• J Neuroimaging · Jul 2000

    Case Reports

    Midbrain ptosis caused by periaqueductal infarct following cardiac catheterization: early detection with diffusion-weighted imaging.

    • M Mihaescu, J Brillman, and W Rothfus.
    • Department of Neurology, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212, USA.
    • J Neuroimaging. 2000 Jul 1; 10 (3): 187-9.

    AbstractIsolated infarcts in the periaqueductal region are rare but have been reported after cardiac catheterization. The authors report a case of dorsal midbrain infarct which caused bilateral ptosis, partial upgaze paresis, and internuclear ophthalmoplegia imaged within eight hours with diffusion-weighted imaging (DWI). The lesion was later confirmed on T2-weighted images. Diffusion-weighted imaging can rapidly confirm the diagnosis of this rare brain-stem infarct.

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