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Whole-body PET/MRI of Pediatric Patients: The Details That Matter

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Published on: December 19, 2017

在儿科腹腔淋巴结转移中的MRI可靠性?

Sabriye Gülçin Bozbeyoğlu¹, Umut Perçem Orhan Söylemez¹, Nesrin Gündüz²

¹Department of Radiology, Istanbul Goztepe Prof Dr Suleyman Yalcin City Hospital, Kadıköy, Turkey.

Acta radiologica (Stockholm, Sweden : 1987)

|July 19, 2023

概括

磁共振成像 (MRI) 在检测一些儿科腹部淋巴结转移方面,显示出与正子发射断层扫描-计算机断层扫描 (PET-CT) 相同的可靠性,可能减少辐射暴露. 然而,可靠性因淋巴结位置而异.

科学领域:

儿科瘤学儿科瘤学
医学成像医学成像
诊断放射学是指诊断放射学.

背景情况:

电脑断层扫描 (PET-CT) 对于检测淋巴结转移是有效的,但涉及辐射暴露.
重复成像,特别是在儿科患者中,引起了人们对累积X射线剂量的担忧.
磁共振成像 (MRI) 为可视化腹部淋巴结提供了一个无辐射的替代方案,并提供详细的解剖和功能信息.

研究的目的:

评估MRI在儿童腹部恶性瘤中识别淋巴结转移的可靠性.
通过比较其对PET-CT的有效性来确定MRI是否可以减少X射线剂量.
为了评估MRI在儿科腹部癌症分期的诊断性能.

主要方法:

对患有腹部固体恶性病变的儿科患者 (<18岁) 的回顾性单中心研究 (2015-2022年).
定义了14个解剖淋巴结位置,以便在MRI和PET-CT之间进行比较.
使用科恩的卡帕测试来量化跨模式协议,P<0.05被认为是显著的.

主要成果:

包括25名患有腹部固体瘤的儿科患者 (平均年龄9.32±16.9岁).
根据淋巴结站的MRI可靠性有所不同:对于内结 (k=0.915),肝门和大气结几乎是完美的.
对中腔淋巴结 (k=0.525) 发现了相当可靠的可靠性,这表明了位置依赖的性能.

结论:

在儿童患者中,MRI在检测某些腹内转移性淋巴结方面表现出与PET-CT相当的可靠性.
核磁共振效果取决于位置,在特定的解剖区域具有更高的可靠性.
磁力共振成像为评估儿科腹部恶性瘤中的淋巴结参与提供了一个可行的,无辐射的选择,尽管需要仔细考虑解剖部位.

关键词:

淋巴结的淋巴结的淋巴结的磁共振成像技术的使用转移转移转移转移儿科儿科儿科定子发射断层扫描 (PET).

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