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Abstract

Central nervous involvement in Sjogren's syndrome (CNS-SS) is not uncommon and has a variety of manifestations. We describe a 47-year-old woman with Sjogren's syndrome who presented with distal renal tubular acidosis with severe hypokalemia and hypokalemic myopathy. She developed progressive obtundation after years of stable disease. ANA, anti-Ro antibodies were positive. Brain MRI showed a cleft in the mid pons which was hypointense on T1 and hyperintense on T2 which was considered to be classical of central pontine myelinolysis. Serial MRI showed initial enlargement of the lesion which persisted despite successful immunosuppressive therapy with pulse methyprednisolone, pulse cyclophosphamide, plasmapharesis and IVIG.

Keywords

central pontine myelinolysis Sjogren's syndrome

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Central pontine myelinolysis a rare manifestation of CNS Sjogren's syndrome

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