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AJNR - American Journal of Neuroradiology

Published ahead of print on February 13, 2008
doi: 10.3174/ajnr.A0951

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Age-Dependent Normal Values of T2* and T2' in Brain Parenchyma

S. Siemonsen^a, J. Finsterbusch^b, J. Matschke^c, A. Lorenzen^a, X.-Q. Ding^d and J. Fiehler^a

^a Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
^b Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
^c Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
^d Institute of Diagnostic and Interventional Neuroradiology, Medical University Hannover, Germany

View larger version (63K): [in this window] [in a new window]   Fig 1. Definition of 6 ROIs on T2-weighted images chosen in different brain regions: frontal WM (frontalWM), occipitoparietal WM (opWM), subcortical WM (sWM), caudate nucleus (caudGM), thalamus (thalGM), and lentiform nucleus (lentGM).

View larger version (14K): [in this window] [in a new window]   Fig 2. Age distribution of the healthy subjects.

View larger version (22K): [in this window] [in a new window]   Fig 3. T2' values measured in acute stroke lesion (stroke) compared with normal reference values in healthy subjects (normal).