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Title of Journal: Eur Radiol

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Abbravation: European Radiology

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Springer-Verlag

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10.1016/j.bbamem.2011.08.012

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1432-1084

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Usefulness of highbvalue diffusionweighted imag

Authors: Keiko Toyoda Satomi Kitai Masahiro Ida Sadao Suga Yutaka Aoyagi Kunihiko Fukuda
Publish Date: 2006/09/13
Volume: 17, Issue: 5, Pages: 1212-1220
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Abstract

The aim of our study was to investigate the usefulness of highbvalue diffusionweighted DW MR imaging in patients with acute cerebral infarction DW images at bvalues of 1000 2000 and 3000 s/mm2 were performed for 32 patients 48 h after the onset of stroke using a 15 T clinical imager The area of restricted diffusion became more distinct and extensive with increasing bvalue in 19 of 32 patients especially in patients with the atherothrombotictype cerebral infarction The visualized extent of infarction was almost the same among the area of restricted diffusion on the b=3000 ADC map b=3000 DWI and final infarction in 12 of 15 patients Highbvalue DWI provided better identification of lesion extension in the cerebral ischemia It is suggested that the size of the final infarction or irreversible cytotoxic edema is more predictable on highbvalue DWIs than on the usual b=1000 DWI

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