𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Chemical shift artifact along the section-select axis

✍ Scribed by Ronald H. Wachsberg; Donald G. Mitchell; Matthew D. Rifkin; Simon Vinitski; Talin A. Tasciyan


Book ID
102375546
Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
305 KB
Volume
2
Category
Article
ISSN
1053-1807

No coin nor oath required. For personal study only.

✦ Synopsis


Abstract

Chemical shift artifact (CSA), familiar to radiologists along the frequency‐encoding axis, also occurs along the section‐select axis. The authors observed a case in which CSA mimicked a renal mass. Subsequent retrospective analysis of 50 abdominal magnetic resonance (MR) imaging studies was performed to assess occurrence of CSA adjacent to the upper and lower renal poles. CSA along the section‐select axis was observed in 76% of cases and adjacent to 39% of all renal poles imaged. CSA along the section‐select axis is common in abdominal MR imaging and may occasionally mimic disease.


📜 SIMILAR VOLUMES


Artifacts in chemical shift selective im
✍ J.M. Pope; R.R. Walker; T. Kron 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 357 KB

The role of susceptibility effects in the production of artifacts in chemical shift images generated by the selective excitation technique is discussed. The effects are demonstrated in images of phantom samples of agarose gels containing small air bubbles. The artifacts can lead to erroneous interpr

Spiral readout gradients for the reducti
✍ Dong-Hyun Kim; Elfar Adalsteinsson; Daniel M. Spielman 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 417 KB

## Abstract A motion artifact reduction method for proton chemical shift imaging (CSI) is presented. The method uses spiral‐based readout gradients for data acquisition. A characteristic of spiral‐based readout gradients is that data are repeatedly sampled at the k~__xy__~ origin. These data points

Temperature Mapping using the water prot
✍ Kagayaki Kuroda; Koichi Oshio; Andrew H. Chung; Kullervo Hynynen; Ferenc A. Jole 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 775 KB

## Abstract A proton‐chemical‐shift‐based temperature imaging method, called chemical shift selective phase mapping, is proposed. The technique uses frequency‐selective suppression to provide frequency selectivity to the phase mapping method. Separate imaging of the phase distributions of the water