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Abstract #4237

Fat to Water Ratio and T2 Value Variations Measured in Lumbar, Thoracic, and Cervical Spinal Bone Marrow at 3 T

Quinn M. Barber 1 and Atiyah Yahya 1,2

1 Department of Oncology, University of Alberta, Edmonton, Alberta, Canada, 2 Department of Medical Physics, Cross Cancer Institute, Edmonton, Alberta, Canada

Fat to water levels and their transverse relaxation (T2) times measured with magnetic resonance in spinal bone marrow have been relevant to the study of a number of diseases. Previous measurements characterizing fat to water ratios and T2 values have been limited to the lumbar region of the spine. In this work, fat to water ratios and fat and water T2 values are determined for the L3 and T7 vertebrae of 20 healthy volunteers; measurements were also obtained from the C4 vertebra in 19 of the volunteers. Measurements were performed with a Point RESolved Spectroscopy (PRESS) sequence at 3 T.

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