Imaging of shifted stimulated echoes and multiple spin echoes

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


It is shown that a repetitive pulse sequence consisting of two 90°pulses and gradients in a 1:2 ratio around the second 90°pulse generates interscan shifted stimulated echoes (SSTEs) and intrascan multiple spin echoes (MSEs). Separation of these two types of signals is accomplished using specific gradient crusher schemes. The intensity of the SSTEs is an order of magnitude larger than that of the MSEs and determines the signal contrast if both effects are selected simultaneously. The SSTE sequence generates improved contrast between gray and white matter, even at high field, which is explained in terms of increased inverse T1-weighting for the interscan echo. The MSE image has low signal to noise and no detectable contrast. The effect of interscan diffusion weighting is also discussed.

Original languageEnglish (US)
Pages (from-to)336-340
Number of pages5
JournalMagnetic resonance in medicine
Issue number3
StatePublished - Mar 1997


  • gray/white matter contrast
  • high field
  • multiple spin echoes
  • shifted stimulated echoes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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