Continuous inversion angiography | Zendy

Roberts D. A. | Zendy; Bolinger L. | Zendy; Detre J. A. | Zendy; Insko E. K. | Zendy; Berge P. | Zendy; Leigh J. S. | Zendy

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Continuous inversion angiography

Author(s) -

Roberts D. A.,

Bolinger L.,

Detre J. A.,

Insko E. K.,

Berge P.,

Leigh J. S.

Publication year - 1993

Publication title -

magnetic resonance in medicine

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.696

H-Index - 225

eISSN - 1522-2594

pISSN - 0740-3194

DOI - 10.1002/mrm.1910290508

Subject(s) - inversion (geology) , magnetic resonance angiography , nuclear magnetic resonance , magnetic resonance imaging , electromagnetic coil , physics , radiology , materials science , medicine , geology , paleontology , structural basin , quantum mechanics

A subtractive time‐of‐flight technique for magnetic resonance anglography is described. In this approach, the arterial supply to an organ is inverted in a steady‐state fashion by applying off‐resonance irradiation in the presence of a linear magnetic field gradient. An angiogram is formed by subtracting an image acquired with arterial inversion from a control image acquired with no arterial inversion. A single coil is used to apply both the inversion and observation pulses. Intracranial angiograms obtained from normal volunteers using a two‐dimensional projective implementation of this technique at 1.5 T illustrate excellent small vessel detail and background suppression.

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