Fast CT-PRESS-based spiral chemical shift imaging at 3 tesla

Dirk Mayer, Dong Hyun Kim, Elfar Adalsteinsson, Daniel M. Spielman

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


A new sequence is presented that combines constant-time point-resolved spectroscopy (CT-PRESS) with fast spiral chemical shift imaging. It allows the acquisition of multivoxel spectra without line splitting with a minimum total measurement time of less than 5 min for a field of view of 24 cm and a nominal 1.5 × 1.5-cm2 in-plane resolution. Measurements were performed with 17 CS encoding steps in t, (Δt1 = 12.8 ms) and an average echo time of 151 ms, which was determined by simulating the CT-PRESS experiment for the spin systems of glutamate (Glu) and myo-inositol (ml). Signals from N-acetyl-aspariate, total creatine, choline-containing compounds (Cho), Glu, and ml were detected in a healthy volunteer with no or only minor baseline distortions within 14 min on a 3 T MR scanner.

Original languageEnglish
Pages (from-to)974-978
Number of pages5
JournalMagnetic Resonance in Medicine
Issue number5
Publication statusPublished - 2006 May

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging


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