Bilateral imaging using separate interleaved 3D volumes and dynamically switched, multiple receive coil arrays

Robert L. Greenman, Robert E. Lenkinski, Mitchell D. Schnall

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

Multiple receive coil arrays are often designed for unilateral imaging of anatomy having bilateral symmetry. A technique is described for extending the utility of such arrays to simultaneously image both bilaterally symmetric anatomical features, A separate, complete multiple receive coil array is placed at each location. Two separate, noncontiguous 3D volumes are then acquired, one at each location, in an interleaved fashion. High-impedance blocking networks are alternately activated and deactivated to minimize coupling between the arrays. It is demonstrated that there is no degradation in image quality when compared to a unilateral exam. A general method for analyzing the interactions between separate multiple coil arrays is presented.

Original languageEnglish (US)
Pages (from-to)108-115
Number of pages8
JournalMagnetic resonance in medicine
Volume39
Issue number1
DOIs
StatePublished - Jan 1 1998

Keywords

  • Bilateral imaging
  • Coils
  • MRI
  • Multicoil array

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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