RT Journal Article SR Electronic T1 Brain Apparent Diffusion Coefficient Decrease During Correction of Severe Hypernatremic Dehydration JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1690 OP 1694 VO 26 IS 7 A1 Righini, Andrea A1 Ramenghi, Luca A1 Zirpoli, Salvatore A1 Mosca, Fabio A1 Triulzi, Fabio YR 2005 UL http://www.ajnr.org/content/26/7/1690.abstract AB Summary: We report on the brain diffusion MR imaging findings in a neonate with severe hypernatremic dehydration, which resulted in cerebral edema (osmotic edema) and in apparent diffusion coefficient decrease, despite a careful and slow rehydration. This report provides in vivo insight into nervous cell response to osmotic challenge.