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Abstract #0427

Structural and functional lung imaging using a high performance 0.55T MRI system

Ipshita Bhattacharya1, Rajiv Ramasawmy1, Joel Moss1, Marcus Y Chen1, Waqas Majeed2, Thomas Benkert3, Robert S Balaban1, and Adrienne Campbell-Washburn1
1National Institutes of Health, Bethesda, MD, United States, 2Siemens Medical Solutions, Malvern, PA, United States, 3Siemens Healthcare GmbH, Erlangen, Germany

Lung imaging using conventional MRI has several limitations for clinical use. A contemporary low-field MRI (0.55T) system offers several advantages for structural and functional imaging of lung owing to low magnetic susceptibility and increased oxygen relaxivity. In this abstract we present an improved structural imaging method and functional imaging method for patients with lymphangioleiomyomatosis (LAM) at low-field. Anatomical imaging offers improved delineation of cystic structures in the lung parenchyma. Oxygen-enhanced lung MRI is used to measure ventilation and regional texture in healthy volunteers and this patient group with abnormal pulmonary function.

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