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下场质子MRSI在3特斯拉:在人类脑瘤中的试点研究

İpek Özdemir¹, David O Kamson², Semra Etyemez^3,4

¹Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.

|September 9, 2023

概括

3D下场质子磁共振光谱成像 (DF-MRSI) 可以检测质母细胞瘤复发. 与治疗效果相比,在复发性瘤中,胺水平显著高于治疗效果,这表明瘤再生的分化有希望.

科学领域:

神经成像是一种神经成像.
在瘤学瘤学.
频谱学是一种光谱学.

背景情况:

质母细胞瘤 (GBM) 复发的检测具有挑战性.
区分复发瘤与治疗效应对于患者管理至关重要.

研究的目的:

评估3D下场质子磁共振光谱成像 (DF-MRSI) 用于识别复发性质母细胞瘤 (GBM).
评估3D DF-MRSI在GBM患者中的可行性和耐受性.

主要方法:

七名GBM患者接受了3T 3D DF-MRSI扫描.
使用LCModel分析了胺代谢物水平 (DF8.18和DF7.90).
根据临床数据和纵向MR图像,病变被归类为复发瘤或治疗效应.

主要成果:

复发的瘤区域显示胺代谢物水平明显高于正常的大脑和治疗效果区域 (p < 0.05).
治疗效应区域的胺含量明显低于看起来正常的大脑.

结论:

3D DF-MRSI对于GBM患者来说是一种可行且耐受良好的技术.
通过3D DF-MRSI测量的胺水平可以区分复发瘤和治疗效应.

关键词:

大脑瘤大脑瘤下场磁共振光谱成像下场磁共振光谱成像质母细胞瘤 (glioblastoma) 是一种瘤的复发瘤的复发

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