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Published on: August 14, 2019
Prenatal MR diffusion-weighted imaging in a fetus with hemimegalencephaly
Ronit Agid1, Sivan Lieberman, Michael Nadjari
1Division of Neuroradiology, Department of Radiology, Hadassah University Hospital, Kiryat Hadassah, Ein-Karem, P.O. Box 12000, Jerusalem, Israel. ronitagid@hotmail.com
Abstract:
We report a case of hemimegalencephaly diagnosed by prenatal MRI with an emphasis on its appearance on diffusion-weighted images. This case shows that in this condition the enlarged hemisphere may show restricted diffusion on prenatal MRI. In our opinion, this finding may result from a combination of increased cellularity and advanced myelination in the affected hemisphere. Restricted diffusion is an additional valuable indicator in the analysis of the fetal brain.
