Midline sagittal SS-FSE T2-weighted image demonstrates the normal appearance of the corpus callosum in a 26-gestational-week-old fetus (arrow). Midline.

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Midline sagittal SS-FSE T2-weighted image demonstrates the normal appearance of the corpus callosum in a 26-gestational-week-old fetus (arrow). Midline sagittal SS-FSE T2-weighted image demonstrates the normal appearance of the corpus callosum in a 26-gestational-week-old fetus (arrow). Obtaining a nonoblique midline sagittal image is critical for evaluating the corpus callosum. Note the uniform thickness of the corpus callosum. O.A. Glenn, and J. Barkovich AJNR Am J Neuroradiol 2006;27:1807-1814 ©2006 by American Society of Neuroradiology