© 1994 British Society for Rheumatology
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LIVER INVOLVEMENT IN PRIMARY SJÖGREN'S SYNDROME
*Department of Internal Medicine, Medical School, University of Ioannuna Athens, Greece
Department of Pathology, Red Cross Hospital of Athens Athens, Greece
Department of Pathophysiology, Medical School, National University Athens, Greece
Three hundred patients with primary Sjögren's syndrome (pSS) were investigated for liver involvement using clinical, biochemical, immunological and histological data.
Seven percent of patients showed evidence of liver disease either subclinical (2%) or asymptomatic (5%) with elevated liver enzymes In 6.6 % of patients antimitochondrial antibodies (AMA) were detected by immunofluorescence and 27% of pSS patients showed antibodies to pyruvate dehydrogenase (a-PDH) using ELISA. AMA-positive patients were further investigated with transcutaneous liver biopsy. Ninety-two per cent of patients with AMA showed liver involvement with features of chronic cholangitis similar to stage I primary biliary cirrhosis It is concluded that liver involvement in pSS patients is rare and subclinical with histological features predominantly of stage I primary biliary cirrhosis AMA is the most sensitive indicator of underlying liver pathology in pSS patients
KEY WORDS: Sjögren's syndrome, Antimitochondrial antibodies, Primary biliary cirrhosis
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