Koninklijke Philips Corporation N.v.

Stefan E Fischer

Melanie Suzanne Kotys

Zahi A Fayad

Venkatesh Mani

Craig Kenneth Jones

Philip Martyn Robson

Claudia Calcagno-Mani

Sarayu Ramachandran

A magnetic resonance imaging system () includes a magnetic resonance imaging device (), one or more processors (), and a display (). The magnetic resonance imaging device () includes a magnet (), gradient coils (), and one or more radio frequency coils (). The magnet () generates a Bo field. The gradient coils () apply gradient fields to the Bo field. The one or more radio frequency coils () generate a radio frequency pulse to excite magnetic resonance and measure generated gradient echoes. The one or more processors () are configured to activate () the one or more radio frequency coils () to generate a series of radio frequency pulses spaced by repetition times and to induce magnetic resonance. The one or more processors () are configured to control () the gradient coils to apply after each RF pulse readout gradient field pulses which refocus the resonance into a plurality of gradient echoes, shift and refocus gradient field pulses which shift and refocus at least one of the echoes to a subsequent repetition time, and receive and demodulate the gradient echoes to form k-space data lines. The one or more processors are configured to reconstruct () one or more images from the measured one or more gradient echoes. A display () displays the one or more reconstructed images.

Multi-echo PRESTO

A dual magnetic resonance imaging method simultaneously acquires a first and a second time series of MR images wherein the temporal resolution of the first time series of images is larger than that of the second time series while the spatial resolution of the first time series of images is smaller than that of the second time series. Accordingly, in the context of DCE-MRI, the first time series can be used to determine the arterial input function (AIF) while the second time series can be used to determine the concentration time course in the tissue of interest, e.g. in a vessel wall. Therefore, both the AIF and the tissue time course can be acquired with their optimal dynamic signal range.

Simultaneous high spatial low temporal resolution magnetic resonance (MR) sequence for dynamic contrast enhanced (DCE) magnetic resonance imaging (MRI)

Growing community of inventors

Beachwood, OH, United States of America

Stefan E Fischer