Keywords: Multiple Sclerosis, Neuroinflammation, White Matter
Motivation: Ultra-high contrast (UHC) divided subtracted inversion recovery (dSIR) sequences were used in multiple sclerosis patients during relapse and remission in a proof of principle study.
Goal(s): To compare dSIR imaging with conventional imaging in the brain and spinal cord.
Approach: Directly acquired and synthetic 2D and 3D narrow and wide middle Domain dSIR images were compared with positionally matched conventional images.
Results: Well defined focal lesions were seen with dSIR sequences where no change was seen with conventional sequences. Widespread abnormalities affecting almost all of the white matter were seen during relapse with no abnormality on conventional sequences.
Impact: Ultra-high contrast (UHC) divided subtracted inversion recovery (dSIR) sequences were used in patients with multiple sclerosis during relapse and in remission. Well defined focal lesions and very widespread abnormalities in white matter were shown when conventional imaging appeared normal.
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