Linear Combination Steady-state Free Precession MRI

Overview

Journal Magn Reson Med

Publisher Wiley

Specialty Radiology

Date 2000 Jan 22

PMID 10642734

Citations 40

Authors

S S Vasanawala

J M Pauly

D G Nishimura

Affiliations

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Abstract

A new, fast, spectrally selective steady-state free precession (SSFP) imaging method is presented. Combining k-space data from SSFP sequences with certain phase schedules of radiofrequency excitation pulses permits manipulation of the spectral selectivity of the image. For example, lipid and water can be resolved. The contrast of each image depends on both T1 and T2, and the relative contribution of the two relaxation mechanisms to image contrast can be controlled by adjusting the flip angle. Several potential applications of the technique, referred to as linear combination steady-state free precession (LCSSFP), are demonstrated: fast musculoskeletal, abdominal, angiographic, and brain imaging.

Citing Articles

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Optimization of flip angle and radiofrequency pulse phase to maximize steady-state magnetization in three-dimensional missing pulse steady-state free precession.

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Chen Z, Hua S, Gao J, Chen Y, Gong Y, Shen Y J Cardiovasc Magn Reson. 2023; 25(1):68.

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Arterial spin labeled perfusion imaging with balanced steady-state free precession readout and radial sampling.

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