American Journal of Neuroradiology, Vol 14, Issue 3 540-542, Copyright © 1993 by American Society of Neuroradiology
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Carcinomatous encephalitis (miliary metastases): lack of contrast enhancement
W Nemzek, V Poirier, MS Salamat and T Yu
Department of Radiology, University of California Davis Medical Center, Sacramento 95817.
Carcinomatous encephalitis is a rare form of brain metastasis in which there is diffuse miliary spread of punctate tumor nodules in a perivascular distribution. In this case, these tiny tumor nodules were seen throughout the cortical and basal gangliar gray matter only on T2- weighted images. Contrast-enhanced CT and T1-weighted MR images did not demonstrate these tumor nodules.
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