为解决现有插入式 PET 系统在脑成像中存在的问题，提升成像效果，研究人员开展了 Add-on PET 用于人脑同步 PET 和 MRI 成像可行性的研究。结果显示同步成像无明显伪影，PET 图像未受 MRI 序列干扰，仅 MRI 有背景噪声。该研究为 PET-MRI 技术发展提供重要依据。

In a world first, University of Ottawa scientists have introduced a metal-free MRI dye capable of mapping kidney function with unprecedented accuracy. This technique will modernize urology, allow for ...

A magnetic resonance imaging (MRI) scan uses a strong magnetic field and radio waves to create detailed images of the organs and tissues within the body. MRI can help with viewing injuries, tumors, ...

An MRI scan can often be quite short, but it may be longer depending on the number of images that need to be taken and the part of your body being scanned. An MRI works by using strong magnets to ...