Abstract #2923

Imaging of Lung Conductivity Using Ultrashort Echo-Time Imaging

Ulrich Katscher¹ and Peter Börnert¹

¹Philips Research Europe, Hamburg, Germany

Reliable MR imaging of lung tissue could be an important element of diagnosing lung-related diseases. The very short T2 components of lung tissue, one of the main problems of lung imaging, can be visualized using ultrashort echo times (UTE). Furthermore, UTE sequences allow the determination of conductivity of the imaged tissue. This study shows the principle feasibility of UTE to image lung conductivity, examining healthy volunteers. Obtained conductivity was lower for inspiration breath hold than expiration breath hold, which is the expected behaviour due to corresponding fraction of air (with nearly zero conductivity) inside lungs during inspiration and expiration.

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