Meeting Banner
Abstract #3819

Development of  2D Cartesian, radial and UTE MP2RAGE sequences for fast T1 mapping: application to MR thermometry

Thibaut L Faller1, Alice Rousseau1, Aurélien J Trotier1, Sylvain Miraux1, and Emeline J Ribot1

1CNRS - Univ. Bordeaux, CRMSB UMR 5536, Bordeaux Cedex, France

A surrogate strategy to the Proton Resonance Frequency technique that fails when short T2* tissue are present is the measurement of the longitudinal relaxation times T1. In order to monitor temperature in real-time, a 2D version of the Magnetization Prepared 2 Gradient Echo (MP2RAGE) sequence has been developed, and the cartesian encoding has been replaced by radial ones to obtain an ultra-short Echo Time (UTE). This enabled to measure T1 of short T2*-phantoms and to perform MR thermometry every 8s over a wide range of temperatures and consequently of T1.

This abstract and the presentation materials are available to members only; a login is required.

Join Here