Encephalopathy in scleromyxedema

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Abstract
Article abstract The authors monitored CSF findings for over 5 months in a patient with a fatal case of scleromyxedema and two episodes of encephalopathy. During both encephalopathy episodes, CSF protein and immunoglobulin G (IgG) levels were elevated without an increased IgG index or IgG synthesis rate. A CSF-dominant increase in the concentration of interleukin-6 (IL-6) also was noted during encephalopathy. These findings suggest a disruption of the blood–brain barrier and that IL-6 may play some role in mediating the encephalopathy.