[18F]二氧化碳-d-葡萄糖PET/MRI的代谢参数:可行性研究,比较乳腺癌患者在单一协议内从专门的乳腺和全身扫描中获得的标准化吸收值量化
Iris van Elferen1, Sofia Carrilho Vaz2,3, Patty J Nelemans4
1Department of Radiology and Nuclear Medicine, Maastricht University Medical Center+, Maastricht, the Netherlands.
Nuclear medicine communications
|December 4, 2025
概括
使用[18F]-2-脱氧-D-葡萄糖 ([18F]FDG) -PET/MRI进行乳腺癌分期显示,乳腺特异性和全身协议之间的代谢参数相似. 这支持将专门的乳房成像纳入全面的患者评估.
科学领域:
- 在瘤学瘤学.
- 放射学 放射学是一门学科.
- 核医学就是核医学.
背景情况:
- 组合的[18F]二氧化物-D-葡萄糖 ([18F]FDG) -PET/MRI提供了全面的乳腺癌分期.
- 这种综合方法包括乳腺特异性 (bpPET/MRI) 和全身 (wbPET/MRI) 协议.
- 关于这两种协议之间代谢参数的一致性存在有限的数据.
研究的目的:
- 评估使用易受bpPET/MRI (30-55分钟注射后) 的代谢参数的可行性.
- 将这些参数与wbPET/MRI (60分钟注射后) 的参数进行比较.
- 为了确定差异是否仍在临床上可接受的10%的范围内.
主要方法:
- 20名乳腺癌患者接受了bpPET/MRI和wbPET/MRI.
- 标准化吸收值 (SUVmax和SUVmean) 用于指数瘤和其他区域进行测量.
- 从注射后30到55分钟,每5分钟获得bpPET/MRI扫描;wbPET/MRI是在60分钟的参考时间.
主要成果:
- 大多数PET/MRI检查显示代谢参数差异在10%的范围内.
- 在45分钟和50分钟,SUVmax和SUVmean的平均百分比差异低于3.6%.
- 血液池SUV显示出更大的变化,而瘤和肝脏SUV在很大程度上保持了可比性.
结论:
- 在bpPET/MRI上的乳腺瘤局部分期的代谢参数与wbPET/MRI相似.
- 这些发现支持将乳腺专用协议整合到全身[18F]FDG PET/MRI中.
- 这种综合方法增强了全面的乳腺癌患者管理的潜力.
关键词:
有关PET/MRI的研究.乳腺癌 乳腺癌 乳腺癌乳房成像检查 乳房成像检查专门用于乳房的PET/MRI.混合成像技术 混合成像技术分子成像分子成像技术量化量化量化量化量化量化量化量化量化量化量化量化量标准化吸收值是标准化的吸收值.更多相关视频
06:51Utilizing 18F-FDG PET/CT Imaging and Quantitative Histology to Measure Dynamic Changes in the Glucose Metabolism in Mouse Models of Lung Cancer
Published on: July 21, 2018
18.5K
10:04Radionuclide-fluorescence Reporter Gene Imaging to Track Tumor Progression in Rodent Tumor Models
Published on: March 13, 2018
12.5K
相关概念视频
01:25Imaging Studies II: Positron Emission Tomography and Scintigraphy
472
Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Fundamental Principles of PET
472
01:29Positron Emission Tomography
6.8K
Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
6.8K