MRI Coil Development Strategies for Hybrid MR-PET Systems: A Review

IF 17.2 1区 工程技术 Q1 ENGINEERING, BIOMEDICAL
Chang-Hoon Choi;Jörg Felder;Christoph Lerche;N. Jon Shah
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引用次数: 1

Abstract

Simultaneously operating MR-PET systems have the potential to provide synergetic multi-parametric information, and, as such, interest surrounding their use and development is increasing. However, despite the potential advantages offered by fully combined MR-PET systems, implementing this hybrid integration is technically laborious, and any factors degrading the quality of either modality must be circumvented to ensure optimal performance. In order to attain the best possible quality from both systems, most full MR-PET integrations tend to place the shielded PET system inside the MRI system, close to the target volume of the subject. The radiofrequency (RF) coil used in MRI systems is a key factor in determining the quality of the MR images, and, in simultaneous acquisition, it is generally positioned inside the PET system and PET imaging region, potentially resulting in attenuation and artefacts in the PET images. Therefore, when designing hybrid MR-PET systems, it is imperative that consideration be given to the RF coils inside the PET system. In this review, we present current state-of-the-art RF coil designs used for hybrid MR-PET experiments and discuss various design strategies for constructing PET transparent RF coils.
混合 MR-PET 系统的 MRI 线圈开发策略:综述。
同时运行的 MR-PET 系统具有提供多参数协同信息的潜力,因此,人们对其使用和开发的兴趣与日俱增。然而,尽管完全联合的 MR-PET 系统具有潜在的优势,但实施这种混合集成在技术上非常费力,而且必须避免任何降低两种模式质量的因素,以确保最佳性能。为了使两种系统都能达到最佳质量,大多数全面的 MR-PET 集成系统都倾向于将屏蔽 PET 系统置于 MRI 系统内部,靠近受检者的目标容积。MRI 系统中使用的射频(RF)线圈是决定 MR 图像质量的关键因素,而在同步采集中,它通常位于 PET 系统和 PET 成像区域内,可能会导致 PET 图像的衰减和伪影。因此,在设计 MR-PET 混合系统时,必须考虑 PET 系统内的射频线圈。在本综述中,我们将介绍目前用于混合 MR-PET 实验的最先进的射频线圈设计,并讨论构建 PET 透明射频线圈的各种设计策略。
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来源期刊
IEEE Reviews in Biomedical Engineering
IEEE Reviews in Biomedical Engineering Engineering-Biomedical Engineering
CiteScore
31.70
自引率
0.60%
发文量
93
期刊介绍: IEEE Reviews in Biomedical Engineering (RBME) serves as a platform to review the state-of-the-art and trends in the interdisciplinary field of biomedical engineering, which encompasses engineering, life sciences, and medicine. The journal aims to consolidate research and reviews for members of all IEEE societies interested in biomedical engineering. Recognizing the demand for comprehensive reviews among authors of various IEEE journals, RBME addresses this need by receiving, reviewing, and publishing scholarly works under one umbrella. It covers a broad spectrum, from historical to modern developments in biomedical engineering and the integration of technologies from various IEEE societies into the life sciences and medicine.
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