. The distinguished international editorial board also invite review articles, short communications and technical and instrumental notes.
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