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在[18F]FDG PET/MRI上显示了脊髓的扩散淋巴瘤参与

Chunyan Zhao¹, Liqian Yu¹, Lin Li¹

¹Department of Nuclear Medicine, West China Hospital, Sichuan University, Sichuan, China.

Nuclear medicine review. Central & Eastern Europe

|July 24, 2024

概括

这项案例研究突出了扩散大B细胞淋巴瘤的扩散脊髓干扰,使用-18-脱氧葡萄糖正子发射断层扫描/计算机断层扫描 (18F]FDG PET/CT) 和正子发射断层扫描/磁共振成像 (PET/MRI) 进行鉴定. 这些发现与之前报告的焦点模式有所不同.

科学领域:

在瘤学瘤学.
核医学就是核医学.
放射学放射学是一门学科.
神经学神经学

背景情况:

扩散性大B细胞淋巴瘤 (DLBCL) 是一种侵略性的非霍奇金淋巴瘤.
由淋巴瘤引起的脊髓干扰是罕见的,通常以焦点呈现.
像PET/CT和PET/MRI这样的先进成像技术对于分期和监测淋巴瘤至关重要.

研究的目的:

报告一个独特的扩散脊髓干扰病例,该病例发生在DLBCL患者身上.
为了说明正子发射断层扫描/计算机断层扫描 ([18F]FDG PET/CT) 和正子发射断层扫描/磁共振成像 (PET/MRI) 在诊断和评估脊髓淋巴瘤治疗反应中的实用性.
为了将观察到的脊髓干扰的扩散模式与以前记录的焦点模式进行比较.

主要方法:

一名61岁的DLBCL女性患者通过[18F]FDG PET/CT进行了分期.
由于怀疑脊髓和大脑受到影响,随后进行了PET/MRI.
图像检测结果与临床诊断和化疗反应相关.

主要成果:

最初的[18F]FDG PET/CT显示脊髓和大脑的显著吸收.
PET/MRI显示,脊髓中扩散[18F]FDG吸收和T2信号强度增加,与淋巴瘤参与一致.
患者被诊断出患有涉及中枢神经系统的IV期DLBCL. 化疗后,脊柱[18F]FDG吸收的显著减少表明了部分代谢反应.

结论:

这种病例呈现出DLBCL引起的扩散而不是焦点脊髓干扰的不寻常模式.
综合PET/MRI为中枢神经系统淋巴瘤的程度和代谢活性提供了宝贵的见解.
这些发现扩大了对中枢神经系统淋巴瘤放射性表现的理解.

关键词:

在这里,PET是PET.中枢神经系统中枢神经系统淋巴瘤淋巴瘤是什么脊髓是指脊髓的部分.

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