American Journal of Neuroradiology, Vol 14, Issue 1 26-28, Copyright © 1993 by American Society of Neuroradiology
ARTICLES |
Vasculitis presenting as primary leptomeningeal enhancement with minimal parenchymal findings
C Negishi and G Sze
Department of Diagnostic Radiology, School of Medicine, Yale University, New Haven, CT 06510.
In this case of biopsy-proved granulomatous angiitis, MR showed prominent leptomeningeal enhancement with comparatively little parenchymal involvement. Pathologically, granulomatous angiitis chiefly affects small vessels, with a predilection for those in the leptomeninges. Although marked leptomeningeal enhancement is not the most common finding, vasculitis should be added to the differential diagnosis of this MR appearance.
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