• Kazunari Ishii, Tetsuro Kawaguchi, Kenichi Shimada, Shingo Ohkawa, Naokazu Miyamoto, Tomonori Kanda, Takafumi Uemura, Toshiki Yoshikawa, and Etsuro Mori.
• Department of Radiology and Nuclear Medicine, Hyogo Brain and Heart Center, Himeji, Japan. kishii@hbhc.jp
• Dement Geriatr Cogn Disord. 2008 Jan 1;25(4):329-35.

AimsTo investigate regional morphologic changes in idiopathic normal pressure hydrocephalus (INPH) based on diagnosis with INPH Guidelines using voxel-based morphometry.MethodThree-dimensional magnetic resonance imaging was performed in 34 INPH patients, who met probable INPH criteria, probable 34 Alzheimer disease patients, and 34 normal control subjects.ResultsStatistical parametric mapping was used to conduct voxel-based morphometry analysis of the morphologic data and revealed enlarged ventricles and sylvian fissures and stenotic sulci of high convexity, especially in the precuneus in the INPH group, with decreased gray matter density in the insula, caudate and thalamus.ConclusionIn INPH, morphologic change occurs in the frontoparietal high convexity with ventricular dilatations, dilated sylvian fissures and tight sulci in the medial parietal lobes.(c) 2008 S. Karger AG, Basel.

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