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Abstract #4133

High resolution retinal blood flow MRI using a new acquisition strategy for MRI of curved objects

Eric R. Muir1
1Radiology, Stony Brook University, Stony Brook, NY, United States


The retina has highly structured laminar organization, with two separate blood supplies, the retinal and the choroidal blood flow layers. Retinal MRI has generally used a single thick 2D slice. Extension to 3D retinal MRI is difficult due to the curvature of the eye and limited SNR at the needed high resolution. A new acquisition strategy for MRI of curved objects was developed, in which high-resolution is acquired perpendicular to the retina but with low-resolution tangent to the retina. This approach gave significant gains in SNR and provided laminar resolution of the retinal and choroidal blood flow in 3D.

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