Rheumatoid disease with encephalopathy

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Abstract
A 63‐year‐old woman developed progressive rheumatoid disease complicated by a confusional state as well as persistent cerebrospinal fluid pleocytosis and hypoglycorrhachia. Neuropathological examination revealed extensive rheumatoid lesions in the cranial dura, falx, and choroid plexus. The choroid plexus has not been affected in any of the 16 previously reported cases of pathologically verified rheumatoid disease of the central nervous system. The findings in this patient support the observations of other regarding the role of the choroid plexus in development of CNS manifestations in systemic immune complex disease.