Although hyperviscosity syndrome may lead to cerebral hypoxia and produce some degree of dementia, this condition is rarely recognized. We report a patient in whom moderate dementia was the only manifestation of a hyperviscosity syndrome due to an IgG-κ myeloma. Dementia dramatically improved following plasmapheresis.

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http://dx.doi.org/10.3233/BEN-1993-6309DOI Listing

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