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MR Findings of Eosinophilic Meningoencephalitis Attributed to Angiostrongylus cantonensis

Jaturat KanpittayaGo,a, Suthipun Jitpimolmarda, Somsak Tiamkaoa and Eimorn Mairianga

a From the Departments of Radiology (J.K., E.M.) and Medicine (S.J., S.T.), Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.



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  		FIG 1. A, 32-year-old man. Sagittal T2-weighted MR image (3500/80/3) reveals areas of fuzzy hyperintense signal in the left frontoparietal region and centrum semiovale.

B and C, MR spectrum (B) reveals decreased choline (choline/creatine ratio, 0.70) in the left centrum semiovale (voxel indicated by box in C).



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  		FIG 2. A and B, 45-year-old man. Sagittal T1-weighted (600/9/2) (A) and T2-weighted (5000/135/3) (B) MR images show a long track with a cavity in the left putamen (low signal in A and high signal in B).

C, Sagittal T2-weighted image (5000/135/3) shows abnormally high signal in periventricular, linear, and fuzzy nodular lesions.



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  		FIG 3. 64-year-old man. Coronal gradient-echo MR image (640/25/2) shows linear hypointense subcortical lesions, which might represent hemorrhagic tracks



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  		FIG 4. A and B, 32-year-old man. Sagittal T2-weighted MR images (4000/98/2) reveal nodular and linear high-signal lesions in periventricular white matter in parietooccipital lobe and corpus callosum.

C, Axial contrast-enhanced T1-weighted image (500/9/2) shows multiple enhancing subcortical lesions and right periventricular lesions.





Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X