Abstract #0662
Lung nodule imaging using high-performance 0.55T MRI
Björn Wieslander1, Ahsan Javed2, Rajiv Ramasawmy2, Ashkan A Malayeri3, Scott Baute2, Kendall J O'Brien2, Christine Mancini2, Amanda Potersnak2, Cheryl Warga4, Joel Moss1, Marcus Y Chen2, and Adrienne E Campbell-Washburn2
1Pulmonary Branch, Division of Intramural Research, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, United States, 2Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States, 3Radiology and Imaging Sciences, Clinical Center, National Institutes of Health, Bethesda, MD, United States, 4National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
Synopsis
Lung imaging plays an important role in routine screening for lung nodules and lung cancer. Magnetic resonance imaging (MRI) has recently emerged as an alternative to computed tomography (CT) to image lung nodules. Lower field MRI offers high image quality, due to improved field homogeneity, and lower cost. We imaged 11 patients who had a total of 29 nodules visible on clinically motivated CT scans. T2-weighted images showed good agreement with CT in terms of nodule size and diameters and malignant nodules were more often visible on diffusion weighted images (b = 800).
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