2024年5月7日 · Chemical shift artifact or misregistration is a type of MRI artifact. It is a common finding on some MRI sequences and used in magnetic resonance spectroscopy (MRS). This …

The chemical shift (δ) is a dimensionless constant specific for each type of nucleus (¹H, ³²P, etc) and chemical configuration (—CH 3, —OH, --PO 4, etc). Tables of chemical shift values are …

Chemical shift imaging (CSI) is an important fat-suppression technique in magnetic resonance imaging (MRI); it is used routinely in abdominal imaging to detect the presence of intralesional …

Learn about MRI Chemical Shift Artifact: Understand its physics, image appearance, and effective reduction techniques. Optimize MRI scans.

Chemical Shift Imaging (CSI), also known as MR Spectroscopic Imaging (MRSI), refers to a family of multi-voxel techniques that utilize phase-encoding in whole or in part for spatial localization. …

What is a chemical-shift artifact? C hemical shift refers to small changes in resonant frequency due to different molecular environments of nuclei. The ¹H protons of fat, for example, are …

2018年12月14日 · Chemical shift MRI sequences are routinely used in body imaging; this article reviews the MRI physics principles, followed by a detailed description of how to leverage both …

化学位移成像技术（chemical shift imaging）：也被称为同反相位成像技术，指根据所选TE时间的不同，两种氢质子会出现周期性的同相位（协同）、反相位（相削）的作用。

2012年11月23日 · Mapping the spatial distribution of nuclei associated with a particular chemical shift (e.g., hydrogen nuclei associated with water molecules or with lipid groups) is called …

2024年7月2日 · Chemical shift is defined as the fractional shift in Larmor frequency in parts per million (ppm). This value increases with increasing magnetic field strength. This can …