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We studied eight patients who had primary Sjogren syndrome and central nervous system (CNS) disorders that were not attributable to other causes. Focal cerebral deficits were observed in five patients. Aseptic meningoencephalitis was seen in five patients, recurrent in one. Spinal cord manifestations in three patients took several forms: acute transverse myelitis, chronic progressive myelopathy, and spinal subarachnoid hemorrhage. Precipitating antibodies to the Ro(SSA) cytoplasmic antigen were detected in the sera of seven of eight patients. This may be relevant to the pathogenesis of CNS disease in Sjogren syndrome, because there is a strong correlation between vasculitis and the presence of anti-Ro(SSA) antibodies in this connective tissue disorder.

The clinical features and CSF characteristics of five patients with primary Sjögren's syndrome (SS) and associated aseptic meningoencephalitis (AME) are described. Episodes of AME were recurrent in four patients. Viral, fungal, and bacterial cultures were uniformly negative. Plasma cells were observed in the CSF but not in the blood of three patients. The CSF IgG:albumin index was elevated, suggesting intrathecal synthesis of IgG in each of the four patients tested; each patient had either one or two broad bands with the mobility of IgG on CSF agarose electrophoresis. These observations are consistent with current understanding of SS as a polyclonal gammopathy associated with the multifocal proliferation of B lymphocytes and plasma cells.

Carbamazepine in daily doses of 600 to 1200 mg controlled hemi facial spasm in three patients. In other reports, carbamazepine was effective in over half of the patients. Controlled trials are needed to established whether Carbamazepine is as effective as the surgical therapies currently in vogue.