Calprotectin levels are elevated in inflammation and cancer but are not helpful in differentiating between these disorders. In our series, calprotectin was not elevated in colonic polyps or adenomata. Calprotectin could be helpful as a screening method in a general gastroenterology population for inflammatory bowel disease and those with carcinoma, as well as assessing and monitoring disease activity in inflammatory bowel disease.

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Primary malignant lymphoma of the bowel is a rare complication of inflammatory bowel disease. The association of gastrointestinal lymphoma, inflammatory bowel disease and prior immunosuppression remains unclear. We report the first case of azathioprine-treated ulcerative colitis developing rectal lymphoma.

The distribution of radioactivity after the oral administration of sucralfate labelled with technetium-99m was studied in 33