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Assessment of Low-field MR DWI and FLAIR in the diagnosis of acute cerebral infarction

Zhao Xiu-ping

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Abstract

Objective: To determine the value of low-field magnetic resonance fluid-attenuated inversion-recovery(FLAIR) technique and diffusion-weighted imaging(DWI)technique in the diagnosis of acute cerebral infarction.Methods: Eighty-two patients with cerebral infarction,including 40cases in acute stage,29 cases in subacute stage,13cases in chronic stage,underwent routine MR examination through T1WI,T2WI,FLAIR,DWI scan to detect the scope of lesions,border and contrast.Results: Of the detection of the scope of lesions,FLAIR and DWI were better than routine T1WI,T2WI,especially the DWI.Conclusion: FLAIR and DWI techniques are better than T2WI in the diagnosis of acute cerebral infarction;DWI technique has higher sensitivity in the diagnosis of acute cerebral infarction,and may undergo quantitative evaluation of acute cerebral infarction.

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What this paper is about

Objective: To determine the value of low-field magnetic resonance fluid-attenuated inversion-recovery(FLAIR) technique and diffusion-weighted imaging(DWI)technique in the diagnosis of acute cerebral infarction.Methods: Eighty-two patients with cerebral infarction,including 40cases in acute stage,29 cases in subacute stage,13cases in chronic stage,underwent routine MR examination through T1WI,T2WI,FLAIR,DWI scan to detect the scope of lesions,border and contrast.Results: Of the detection of the scope of lesions,FLAIR and DWI were better than routine T1WI,T2WI,especially the DWI.Conclusion: FLAIR and DWI techniques are better than T2WI in the diagnosis of acute cerebral infarction;DWI technique has higher sensitivity in the diagnosis of acute cerebral infarction,and may undergo quantitative evaluation of acute cerebral infarction.

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Available abstract

Objective: To determine the value of low-field magnetic resonance fluid-attenuated inversion-recovery(FLAIR) technique and diffusion-weighted imaging(DWI)technique in the diagnosis of acute cerebral infarction.Methods: Eighty-two patients with cerebral infarction,including 40cases in acute stage,29 cases in subacute stage,13cases in chronic stage,underwent routine MR examination through T1WI,T2WI,FLAIR,DWI scan to detect the scope of lesions,border and contrast.Results: Of the detection of the scope of lesions,FLAIR and DWI were better than routine T1WI,T2WI,especially the DWI.Conclusion: FLAIR and DWI techniques are better than T2WI in the diagnosis of acute cerebral infarction;DWI technique has higher sensitivity in the diagnosis of acute cerebral infarction,and may undergo quantitative evaluation of acute cerebral infarction.

Key concepts: Fluid-attenuated inversion recovery, Medicine, Radiology, Magnetic resonance imaging, Cerebral infarction, Diffusion MRI, Infarction, Stage (stratigraphy)

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