Rheumatologic manifestations of gastrointestinal disorders.

Rheumatologic features are among the most common extraintestinal manifestations of gastrointestinal disorders. They are an important cause of morbidity and continue to generate interest among researchers. Over the past year, reports have focused attention on inflammatory bowel disease and coeliac disease. Among the hepatic disorders, cryoglobulinemia, Sjögren's syndrome, and other immunological disorders have been reported in association with hepatitis C virus infections. Rheumatologic manifestations are well-documented in association with pancreatic disorders. There are also a number of interesting and unusual case reports that are reviewed.