Positive contrast with alternating repetition time SSFP (PARTS): a fast imaging technique for SPIO-labeled cells.

Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine
Tolga CukurDwight G Nishimura

Abstract

There has been recent interest in positive-contrast MRI methods for noninvasive tracking of cells labeled with superparamagnetic iron-oxide nanoparticles. Low-tip-angle balanced steady-state free precession sequences have been used for fast, high-resolution, and flow-insensitive positive-contrast imaging; however, the contrast can be compromised by the limited suppression of the on-resonant and fat signals. In this work, a new technique that produces positive contrast with alternating repetition time steady-state free precession is proposed to achieve robust background suppression for a broad range of tissue parameters. In vitro and in vivo experiments demonstrate the reliability of the generated positive contrast. The results indicate that the proposed method can enhance the suppression level by up to 18 dB compared with conventional balanced steady-state free precession.

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Citations

Jan 31, 2012·Imaging in Medicine·Yingli FuDara L Kraitchman
Apr 8, 2015·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Tolga Çukur
Aug 18, 2012·Magnetic Resonance Imaging·Tina KapurAkila N Viswanathan
Dec 24, 2015·Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance·Adrienne E Campbell-WashburnAnthony Z Faranesh
Nov 2, 2014·Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance·Adrienne E Campbell-WashburnAnthony Z Faranesh
Aug 27, 2010·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Peter R SeevinckChris J G Bakker
Oct 26, 2011·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·R Reeve IngleDwight G Nishimura
Jan 4, 2012·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Kuan J LeeJochen Leupold
May 24, 2011·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Jaehoon ChungPhillip C Yang
Aug 19, 2014·IEEE Transactions on Medical Imaging·Tolga Cukur
Dec 23, 2015·Annals of Biomedical Engineering·Daniela Y SantiestebanStanislav Emelianov
Jan 28, 2020·NMR in Biomedicine·Erdem BıyıkTolga Çukur
Mar 2, 2011·Dalton Transactions : an International Journal of Inorganic Chemistry·Thomas D SchladtWolfgang Tremel

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