MAGNETIC RESONANCE IMAGING WITH ZERO ECHO TIME AND SLICE SELECTION

A novel radio frequency sequence, suitable for performing Magnetic Resonance Imaging (MRI) of 2-dimensional (2D) slices of samples exhibiting short magnetization coherence times (i.e., hard tissues). The SS-ZTE pulse sequence contains the following steps: a) magnetizing all spins in the sample from...

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Bibliographic Details
Main Authors BORREGUERO MORATA, José, BENLLOCH BAVIERA, Jose María, GALVE CONDE, Fernando, ALONSO OTAMENDI, Joseba, ALGARÍN GUISADO, José Miguel
Format Patent
LanguageEnglish
French
German
Published 05.04.2023
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:A novel radio frequency sequence, suitable for performing Magnetic Resonance Imaging (MRI) of 2-dimensional (2D) slices of samples exhibiting short magnetization coherence times (i.e., hard tissues). The SS-ZTE pulse sequence contains the following steps: a) magnetizing all spins in the sample from a longitudinal direction to the transverse plane; b) exciting the 2D slice of interest, which comprises the selective locking of said 2D sample slice magnetization while spoiling the magnetization in the rest of sample volume; c) making the magnetization of the selected 2D slice impervious to reconfigurations of the magnetic field gradients from slice selection to encoding and readout; d) reading out of the free induction decay signal of the sample; e) repeating steps (a-d) with different readout directions, so as to gather a corresponding number of radial spokes of the plane defined by the 2D sample slice.
Bibliography:Application Number: EP20210729869