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Acute and Chronic Brain Infarcts on MR Imaging in a 20-Year-Old Woman with Acute Posterior Multifocal Placoid Pigment Epitheliopathy

A.N. Bugnonea, F. Hartkerb, M. Shapirob, H.S. Pinelessc and G. Velez

a From the University of Miami School of Medicine, Aventura, Fla
b Neuroskeletal Imaging Institutes Winter Park, Fla
c NeuroCare Institute of Central Florida, Winter Park, Fla



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  		Fig 1. A, Axial diffusion-weighted image (b = 1000) demonstrates increased signal intensity in the head of the right caudate nucleus (arrow).

B, Axial apparent diffusion coefficient map demonstrates decreased apparent diffusion in the head of the right caudate nucleus (arrow).

C, Axial contrast-enhanced 3D fast-spoiled gradient (FSPGR) T1-weighted image (flip angle/TR/TE, 13/5/1.2) after intravenous gadolinium demonstrates normal signal intensity and no enhancement in the head of the right caudate nucleus (arrow).

D, Axial FLAIR image (TR/TE/TI, 8200/123/2000) demonstrates mild increased signal intensity in the head of the right caudate nucleus (arrow).

E, Sagittal contrast-enhanced 3D-FSPGR T1-weighted image (FL/TR/TE, 13/5/1.2) after intravenous gadolinium demonstrates a nonenhancing lesion isointense to CSF in the body of the corpus callosum (arrowhead).

F, Coronal fast spin-echo T2-weighted (TR/TE, 4000/103) image demonstrates the corpus callosum lesion with signal intensity isointense to CSF (arrowhead).

G, Axial diffusion-weighted (b = 1000) image at the level of the lesion in the corpus callosum demonstrates no restricted diffusion (arrowhead).

H, Axial FLAIR image (TR/TE/TI, 8200/123/2000) at the level of the centrum semiovale demonstrates multiple small foci of high signal intensity in the white matter.





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