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Reversible leukoencephalopathy associated with cerebral amyloid angiopathy
1Neuroimmunology Branch, National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA.
Abstract:
The authors describe three patients with reversible leukoencephalopathy associated with cerebral amyloid angiopathy (CAA). Rapid progression of neurologic symptoms was followed by dramatic clinical and radiographic improvement. Pathologically, CAA was associated with varying degrees of inflammation ranging from none to transmural granulomatous infiltration. In the appropriate clinical context, the MRI finding of lobar white matter edema with evidence of prior hemosiderin deposition may indicate the presence of a reversible CAA leukoencephalopathy.
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