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Abstract #4700

Quantitative assessment of the substantia nigra, red and subthalamic nuclei in Parkinsons disease using susceptibility weighted imaging

Jason Langley 1 , Jan Sedlacik 2 , Xiaoping Hu 1 , Jens Fiehler 2 , and Kai Boelmans 3

1 Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States, 2 Department of Neuroradiology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany, 3 Department of Psychiatry, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany

The substantia nigra, subthalamic nucleus, and red nucleus are important structures in the study of Parkinsons disease and all three structures contain high concentrations of iron. A hallmark of Parkinsons disease is the increased deposition of iron in the substantia nigra and red nucleus as well as the loss of dopaminergic neurons in the substantia nigra. This study compares volumetric estimates of the substantia nigra, subthalamic nucleus, and red nucleus. Statistically significant volumetric difference between parkinsons disease and control groups in the red nucleus and the phase difference between the two groups in the substantia nigra are reported.

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