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AJNR - American Journal of Neuroradiology

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A Preliminary Report of Brain Edema in Patients with Uremia at First Hemodialysis: Evaluation by Diffusion-Weighted MR Imaging

C.L. Chen^a, P.H. Lai^b, K.J. Chou^a,c, P.T. Lee^a,c,d, H.M. Chung^a,c and H.C. Fang^a,C

^a Division of Nephrology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
^b Department of Radiology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
^c Department of Medicine, National Yang-Ming University School of Medicine, Taipei, Taiwan
^d Institute of Clinical Medicine, National Cheng Kung University School of Medicine, Tainan, Taiwan

View larger version (69K): [in this window] [in a new window]   Fig 1. ROIs used in the normal-appearing gray and white matter and leukoaraiosis analysis are superimposed on the axial ADC maps. A, Normal-appearing gray and white matter regions: left and right frontal and occipital lobes. B, Hyperintensities of the cerebral white matter. The ROIs are indicated by a circle.

View larger version (25K): [in this window] [in a new window]   Fig 2. ADC (10–3 mm2/s) of white matter (A) and gray matter (B) in healthy controls and patients with end stage renal disease before and after hemodialysis. The data are expressed as mean ± SD, which are also presented in bars. Asterisk indicates P < .005 compared with that of healthy controls; double asterisks, P < .05 compared with values before hemodialysis.